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    <section id='main' class="content source"><pre class="line-numbers"><span id="1">   1</span>
<span id="2">   2</span>
<span id="3">   3</span>
<span id="4">   4</span>
<span id="5">   5</span>
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<span id="1938">1938</span>
<span id="1939">1939</span>
<span id="1940">1940</span>
<span id="1941">1941</span>
<span id="1942">1942</span>
<span id="1943">1943</span>
<span id="1944">1944</span>
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<span id="1950">1950</span>
</pre><pre class='rust '>
<span class='attribute'>#<span class='op'>!</span>[<span class='ident'>allow</span>(<span class='ident'>non_camel_case_types</span>)]</span>

<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>borrow</span>::{ <span class='ident'>Cow</span>, <span class='ident'>IntoCow</span>, <span class='ident'>Borrow</span>, <span class='ident'>ToOwned</span> };
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>borrow</span>::<span class='ident'>Cow</span>::<span class='op'>*</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>iter</span>::<span class='ident'>Extend</span>;

<span class='kw'>use</span> <span class='ident'>message</span>::{ <span class='ident'>Message</span>, <span class='ident'>MsgType</span> };

<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span> <span class='op'>=</span> <span class='ident'>Cow</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span>, <span class='ident'>str</span><span class='op'>&gt;</span>;

<span class='comment'>// If you hoped it couldn&#39;t get any uglier... I&#39;m sorry, it does.</span>
<span class='comment'>// Why a giant match? API.</span>
<span class='comment'>//</span>
<span class='comment'>// I tried structuring it as a bunch of structs that impl a `Command` trait,</span>
<span class='comment'>// but the user would have to use Any and lots of cats. Also, extensibility isn&#39;t</span>
<span class='comment'>// really a goal; the IRC protocol doesn&#39;t seem to evolve very fast.</span>
<span class='comment'>//</span>
<span class='comment'>// Granted, I *could* have used a phf-map to map to functions to parse this, which</span>
<span class='comment'>// - while more readable - shouldn&#39;t have resulted in performance gains.</span>
<span class='comment'>//</span>
<span class='comment'>// Please don&#39;t cry.</span>

<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Debug</span>, <span class='ident'>Hash</span>, <span class='ident'>Clone</span>, <span class='ident'>PartialEq</span>, <span class='ident'>Eq</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>enum</span> <span class='ident'>Command</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span> {
    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.1.1 Password message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: PASS</span>
    <span class='doccomment'>/// Parameters: &lt;password&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The PASS command is used to set a &#39;connection password&#39;.  The</span>
    <span class='doccomment'>/// optional password can and MUST be set before any attempt to register</span>
    <span class='doccomment'>/// the connection is made.  Currently this requires that user send a</span>
    <span class='doccomment'>/// PASS command before sending the NICK/USER combination.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS              ERR_ALREADYREGISTRED</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PASS secretpasswordhere</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>PASS</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.1.2 Nick message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: NICK</span>
    <span class='doccomment'>/// Parameters: &lt;nickname&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// NICK command is used to give user a nickname or change the existing</span>
    <span class='doccomment'>/// one.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NONICKNAMEGIVEN             ERR_ERRONEUSNICKNAME</span>
    <span class='doccomment'>///    ERR_NICKNAMEINUSE               ERR_NICKCOLLISION</span>
    <span class='doccomment'>///    ERR_UNAVAILRESOURCE             ERR_RESTRICTED</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    NICK Wiz                ; Introducing new nick &quot;Wiz&quot; if session is</span>
    <span class='doccomment'>///                            still unregistered, or user changing his</span>
    <span class='doccomment'>///                            nickname to &quot;Wiz&quot;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :WiZ!jto@tolsun.oulu.fi NICK Kilroy</span>
    <span class='doccomment'>///                            ; Server telling that WiZ changed his</span>
    <span class='doccomment'>///                            nickname to Kilroy.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>NICK</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.1.3 User message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: USER</span>
    <span class='doccomment'>/// Parameters: &lt;user&gt; &lt;mode&gt; &lt;unused&gt; &lt;realname&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The USER command is used at the beginning of connection to specify</span>
    <span class='doccomment'>/// the username, hostname and realname of a new user.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The &lt;mode&gt; parameter should be a numeric, and can be used to</span>
    <span class='doccomment'>/// automatically set user modes when registering with the server.  This</span>
    <span class='doccomment'>/// parameter is a bitmask, with only 2 bits having any signification: if</span>
    <span class='doccomment'>/// the bit 2 is set, the user mode &#39;w&#39; will be set and if the bit 3 is</span>
    <span class='doccomment'>/// set, the user mode &#39;i&#39; will be set.  (See Section 3.1.5 &quot;User</span>
    <span class='doccomment'>/// Modes&quot;).</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The &lt;realname&gt; may contain space characters.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS              ERR_ALREADYREGISTRED</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    USER guest 0 * :Ronnie Reagan   ; User registering themselves with a</span>
    <span class='doccomment'>///                                    username of &quot;guest&quot; and real name</span>
    <span class='doccomment'>///                                    &quot;Ronnie Reagan&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    USER guest 8 * :Ronnie Reagan   ; User registering themselves with a</span>
    <span class='doccomment'>///                                    username of &quot;guest&quot; and real name</span>
    <span class='doccomment'>///                                    &quot;Ronnie Reagan&quot;, and asking to be set</span>
    <span class='doccomment'>///                                    invisible.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>USER</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.1.4 Oper message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: OPER</span>
    <span class='doccomment'>/// Parameters: &lt;name&gt; &lt;password&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// A normal user uses the OPER command to obtain operator privileges.</span>
    <span class='doccomment'>/// The combination of &lt;name&gt; and &lt;password&gt; are REQUIRED to gain</span>
    <span class='doccomment'>/// Operator privileges.  Upon success, the user will receive a MODE</span>
    <span class='doccomment'>/// message (see section 3.1.5) indicating the new user modes.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS              RPL_YOUREOPER</span>
    <span class='doccomment'>///    ERR_NOOPERHOST                  ERR_PASSWDMISMATCH</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    OPER foo bar                    ; Attempt to register as an operator</span>
    <span class='doccomment'>///                                    using a username of &quot;foo&quot; and &quot;bar&quot;</span>
    <span class='doccomment'>///                                    as the password.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>OPER</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.1.5 User mode message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: MODE</span>
    <span class='doccomment'>/// Parameters: &lt;nickname&gt;</span>
    <span class='doccomment'>///             *( ( &quot;+&quot; / &quot;-&quot; ) *( &quot;i&quot; / &quot;w&quot; / &quot;o&quot; / &quot;O&quot; / &quot;r&quot; ) )</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The user MODE&#39;s are typically changes which affect either how the</span>
    <span class='doccomment'>/// client is seen by others or what &#39;extra&#39; messages the client is sent.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// A user MODE command MUST only be accepted if both the sender of the</span>
    <span class='doccomment'>/// message and the nickname given as a parameter are both the same.  If</span>
    <span class='doccomment'>/// no other parameter is given, then the server will return the current</span>
    <span class='doccomment'>/// settings for the nick.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The available modes are as follows:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    a - user is flagged as away;</span>
    <span class='doccomment'>///    i - marks a users as invisible;</span>
    <span class='doccomment'>///    w - user receives wallops;</span>
    <span class='doccomment'>///    r - restricted user connection;</span>
    <span class='doccomment'>///    o - operator flag;</span>
    <span class='doccomment'>///    O - local operator flag;</span>
    <span class='doccomment'>///    s - marks a user for receipt of server notices.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Additional modes may be available later on.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The flag &#39;a&#39; SHALL NOT be toggled by the user using the MODE command,</span>
    <span class='doccomment'>/// instead use of the AWAY command is REQUIRED.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If a user attempts to make themselves an operator using the &quot;+o&quot; or</span>
    <span class='doccomment'>/// &quot;+O&quot; flag, the attempt SHOULD be ignored as users could bypass the</span>
    <span class='doccomment'>/// authentication mechanisms of the OPER command.  There is no</span>
    <span class='doccomment'>/// restriction, however, on anyone `deopping&#39; themselves (using &quot;-o&quot; or</span>
    <span class='doccomment'>/// &quot;-O&quot;).</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// On the other hand, if a user attempts to make themselves unrestricted</span>
    <span class='doccomment'>/// using the &quot;-r&quot; flag, the attempt SHOULD be ignored.  There is no</span>
    <span class='doccomment'>/// restriction, however, on anyone `deopping&#39; themselves (using &quot;+r&quot;).</span>
    <span class='doccomment'>/// This flag is typically set by the server upon connection for</span>
    <span class='doccomment'>/// administrative reasons.  While the restrictions imposed are left up</span>
    <span class='doccomment'>/// to the implementation, it is typical that a restricted user not be</span>
    <span class='doccomment'>/// allowed to change nicknames, nor make use of the channel operator</span>
    <span class='doccomment'>/// status on channels.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The flag &#39;s&#39; is obsolete but MAY still be used.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS              ERR_USERSDONTMATCH</span>
    <span class='doccomment'>///    ERR_UMODEUNKNOWNFLAG            RPL_UMODEIS</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE WiZ -w                     ; Command by WiZ to turn off</span>
    <span class='doccomment'>///                                    reception of WALLOPS messages.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE Angel +i                   ; Command from Angel to make herself</span>
    <span class='doccomment'>///                                    invisible.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE WiZ -o                     ; WiZ &#39;deopping&#39; (removing operator</span>
    <span class='doccomment'>///                                    status).</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>UMODE</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.1.6 Service message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: SERVICE</span>
    <span class='doccomment'>/// Parameters: &lt;nickname&gt; &lt;reserved&gt; &lt;distribution&gt; &lt;type&gt;</span>
    <span class='doccomment'>///             &lt;reserved&gt; &lt;info&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The SERVICE command to register a new service.  Command parameters</span>
    <span class='doccomment'>/// specify the service nickname, distribution, type and info of a new</span>
    <span class='doccomment'>/// service.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The &lt;distribution&gt; parameter is used to specify the visibility of a</span>
    <span class='doccomment'>/// service.  The service may only be known to servers which have a name</span>
    <span class='doccomment'>/// matching the distribution.  For a matching server to have knowledge</span>
    <span class='doccomment'>/// of the service, the network path between that server and the server</span>
    <span class='doccomment'>/// on which the service is connected MUST be composed of servers which</span>
    <span class='doccomment'>/// names all match the mask.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The &lt;type&gt; parameter is currently reserved for future usage.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_ALREADYREGISTRED            ERR_NEEDMOREPARAMS</span>
    <span class='doccomment'>///    ERR_ERRONEUSNICKNAME</span>
    <span class='doccomment'>///    RPL_YOURESERVICE                RPL_YOURHOST</span>
    <span class='doccomment'>///    RPL_MYINFO</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    SERVICE dict * *.fr 0 0 :French Dictionary ; Service registering</span>
    <span class='doccomment'>///                                    itself with a name of &quot;dict&quot;.  This</span>
    <span class='doccomment'>///                                    service will only be available on</span>
    <span class='doccomment'>///                                    servers which name matches &quot;*.fr&quot;.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>SERVICE</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.1.7 Quit</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: QUIT</span>
    <span class='doccomment'>/// Parameters: [ &lt;Quit Message&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// A client session is terminated with a quit message.  The server</span>
    <span class='doccomment'>/// acknowledges this by sending an ERROR message to the client.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    None.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    QUIT :Gone to have lunch        ; Preferred message format.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :syrk!kalt@millennium.stealth.net QUIT :Gone to have lunch ; User</span>
    <span class='doccomment'>///                                    syrk has quit IRC to have lunch.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>QUIT</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.1.8 Squit</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: SQUIT</span>
    <span class='doccomment'>/// Parameters: &lt;server&gt; &lt;comment&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The SQUIT command is available only to operators.  It is used to</span>
    <span class='doccomment'>/// disconnect server links.  Also servers can generate SQUIT messages on</span>
    <span class='doccomment'>/// error conditions.  A SQUIT message may also target a remote server</span>
    <span class='doccomment'>/// connection.  In this case, the SQUIT message will simply be sent to</span>
    <span class='doccomment'>/// the remote server without affecting the servers in between the</span>
    <span class='doccomment'>/// operator and the remote server.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The &lt;comment&gt; SHOULD be supplied by all operators who execute a SQUIT</span>
    <span class='doccomment'>/// for a remote server.  The server ordered to disconnect its peer</span>
    <span class='doccomment'>/// generates a WALLOPS message with &lt;comment&gt; included, so that other</span>
    <span class='doccomment'>/// users may be aware of the reason of this action.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOPRIVILEGES                ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    SQUIT tolsun.oulu.fi :Bad Link ?  ; Command to uplink of the server</span>
    <span class='doccomment'>///                                    tolson.oulu.fi to terminate its</span>
    <span class='doccomment'>///                                    connection with comment &quot;Bad Link&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :Trillian SQUIT cm22.eng.umd.edu :Server out of control ; Command</span>
    <span class='doccomment'>///                                    from Trillian from to disconnect</span>
    <span class='doccomment'>///                                    &quot;cm22.eng.umd.edu&quot; from the net with</span>
    <span class='doccomment'>///                                    comment &quot;Server out of control&quot;.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>SQUIT</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.2.1 Join message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: JOIN</span>
    <span class='doccomment'>/// Parameters: ( &lt;channel&gt; *( &quot;,&quot; &lt;channel&gt; ) [ &lt;key&gt; *( &quot;,&quot; &lt;key&gt; ) ] )</span>
    <span class='doccomment'>///             / &quot;0&quot;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The JOIN command is used by a user to request to start listening to</span>
    <span class='doccomment'>/// the specific channel.  Servers MUST be able to parse arguments in the</span>
    <span class='doccomment'>/// form of a list of target, but SHOULD NOT use lists when sending JOIN</span>
    <span class='doccomment'>/// messages to clients.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Once a user has joined a channel, he receives information about</span>
    <span class='doccomment'>/// all commands his server receives affecting the channel.  This</span>
    <span class='doccomment'>/// includes JOIN, MODE, KICK, PART, QUIT and of course PRIVMSG/NOTICE.</span>
    <span class='doccomment'>/// This allows channel members to keep track of the other channel</span>
    <span class='doccomment'>/// members, as well as channel modes.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If a JOIN is successful, the user receives a JOIN message as</span>
    <span class='doccomment'>/// confirmation and is then sent the channel&#39;s topic (using RPL_TOPIC) and</span>
    <span class='doccomment'>/// the list of users who are on the channel (using RPL_NAMREPLY), which</span>
    <span class='doccomment'>/// MUST include the user joining.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Note that this message accepts a special argument (&quot;0&quot;), which is</span>
    <span class='doccomment'>/// a special request to leave all channels the user is currently a member</span>
    <span class='doccomment'>/// of.  The server will process this message as if the user had sent</span>
    <span class='doccomment'>/// a PART command (See Section 3.2.2) for each channel he is a member</span>
    <span class='doccomment'>/// of.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS              ERR_BANNEDFROMCHAN</span>
    <span class='doccomment'>///    ERR_INVITEONLYCHAN              ERR_BADCHANNELKEY</span>
    <span class='doccomment'>///    ERR_CHANNELISFULL               ERR_BADCHANMASK</span>
    <span class='doccomment'>///    ERR_NOSUCHCHANNEL               ERR_TOOMANYCHANNELS</span>
    <span class='doccomment'>///    ERR_TOOMANYTARGETS              ERR_UNAVAILRESOURCE</span>
    <span class='doccomment'>///    RPL_TOPIC</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    JOIN #foobar                    ; Command to join channel #foobar.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    JOIN &amp;foo fubar                 ; Command to join channel &amp;foo using</span>
    <span class='doccomment'>///                                    key &quot;fubar&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    JOIN #foo,&amp;bar fubar            ; Command to join channel #foo using</span>
    <span class='doccomment'>///                                    key &quot;fubar&quot; and &amp;bar using no key.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    JOIN #foo,#bar fubar,foobar     ; Command to join channel #foo using</span>
    <span class='doccomment'>///                                    key &quot;fubar&quot;, and channel #bar using</span>
    <span class='doccomment'>///                                    key &quot;foobar&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    JOIN #foo,#bar                  ; Command to join channels #foo and</span>
    <span class='doccomment'>///                                    #bar.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    JOIN 0                          ; Leave all currently joined</span>
    <span class='doccomment'>///                                    channels.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :WiZ!jto@tolsun.oulu.fi JOIN #Twilight_zone ; JOIN message from WiZ</span>
    <span class='doccomment'>///                                    on channel #Twilight_zone</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>JOIN</span>(<span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>, <span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.2.2 Part message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: PART</span>
    <span class='doccomment'>/// Parameters: &lt;channel&gt; *( &quot;,&quot; &lt;channel&gt; ) [ &lt;Part Message&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The PART command causes the user sending the message to be removed</span>
    <span class='doccomment'>/// from the list of active members for all given channels listed in the</span>
    <span class='doccomment'>/// parameter string.  If a &quot;Part Message&quot; is given, this will be sent</span>
    <span class='doccomment'>/// instead of the default message, the nickname.  This request is always</span>
    <span class='doccomment'>/// granted by the server.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Servers MUST be able to parse arguments in the form of a list of</span>
    <span class='doccomment'>/// target, but SHOULD NOT use lists when sending PART messages to</span>
    <span class='doccomment'>/// clients.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS              ERR_NOSUCHCHANNEL</span>
    <span class='doccomment'>///    ERR_NOTONCHANNEL</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PART #twilight_zone             ; Command to leave channel</span>
    <span class='doccomment'>///                                    &quot;#twilight_zone&quot;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PART #oz-ops,&amp;group5            ; Command to leave both channels</span>
    <span class='doccomment'>///                                    &quot;&amp;group5&quot; and &quot;#oz-ops&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :WiZ!jto@tolsun.oulu.fi PART #playzone :I lost</span>
    <span class='doccomment'>///                                    ; User WiZ leaving channel</span>
    <span class='doccomment'>///                                    &quot;#playzone&quot; with the message &quot;I</span>
    <span class='doccomment'>///                                    lost&quot;.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>PART</span>(<span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.2.3 Channel mode message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: MODE</span>
    <span class='doccomment'>/// Parameters: &lt;channel&gt; *( ( &quot;-&quot; / &quot;+&quot; ) *&lt;modes&gt; *&lt;modeparams&gt; )</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The MODE command is provided so that users may query and change the</span>
    <span class='doccomment'>/// characteristics of a channel.  For more details on available modes</span>
    <span class='doccomment'>/// and their uses, see &quot;Internet Relay Chat: Channel Management&quot; [IRC-</span>
    <span class='doccomment'>/// CHAN].  Note that there is a maximum limit of three (3) changes per</span>
    <span class='doccomment'>/// command for modes that take a parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS              ERR_KEYSET</span>
    <span class='doccomment'>///    ERR_NOCHANMODES                 ERR_CHANOPRIVSNEEDED</span>
    <span class='doccomment'>///    ERR_USERNOTINCHANNEL            ERR_UNKNOWNMODE</span>
    <span class='doccomment'>///    RPL_CHANNELMODEIS</span>
    <span class='doccomment'>///    RPL_BANLIST                     RPL_ENDOFBANLIST</span>
    <span class='doccomment'>///    RPL_EXCEPTLIST                  RPL_ENDOFEXCEPTLIST</span>
    <span class='doccomment'>///    RPL_INVITELIST                  RPL_ENDOFINVITELIST</span>
    <span class='doccomment'>///    RPL_UNIQOPIS</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The following examples are given to help understanding the syntax of</span>
    <span class='doccomment'>/// the MODE command, but refer to modes defined in &quot;Internet Relay Chat:</span>
    <span class='doccomment'>/// Channel Management&quot; [IRC-CHAN].</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE #Finnish +imI *!*@*.fi     ; Command to make #Finnish channel</span>
    <span class='doccomment'>///                                    moderated and &#39;invite-only&#39; with user</span>
    <span class='doccomment'>///                                    with a hostname matching *.fi</span>
    <span class='doccomment'>///                                    automatically invited.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE #Finnish +o Kilroy         ; Command to give &#39;chanop&#39; privileges</span>
    <span class='doccomment'>///                                    to Kilroy on channel #Finnish.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE #Finnish +v Wiz            ; Command to allow WiZ to speak on</span>
    <span class='doccomment'>///                                    #Finnish.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE #Fins -s                   ; Command to remove &#39;secret&#39; flag</span>
    <span class='doccomment'>///                                    from channel #Fins.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE #42 +k oulu                ; Command to set the channel key to</span>
    <span class='doccomment'>///                                    &quot;oulu&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE #42 -k oulu                ; Command to remove the &quot;oulu&quot;</span>
    <span class='doccomment'>///                                    channel key on channel &quot;#42&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE #eu-opers +l 10            ; Command to set the limit for the</span>
    <span class='doccomment'>///                                    number of users on channel</span>
    <span class='doccomment'>///                                    &quot;#eu-opers&quot; to 10.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :WiZ!jto@tolsun.oulu.fi MODE #eu-opers -l</span>
    <span class='doccomment'>///                                    ; User &quot;WiZ&quot; removing the limit for</span>
    <span class='doccomment'>///                                    the number of users on channel &quot;#eu-</span>
    <span class='doccomment'>///                                    opers&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE &amp;oulu +b                   ; Command to list ban masks set for</span>
    <span class='doccomment'>///                                    the channel &quot;&amp;oulu&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE &amp;oulu +b *!*@*             ; Command to prevent all users from</span>
    <span class='doccomment'>///                                    joining.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE &amp;oulu +b *!*@*.edu +e *!*@*.bu.edu</span>
    <span class='doccomment'>///                                    ; Command to prevent any user from a</span>
    <span class='doccomment'>///                                    hostname matching *.edu from joining,</span>
    <span class='doccomment'>///                                    except if matching *.bu.edu</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE #bu +be *!*@*.edu *!*@*.bu.edu</span>
    <span class='doccomment'>///                                    ; Comment to prevent any user from a</span>
    <span class='doccomment'>///                                    hostname matching *.edu from joining,</span>
    <span class='doccomment'>///                                    except if matching *.bu.edu</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE #meditation e              ; Command to list exception masks set</span>
    <span class='doccomment'>///                                    for the channel &quot;#meditation&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE #meditation I              ; Command to list invitations masks</span>
    <span class='doccomment'>///                                    set for the channel &quot;#meditation&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    MODE !12345ircd O               ; Command to ask who the channel</span>
    <span class='doccomment'>///                                    creator for &quot;!12345ircd&quot; is</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>MODE</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>Vec</span><span class='op'>&lt;</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>)<span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text```</span>
    <span class='doccomment'>/// 3.2.4 Topic message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: TOPIC</span>
    <span class='doccomment'>/// Parameters: &lt;channel&gt; [ &lt;topic&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The TOPIC command is used to change or view the topic of a channel.</span>
    <span class='doccomment'>/// The topic for channel &lt;channel&gt; is returned if there is no &lt;topic&gt;</span>
    <span class='doccomment'>/// given.  If the &lt;topic&gt; parameter is present, the topic for that</span>
    <span class='doccomment'>/// channel will be changed, if this action is allowed for the user</span>
    <span class='doccomment'>/// requesting it.  If the &lt;topic&gt; parameter is an empty string, the</span>
    <span class='doccomment'>/// topic for that channel will be removed.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS              ERR_NOTONCHANNEL</span>
    <span class='doccomment'>///    RPL_NOTOPIC                     RPL_TOPIC</span>
    <span class='doccomment'>///    ERR_CHANOPRIVSNEEDED            ERR_NOCHANMODES</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :WiZ!jto@tolsun.oulu.fi TOPIC #test :New topic ; User Wiz setting the</span>
    <span class='doccomment'>///                                    topic.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    TOPIC #test :another topic      ; Command to set the topic on #test</span>
    <span class='doccomment'>///                                    to &quot;another topic&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    TOPIC #test :                   ; Command to clear the topic on</span>
    <span class='doccomment'>///                                    #test.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    TOPIC #test                     ; Command to check the topic for</span>
    <span class='doccomment'>///                                    #test.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>TOPIC</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.2.5 Names message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: NAMES</span>
    <span class='doccomment'>/// Parameters: [ &lt;channel&gt; *( &quot;,&quot; &lt;channel&gt; ) [ &lt;target&gt; ] ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// By using the NAMES command, a user can list all nicknames that are</span>
    <span class='doccomment'>/// visible to him. For more details on what is visible and what is not,</span>
    <span class='doccomment'>/// see &quot;Internet Relay Chat: Channel Management&quot; [IRC-CHAN].  The</span>
    <span class='doccomment'>/// &lt;channel&gt; parameter specifies which channel(s) to return information</span>
    <span class='doccomment'>/// about.  There is no error reply for bad channel names.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If no &lt;channel&gt; parameter is given, a list of all channels and their</span>
    <span class='doccomment'>/// occupants is returned.  At the end of this list, a list of users who</span>
    <span class='doccomment'>/// are visible but either not on any channel or not on a visible channel</span>
    <span class='doccomment'>/// are listed as being on `channel&#39; &quot;*&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If the &lt;target&gt; parameter is specified, the request is forwarded to</span>
    <span class='doccomment'>/// that server which will generate the reply.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numerics:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_TOOMANYMATCHES              ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///    RPL_NAMREPLY                    RPL_ENDOFNAMES</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    NAMES #twilight_zone,#42        ; Command to list visible users on</span>
    <span class='doccomment'>///                                    #twilight_zone and #42</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    NAMES                           ; Command to list all visible</span>
    <span class='doccomment'>///                                    channels and users</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>NAMES</span>(<span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.2.6 List message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: LIST</span>
    <span class='doccomment'>/// Parameters: [ &lt;channel&gt; *( &quot;,&quot; &lt;channel&gt; ) [ &lt;target&gt; ] ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The list command is used to list channels and their topics.  If the</span>
    <span class='doccomment'>/// &lt;channel&gt; parameter is used, only the status of that channel is</span>
    <span class='doccomment'>/// displayed.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If the &lt;target&gt; parameter is specified, the request is forwarded to</span>
    <span class='doccomment'>/// that server which will generate the reply.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_TOOMANYMATCHES              ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///    RPL_LIST                        RPL_LISTEND</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    LIST                            ; Command to list all channels.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    LIST #twilight_zone,#42         ; Command to list channels</span>
    <span class='doccomment'>///                                    #twilight_zone and #42</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>LIST</span>(<span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.2.7 Invite message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: INVITE</span>
    <span class='doccomment'>/// Parameters: &lt;nickname&gt; &lt;channel&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The INVITE command is used to invite a user to a channel.  The</span>
    <span class='doccomment'>/// parameter &lt;nickname&gt; is the nickname of the person to be invited to</span>
    <span class='doccomment'>/// the target channel &lt;channel&gt;.  There is no requirement that the</span>
    <span class='doccomment'>/// channel the target user is being invited to must exist or be a valid</span>
    <span class='doccomment'>/// channel.  However, if the channel exists, only members of the channel</span>
    <span class='doccomment'>/// are allowed to invite other users.  When the channel has invite-only</span>
    <span class='doccomment'>/// flag set, only channel operators may issue INVITE command.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Only the user inviting and the user being invited will receive</span>
    <span class='doccomment'>/// notification of the invitation.  Other channel members are not</span>
    <span class='doccomment'>/// notified.  (This is unlike the MODE changes, and is occasionally the</span>
    <span class='doccomment'>/// source of trouble for users.)</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS              ERR_NOSUCHNICK</span>
    <span class='doccomment'>///    ERR_NOTONCHANNEL                ERR_USERONCHANNEL</span>
    <span class='doccomment'>///    ERR_CHANOPRIVSNEEDED</span>
    <span class='doccomment'>///    RPL_INVITING                    RPL_AWAY</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :Angel!wings@irc.org INVITE Wiz #Dust</span>
    <span class='doccomment'>///                                    ; Message to WiZ when he has been</span>
    <span class='doccomment'>///                                    invited by user Angel to channel</span>
    <span class='doccomment'>///                                    #Dust</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    INVITE Wiz #Twilight_Zone       ; Command to invite WiZ to</span>
    <span class='doccomment'>///                                    #Twilight_zone</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>INVITE</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.2.8 Kick command</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: KICK</span>
    <span class='doccomment'>/// Parameters: &lt;channel&gt; *( &quot;,&quot; &lt;channel&gt; ) &lt;user&gt; *( &quot;,&quot; &lt;user&gt; )</span>
    <span class='doccomment'>///             [&lt;comment&gt;]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The KICK command can be used to request the forced removal of a user</span>
    <span class='doccomment'>/// from a channel.  It causes the &lt;user&gt; to PART from the &lt;channel&gt; by</span>
    <span class='doccomment'>/// force.  For the message to be syntactically correct, there MUST be</span>
    <span class='doccomment'>/// either one channel parameter and multiple user parameter, or as many</span>
    <span class='doccomment'>/// channel parameters as there are user parameters.  If a &quot;comment&quot; is</span>
    <span class='doccomment'>/// given, this will be sent instead of the default message, the nickname</span>
    <span class='doccomment'>/// of the user issuing the KICK.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The server MUST NOT send KICK messages with multiple channels or</span>
    <span class='doccomment'>/// users to clients.  This is necessarily to maintain backward</span>
    <span class='doccomment'>/// compatibility with old client software.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS              ERR_NOSUCHCHANNEL</span>
    <span class='doccomment'>///    ERR_BADCHANMASK                 ERR_CHANOPRIVSNEEDED</span>
    <span class='doccomment'>///    ERR_USERNOTINCHANNEL            ERR_NOTONCHANNEL</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    KICK &amp;Melbourne Matthew         ; Command to kick Matthew from</span>
    <span class='doccomment'>///                                    &amp;Melbourne</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    KICK #Finnish John :Speaking English</span>
    <span class='doccomment'>///                                    ; Command to kick John from #Finnish</span>
    <span class='doccomment'>///                                    using &quot;Speaking English&quot; as the</span>
    <span class='doccomment'>///                                    reason (comment).</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :WiZ!jto@tolsun.oulu.fi KICK #Finnish John</span>
    <span class='doccomment'>///                                    ; KICK message on channel #Finnish</span>
    <span class='doccomment'>///                                    from WiZ to remove John from channel</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>KICK</span>(<span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>, <span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.3.1 Private messages</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: PRIVMSG</span>
    <span class='doccomment'>/// Parameters: &lt;msgtarget&gt; &lt;text to be sent&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// PRIVMSG is used to send private messages between users, as well as to</span>
    <span class='doccomment'>/// send messages to channels.  &lt;msgtarget&gt; is usually the nickname of</span>
    <span class='doccomment'>/// the recipient of the message, or a channel name.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The &lt;msgtarget&gt; parameter may also be a host mask (#&lt;mask&gt;) or server</span>
    <span class='doccomment'>/// mask ($&lt;mask&gt;).  In both cases the server will only send the PRIVMSG</span>
    <span class='doccomment'>/// to those who have a server or host matching the mask.  The mask MUST</span>
    <span class='doccomment'>/// have at least 1 (one) &quot;.&quot; in it and no wildcards following the last</span>
    <span class='doccomment'>/// &quot;.&quot;.  This requirement exists to prevent people sending messages to</span>
    <span class='doccomment'>/// &quot;#*&quot; or &quot;$*&quot;, which would broadcast to all users.  Wildcards are the</span>
    <span class='doccomment'>/// &#39;*&#39; and &#39;?&#39;  characters.  This extension to the PRIVMSG command is</span>
    <span class='doccomment'>/// only available to operators.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NORECIPIENT                 ERR_NOTEXTTOSEND</span>
    <span class='doccomment'>///    ERR_CANNOTSENDTOCHAN            ERR_NOTOPLEVEL</span>
    <span class='doccomment'>///    ERR_WILDTOPLEVEL                ERR_TOOMANYTARGETS</span>
    <span class='doccomment'>///    ERR_NOSUCHNICK</span>
    <span class='doccomment'>///    RPL_AWAY</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :Angel!wings@irc.org PRIVMSG Wiz :Are you receiving this message ?</span>
    <span class='doccomment'>///                                    ; Message from Angel to Wiz.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PRIVMSG Angel :yes I&#39;m receiving it !</span>
    <span class='doccomment'>///                                    ; Command to send a message to Angel.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PRIVMSG jto@tolsun.oulu.fi :Hello !</span>
    <span class='doccomment'>///                                    ; Command to send a message to a user</span>
    <span class='doccomment'>///                                    on server tolsun.oulu.fi with</span>
    <span class='doccomment'>///                                    username of &quot;jto&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PRIVMSG kalt%millennium.stealth.net@irc.stealth.net :Are you a frog?</span>
    <span class='doccomment'>///                                    ; Message to a user on server</span>
    <span class='doccomment'>///                                    irc.stealth.net with username of</span>
    <span class='doccomment'>///                                    &quot;kalt&quot;, and connected from the host</span>
    <span class='doccomment'>///                                    millennium.stealth.net.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PRIVMSG kalt%millennium.stealth.net :Do you like cheese?</span>
    <span class='doccomment'>///                                    ; Message to a user on the local</span>
    <span class='doccomment'>///                                    server with username of &quot;kalt&quot;, and</span>
    <span class='doccomment'>///                                    connected from the host</span>
    <span class='doccomment'>///                                    millennium.stealth.net.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PRIVMSG Wiz!jto@tolsun.oulu.fi :Hello !</span>
    <span class='doccomment'>///                                    ; Message to the user with nickname</span>
    <span class='doccomment'>///                                    Wiz who is connected from the host</span>
    <span class='doccomment'>///                                    tolsun.oulu.fi and has the username</span>
    <span class='doccomment'>///                                    &quot;jto&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PRIVMSG $*.fi :Server tolsun.oulu.fi rebooting.</span>
    <span class='doccomment'>///                                    ; Message to everyone on a server</span>
    <span class='doccomment'>///                                    which has a name matching *.fi.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PRIVMSG #*.edu :NSFNet is undergoing work, expect interruptions</span>
    <span class='doccomment'>///                                    ; Message to all users who come from</span>
    <span class='doccomment'>///                                    a host which has a name matching</span>
    <span class='doccomment'>///                                    *.edu.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>PRIVMSG</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.3.2 Notice</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: NOTICE</span>
    <span class='doccomment'>/// Parameters: &lt;msgtarget&gt; &lt;text&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The NOTICE command is used similarly to PRIVMSG.  The difference</span>
    <span class='doccomment'>/// between NOTICE and PRIVMSG is that automatic replies MUST NEVER be</span>
    <span class='doccomment'>/// sent in response to a NOTICE message.  This rule applies to servers</span>
    <span class='doccomment'>/// too - they MUST NOT send any error reply back to the client on</span>
    <span class='doccomment'>/// receipt of a notice.  The object of this rule is to avoid loops</span>
    <span class='doccomment'>/// between clients automatically sending something in response to</span>
    <span class='doccomment'>/// something it received.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// This command is available to services as well as users.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// This is typically used by services, and automatons (clients with</span>
    <span class='doccomment'>/// either an AI or other interactive program controlling their actions).</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// See PRIVMSG for more details on replies and examples.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>NOTICE</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.4.1 Motd message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: MOTD</span>
    <span class='doccomment'>/// Parameters: [ &lt;target&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The MOTD command is used to get the &quot;Message Of The Day&quot; of the given</span>
    <span class='doccomment'>/// server, or current server if &lt;target&gt; is omitted.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///    RPL_MOTDSTART                   RPL_MOTD</span>
    <span class='doccomment'>///    RPL_ENDOFMOTD                   ERR_NOMOTD</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>MOTD</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.4.2 Lusers message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: LUSERS</span>
    <span class='doccomment'>/// Parameters: [ &lt;mask&gt; [ &lt;target&gt; ] ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The LUSERS command is used to get statistics about the size of the</span>
    <span class='doccomment'>/// IRC network.  If no parameter is given, the reply will be about the</span>
    <span class='doccomment'>/// whole net.  If a &lt;mask&gt; is specified, then the reply will only</span>
    <span class='doccomment'>/// concern the part of the network formed by the servers matching the</span>
    <span class='doccomment'>/// mask.  Finally, if the &lt;target&gt; parameter is specified, the request</span>
    <span class='doccomment'>/// is forwarded to that server which will generate the reply.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    RPL_LUSERCLIENT                 RPL_LUSEROP</span>
    <span class='doccomment'>///    RPL_LUSERUNKOWN                 RPL_LUSERCHANNELS</span>
    <span class='doccomment'>///    RPL_LUSERME                     ERR_NOSUCHSERVER</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>LUSERS</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>)<span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.4.3 Version message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: VERSION</span>
    <span class='doccomment'>/// Parameters: [ &lt;target&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The VERSION command is used to query the version of the server</span>
    <span class='doccomment'>/// program.  An optional parameter &lt;target&gt; is used to query the version</span>
    <span class='doccomment'>/// of the server program which a client is not directly connected to.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER                RPL_VERSION</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    VERSION tolsun.oulu.fi          ; Command to check the version of</span>
    <span class='doccomment'>///                                    server &quot;tolsun.oulu.fi&quot;.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>VERSION</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.4.4 Stats message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: STATS</span>
    <span class='doccomment'>/// Parameters: [ &lt;query&gt; [ &lt;target&gt; ] ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The stats command is used to query statistics of certain server.  If</span>
    <span class='doccomment'>/// &lt;query&gt; parameter is omitted, only the end of stats reply is sent</span>
    <span class='doccomment'>/// back.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// A query may be given for any single letter which is only checked by</span>
    <span class='doccomment'>/// the destination server and is otherwise passed on by intermediate</span>
    <span class='doccomment'>/// servers, ignored and unaltered.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Except for the ones below, the list of valid queries is</span>
    <span class='doccomment'>/// implementation dependent.  The standard queries below SHOULD be</span>
    <span class='doccomment'>/// supported by the server:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    l - returns a list of the server&#39;s connections, showing how</span>
    <span class='doccomment'>///        long each connection has been established and the</span>
    <span class='doccomment'>///        traffic over that connection in Kbytes and messages for</span>
    <span class='doccomment'>///        each direction;</span>
    <span class='doccomment'>///    m - returns the usage count for each of commands supported</span>
    <span class='doccomment'>///        by the server; commands for which the usage count is</span>
    <span class='doccomment'>///        zero MAY be omitted;</span>
    <span class='doccomment'>///    o - returns a list of configured privileged users,</span>
    <span class='doccomment'>///        operators;</span>
    <span class='doccomment'>///    u - returns a string showing how long the server has been</span>
    <span class='doccomment'>///        up.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// It is also RECOMMENDED that client and server access configuration be</span>
    <span class='doccomment'>/// published this way.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///    RPL_STATSLINKINFO                RPL_STATSUPTIME</span>
    <span class='doccomment'>///    RPL_STATSCOMMANDS                RPL_STATSOLINE</span>
    <span class='doccomment'>///    RPL_ENDOFSTATS</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    STATS m      ; Command to check the command usage</span>
    <span class='doccomment'>///                   for the server you are connected to</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>STATS</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>)<span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.4.5 Links message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: LINKS</span>
    <span class='doccomment'>/// Parameters: [ [ &lt;remote server&gt; ] &lt;server mask&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// With LINKS, a user can list all servernames, which are known by the</span>
    <span class='doccomment'>/// server answering the query.  The returned list of servers MUST match</span>
    <span class='doccomment'>/// the mask, or if no mask is given, the full list is returned.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If &lt;remote server&gt; is given in addition to &lt;server mask&gt;, the LINKS</span>
    <span class='doccomment'>/// command is forwarded to the first server found that matches that name</span>
    <span class='doccomment'>/// (if any), and that server is then required to answer the query.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///    RPL_LINKS                        RPL_ENDOFLINKS</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    LINKS *.au                      ; Command to list all servers which</span>
    <span class='doccomment'>///                                    have a name that matches *.au;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    LINKS *.edu *.bu.edu            ; Command to list servers matching</span>
    <span class='doccomment'>///                                    *.bu.edu as seen by the first server</span>
    <span class='doccomment'>///                                    matching *.edu.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>LINKS</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>)<span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.4.6 Time message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: TIME</span>
    <span class='doccomment'>/// Parameters: [ &lt;target&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The time command is used to query local time from the specified</span>
    <span class='doccomment'>/// server. If the &lt;target&gt; parameter is not given, the server receiving</span>
    <span class='doccomment'>/// the command must reply to the query.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER              RPL_TIME</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///    TIME tolsun.oulu.fi             ; check the time on the server</span>
    <span class='doccomment'>///                                    &quot;tolson.oulu.fi&quot;</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>TIME</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.4.7 Connect message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: CONNECT</span>
    <span class='doccomment'>/// Parameters: &lt;target server&gt; &lt;port&gt; [ &lt;remote server&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The CONNECT command can be used to request a server to try to</span>
    <span class='doccomment'>/// establish a new connection to another server immediately.  CONNECT is</span>
    <span class='doccomment'>/// a privileged command and SHOULD be available only to IRC Operators.</span>
    <span class='doccomment'>/// If a &lt;remote server&gt; is given and its mask doesn&#39;t match name of the</span>
    <span class='doccomment'>/// parsing server, the CONNECT attempt is sent to the first match of</span>
    <span class='doccomment'>/// remote server. Otherwise the CONNECT attempt is made by the server</span>
    <span class='doccomment'>/// processing the request.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The server receiving a remote CONNECT command SHOULD generate a</span>
    <span class='doccomment'>/// WALLOPS message describing the source and target of the request.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER              ERR_NOPRIVILEGES</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    CONNECT tolsun.oulu.fi 6667     ; Command to attempt to connect local</span>
    <span class='doccomment'>///                                    server to tolsun.oulu.fi on port 6667</span>
    <span class='doccomment'>///</span>
    <span class='ident'>CONNECT</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>i16</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.4.8 Trace message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: TRACE</span>
    <span class='doccomment'>/// Parameters: [ &lt;target&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// TRACE command is used to find the route to specific server and</span>
    <span class='doccomment'>/// information about its peers.  Each server that processes this command</span>
    <span class='doccomment'>/// MUST report to the sender about it.  The replies from pass-through</span>
    <span class='doccomment'>/// links form a chain, which shows route to destination.  After sending</span>
    <span class='doccomment'>/// this reply back, the query MUST be sent to the next server until</span>
    <span class='doccomment'>/// given &lt;target&gt; server is reached.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// TRACE command is used to find the route to specific server.  Each</span>
    <span class='doccomment'>/// server that processes this message MUST tell the sender about it by</span>
    <span class='doccomment'>/// sending a reply indicating it is a pass-through link, forming a chain</span>
    <span class='doccomment'>/// of replies.  After sending this reply back, it MUST then send the</span>
    <span class='doccomment'>/// TRACE message to the next server until given server is reached.  If</span>
    <span class='doccomment'>/// the &lt;target&gt; parameter is omitted, it is RECOMMENDED that TRACE</span>
    <span class='doccomment'>/// command sends a message to the sender telling which servers the local</span>
    <span class='doccomment'>/// server has direct connection to.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If the destination given by &lt;target&gt; is an actual server, the</span>
    <span class='doccomment'>/// destination server is REQUIRED to report all servers, services and</span>
    <span class='doccomment'>/// operators which are connected to it; if the command was issued by an</span>
    <span class='doccomment'>/// operator, the server MAY also report all users which are connected to</span>
    <span class='doccomment'>/// it.  If the destination given by &lt;target&gt; is a nickname, then only a</span>
    <span class='doccomment'>/// reply for that nickname is given.  If the &lt;target&gt; parameter is</span>
    <span class='doccomment'>/// omitted, it is RECOMMENDED that the TRACE command is parsed as</span>
    <span class='doccomment'>/// targeted to the processing server.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If the TRACE message is destined for another server, all</span>
    <span class='doccomment'>/// intermediate servers must return a RPL_TRACELINK reply to indicate</span>
    <span class='doccomment'>/// that the TRACE passed through it and where it is going next.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    RPL_TRACELINK</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// A TRACE reply may be composed of any number of the following</span>
    <span class='doccomment'>/// numeric replies.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    RPL_TRACECONNECTING           RPL_TRACEHANDSHAKE</span>
    <span class='doccomment'>///    RPL_TRACEUNKNOWN              RPL_TRACEOPERATOR</span>
    <span class='doccomment'>///    RPL_TRACEUSER                 RPL_TRACESERVER</span>
    <span class='doccomment'>///    RPL_TRACESERVICE              RPL_TRACENEWTYPE</span>
    <span class='doccomment'>///    RPL_TRACECLASS                RPL_TRACELOG</span>
    <span class='doccomment'>///    RPL_TRACEEND</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    TRACE *.oulu.fi                 ; TRACE to a server matching</span>
    <span class='doccomment'>///                                    *.oulu.fi</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>TRACE</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.4.9 Admin command</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: ADMIN</span>
    <span class='doccomment'>/// Parameters: [ &lt;target&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The admin command is used to find information about the administrator</span>
    <span class='doccomment'>/// of the given server, or current server if &lt;target&gt; parameter is</span>
    <span class='doccomment'>/// omitted.  Each server MUST have the ability to forward ADMIN messages</span>
    <span class='doccomment'>/// to other servers.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///    RPL_ADMINME                   RPL_ADMINLOC1</span>
    <span class='doccomment'>///    RPL_ADMINLOC2                 RPL_ADMINEMAIL</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ADMIN tolsun.oulu.fi            ; request an ADMIN reply from</span>
    <span class='doccomment'>///                                    tolsun.oulu.fi</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ADMIN syrk                      ; ADMIN request for the server to</span>
    <span class='doccomment'>///                                    which the user syrk is connected</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>ADMIN</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.4.10 Info command</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: INFO</span>
    <span class='doccomment'>/// Parameters: [ &lt;target&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The INFO command is REQUIRED to return information describing the</span>
    <span class='doccomment'>/// server: its version, when it was compiled, the patchlevel, when it</span>
    <span class='doccomment'>/// was started, and any other miscellaneous information which may be</span>
    <span class='doccomment'>/// considered to be relevant.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///    RPL_INFO                      RPL_ENDOFINFO</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    INFO csd.bu.edu                 ; request an INFO reply from</span>
    <span class='doccomment'>///                                    csd.bu.edu</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    INFO Angel                      ; request info from the server that</span>
    <span class='doccomment'>///                                    Angel is connected to.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>INFO</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.5.1 Servlist message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: SERVLIST</span>
    <span class='doccomment'>/// Parameters: [ &lt;mask&gt; [ &lt;type&gt; ] ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The SERVLIST command is used to list services currently connected to</span>
    <span class='doccomment'>/// the network and visible to the user issuing the command.  The</span>
    <span class='doccomment'>/// optional parameters may be used to restrict the result of the query</span>
    <span class='doccomment'>/// (to matching services names, and services type).</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    RPL_SERVLIST                  RPL_SERVLISTEND</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>SERVLIST</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>)<span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.5.2 Squery</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: SQUERY</span>
    <span class='doccomment'>/// Parameters: &lt;servicename&gt; &lt;text&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The SQUERY command is used similarly to PRIVMSG.  The only difference</span>
    <span class='doccomment'>/// is that the recipient MUST be a service.  This is the only way for a</span>
    <span class='doccomment'>/// text message to be delivered to a service.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// See PRIVMSG for more details on replies and example.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    SQUERY irchelp :HELP privmsg</span>
    <span class='doccomment'>///                                    ; Message to the service with</span>
    <span class='doccomment'>///                                    nickname irchelp.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    SQUERY dict@irc.fr :fr2en blaireau</span>
    <span class='doccomment'>///                                    ; Message to the service with name</span>
    <span class='doccomment'>///                                    dict@irc.fr.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>SQUERY</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.6.1 Who query</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: WHO</span>
    <span class='doccomment'>/// Parameters: [ &lt;mask&gt; [ &quot;o&quot; ] ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The WHO command is used by a client to generate a query which returns</span>
    <span class='doccomment'>/// a list of information which &#39;matches&#39; the &lt;mask&gt; parameter given by</span>
    <span class='doccomment'>/// the client.  In the absence of the &lt;mask&gt; parameter, all visible</span>
    <span class='doccomment'>/// (users who aren&#39;t invisible (user mode +i) and who don&#39;t have a</span>
    <span class='doccomment'>/// common channel with the requesting client) are listed.  The same</span>
    <span class='doccomment'>/// result can be achieved by using a &lt;mask&gt; of &quot;0&quot; or any wildcard which</span>
    <span class='doccomment'>/// will end up matching every visible user.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The &lt;mask&gt; passed to WHO is matched against users&#39; host, server, real</span>
    <span class='doccomment'>/// name and nickname if the channel &lt;mask&gt; cannot be found.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If the &quot;o&quot; parameter is passed only operators are returned according</span>
    <span class='doccomment'>/// to the &lt;mask&gt; supplied.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///    RPL_WHOREPLY                  RPL_ENDOFWHO</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    WHO *.fi                        ; Command to list all users who match</span>
    <span class='doccomment'>///                                    against &quot;*.fi&quot;.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    WHO jto* o                      ; Command to list all users with a</span>
    <span class='doccomment'>///                                    match against &quot;jto*&quot; if they are an</span>
    <span class='doccomment'>///                                    operator.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>WHO</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>, <span class='ident'>bool</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.6.2 Whois query</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: WHOIS</span>
    <span class='doccomment'>/// Parameters: [ &lt;target&gt; ] &lt;mask&gt; *( &quot;,&quot; &lt;mask&gt; )</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// This command is used to query information about particular user.</span>
    <span class='doccomment'>/// The server will answer this command with several numeric messages</span>
    <span class='doccomment'>/// indicating different statuses of each user which matches the mask (if</span>
    <span class='doccomment'>/// you are entitled to see them).  If no wildcard is present in the</span>
    <span class='doccomment'>/// &lt;mask&gt;, any information about that nick which you are allowed to see</span>
    <span class='doccomment'>/// is presented.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If the &lt;target&gt; parameter is specified, it sends the query to a</span>
    <span class='doccomment'>/// specific server.  It is useful if you want to know how long the user</span>
    <span class='doccomment'>/// in question has been idle as only local server (i.e., the server the</span>
    <span class='doccomment'>/// user is directly connected to) knows that information, while</span>
    <span class='doccomment'>/// everything else is globally known.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER              ERR_NONICKNAMEGIVEN</span>
    <span class='doccomment'>///    RPL_WHOISUSER                 RPL_WHOISCHANNELS</span>
    <span class='doccomment'>///    RPL_WHOISCHANNELS             RPL_WHOISSERVER</span>
    <span class='doccomment'>///    RPL_AWAY                      RPL_WHOISOPERATOR</span>
    <span class='doccomment'>///    RPL_WHOISIDLE                 ERR_NOSUCHNICK</span>
    <span class='doccomment'>///    RPL_ENDOFWHOIS</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///  Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    WHOIS wiz                       ; return available user information</span>
    <span class='doccomment'>///                                    about nick WiZ</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    WHOIS eff.org trillian          ; ask server eff.org for user</span>
    <span class='doccomment'>///                                    information  about trillian</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>WHOIS</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>, <span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.6.3 Whowas</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: WHOWAS</span>
    <span class='doccomment'>/// Parameters: &lt;nickname&gt; *( &quot;,&quot; &lt;nickname&gt; ) [ &lt;count&gt; [ &lt;target&gt; ] ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Whowas asks for information about a nickname which no longer exists.</span>
    <span class='doccomment'>/// This may either be due to a nickname change or the user leaving IRC.</span>
    <span class='doccomment'>/// In response to this query, the server searches through its nickname</span>
    <span class='doccomment'>/// history, looking for any nicks which are lexically the same (no wild</span>
    <span class='doccomment'>/// card matching here).  The history is searched backward, returning the</span>
    <span class='doccomment'>/// most recent entry first.  If there are multiple entries, up to</span>
    <span class='doccomment'>/// &lt;count&gt; replies will be returned (or all of them if no &lt;count&gt;</span>
    <span class='doccomment'>/// parameter is given).  If a non-positive number is passed as being</span>
    <span class='doccomment'>/// &lt;count&gt;, then a full search is done.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Wildcards are allowed in the &lt;target&gt; parameter.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NONICKNAMEGIVEN           ERR_WASNOSUCHNICK</span>
    <span class='doccomment'>///    RPL_WHOWASUSER                RPL_WHOISSERVER</span>
    <span class='doccomment'>///    RPL_ENDOFWHOWAS</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    WHOWAS Wiz                      ; return all information in the nick</span>
    <span class='doccomment'>///                                    history about nick &quot;WiZ&quot;;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    WHOWAS Mermaid 9                ; return at most, the 9 most recent</span>
    <span class='doccomment'>///                                    entries in the nick history for</span>
    <span class='doccomment'>///                                    &quot;Mermaid&quot;;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    WHOWAS Trillian 1 *.edu         ; return the most recent history for</span>
    <span class='doccomment'>///                                    &quot;Trillian&quot; from the first server</span>
    <span class='doccomment'>///                                    found to match &quot;*.edu&quot;.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>WHOWAS</span>(<span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>)<span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.7.1 Kill message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: KILL</span>
    <span class='doccomment'>/// Parameters: &lt;nickname&gt; &lt;comment&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The KILL command is used to cause a client-server connection to be</span>
    <span class='doccomment'>/// closed by the server which has the actual connection.  Servers</span>
    <span class='doccomment'>/// generate KILL messages on nickname collisions.  It MAY also be</span>
    <span class='doccomment'>/// available available to users who have the operator status.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Clients which have automatic reconnect algorithms effectively make</span>
    <span class='doccomment'>/// this command useless since the disconnection is only brief.  It does</span>
    <span class='doccomment'>/// however break the flow of data and can be used to stop large amounts</span>
    <span class='doccomment'>/// of &#39;flooding&#39; from abusive users or accidents.  Abusive users usually</span>
    <span class='doccomment'>/// don&#39;t care as they will reconnect promptly and resume their abusive</span>
    <span class='doccomment'>/// behaviour.  To prevent this command from being abused, any user may</span>
    <span class='doccomment'>/// elect to receive KILL messages generated for others to keep an &#39;eye&#39;</span>
    <span class='doccomment'>/// on would be trouble spots.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// In an arena where nicknames are REQUIRED to be globally unique at all</span>
    <span class='doccomment'>/// times, KILL messages are sent whenever &#39;duplicates&#39; are detected</span>
    <span class='doccomment'>/// (that is an attempt to register two users with the same nickname) in</span>
    <span class='doccomment'>/// the hope that both of them will disappear and only 1 reappear.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// When a client is removed as the result of a KILL message, the server</span>
    <span class='doccomment'>/// SHOULD add the nickname to the list of unavailable nicknames in an</span>
    <span class='doccomment'>/// attempt to avoid clients to reuse this name immediately which is</span>
    <span class='doccomment'>/// usually the pattern of abusive behaviour often leading to useless</span>
    <span class='doccomment'>/// &quot;KILL loops&quot;.  See the &quot;IRC Server Protocol&quot; document [IRC-SERVER]</span>
    <span class='doccomment'>/// for more information on this procedure.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The comment given MUST reflect the actual reason for the KILL.  For</span>
    <span class='doccomment'>/// server-generated KILLs it usually is made up of details concerning</span>
    <span class='doccomment'>/// the origins of the two conflicting nicknames.  For users it is left</span>
    <span class='doccomment'>/// up to them to provide an adequate reason to satisfy others who see</span>
    <span class='doccomment'>/// it.  To prevent/discourage fake KILLs from being generated to hide</span>
    <span class='doccomment'>/// the identify of the KILLer, the comment also shows a &#39;kill-path&#39;</span>
    <span class='doccomment'>/// which is updated by each server it passes through, each prepending</span>
    <span class='doccomment'>/// its name to the path.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOPRIVILEGES              ERR_NEEDMOREPARAMS</span>
    <span class='doccomment'>///    ERR_NOSUCHNICK                ERR_CANTKILLSERVER</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// NOTE:</span>
    <span class='doccomment'>///    It is RECOMMENDED that only Operators be allowed to kill other users</span>
    <span class='doccomment'>///    with KILL command.  This command has been the subject of many</span>
    <span class='doccomment'>///    controversies over the years, and along with the above</span>
    <span class='doccomment'>///    recommendation, it is also widely recognized that not even operators</span>
    <span class='doccomment'>///    should be allowed to kill users on remote servers.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>KILL</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.7.2 Ping message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: PING</span>
    <span class='doccomment'>/// Parameters: &lt;server1&gt; [ &lt;server2&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The PING command is used to test the presence of an active client or</span>
    <span class='doccomment'>/// server at the other end of the connection.  Servers send a PING</span>
    <span class='doccomment'>/// message at regular intervals if no other activity detected coming</span>
    <span class='doccomment'>/// from a connection.  If a connection fails to respond to a PING</span>
    <span class='doccomment'>/// message within a set amount of time, that connection is closed.  A</span>
    <span class='doccomment'>/// PING message MAY be sent even if the connection is active.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// When a PING message is received, the appropriate PONG message MUST be</span>
    <span class='doccomment'>/// sent as reply to &lt;server1&gt; (server which sent the PING message out)</span>
    <span class='doccomment'>/// as soon as possible.  If the &lt;server2&gt; parameter is specified, it</span>
    <span class='doccomment'>/// represents the target of the ping, and the message gets forwarded</span>
    <span class='doccomment'>/// there.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOORIGIN                  ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PING tolsun.oulu.fi             ; Command to send a PING message to</span>
    <span class='doccomment'>///                                    server</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PING WiZ tolsun.oulu.fi         ; Command from WiZ to send a PING</span>
    <span class='doccomment'>///                                    message to server &quot;tolsun.oulu.fi&quot;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PING :irc.funet.fi              ; Ping message sent by server</span>
    <span class='doccomment'>///                                    &quot;irc.funet.fi&quot;</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>PING</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.7.3 Pong message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: PONG</span>
    <span class='doccomment'>/// Parameters: &lt;server&gt; [ &lt;server2&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// PONG message is a reply to ping message.  If parameter &lt;server2&gt; is</span>
    <span class='doccomment'>/// given, this message MUST be forwarded to given target.  The &lt;server&gt;</span>
    <span class='doccomment'>/// parameter is the name of the entity who has responded to PING message</span>
    <span class='doccomment'>/// and generated this message.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOORIGIN                  ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    PONG csd.bu.edu tolsun.oulu.fi  ; PONG message from csd.bu.edu to</span>
    <span class='doccomment'>///                                    tolsun.oulu.fi</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>PONG</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 3.7.4 Error</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: ERROR</span>
    <span class='doccomment'>/// Parameters: &lt;error message&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The ERROR command is for use by servers when reporting a serious or</span>
    <span class='doccomment'>/// fatal error to its peers.  It may also be sent from one server to</span>
    <span class='doccomment'>/// another but MUST NOT be accepted from any normal unknown clients.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Only an ERROR message SHOULD be used for reporting errors which occur</span>
    <span class='doccomment'>/// with a server-to-server link.  An ERROR message is sent to the server</span>
    <span class='doccomment'>/// at the other end (which reports it to appropriate local users and</span>
    <span class='doccomment'>/// logs) and to appropriate local users and logs.  It is not to be</span>
    <span class='doccomment'>/// passed onto any other servers by a server if it is received from a</span>
    <span class='doccomment'>/// server.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The ERROR message is also used before terminating a client</span>
    <span class='doccomment'>/// connection.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// When a server sends a received ERROR message to its operators, the</span>
    <span class='doccomment'>/// message SHOULD be encapsulated inside a NOTICE message, indicating</span>
    <span class='doccomment'>/// that the client was not responsible for the error.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numerics:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    None.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERROR :Server *.fi already exists ; ERROR message to the other server</span>
    <span class='doccomment'>///                                    which caused this error.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    NOTICE WiZ :ERROR from csd.bu.edu -- Server *.fi already exists</span>
    <span class='doccomment'>///                                    ; Same ERROR message as above but</span>
    <span class='doccomment'>///                                    sent to user WiZ on the other server.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>ERROR</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 4.1 Away</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: AWAY</span>
    <span class='doccomment'>/// Parameters: [ &lt;text&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// With the AWAY command, clients can set an automatic reply string for</span>
    <span class='doccomment'>/// any PRIVMSG commands directed at them (not to a channel they are on).</span>
    <span class='doccomment'>/// The server sends an automatic reply to the client sending the PRIVMSG</span>
    <span class='doccomment'>/// command.  The only replying server is the one to which the sending</span>
    <span class='doccomment'>/// client is connected to.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The AWAY command is used either with one parameter, to set an AWAY</span>
    <span class='doccomment'>/// message, or with no parameters, to remove the AWAY message.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Because of its high cost (memory and bandwidth wise), the AWAY</span>
    <span class='doccomment'>/// message SHOULD only be used for client-server communication.  A</span>
    <span class='doccomment'>/// server MAY choose to silently ignore AWAY messages received from</span>
    <span class='doccomment'>/// other servers.  To update the away status of a client across servers,</span>
    <span class='doccomment'>/// the user mode &#39;a&#39; SHOULD be used instead.  (See Section 3.1.5)</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    RPL_UNAWAY                    RPL_NOWAWAY</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    AWAY :Gone to lunch.  Back in 5 ; Command to set away message to</span>
    <span class='doccomment'>///                                    &quot;Gone to lunch.  Back in 5&quot;.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>AWAY</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 4.2 Rehash message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: REHASH</span>
    <span class='doccomment'>/// Parameters: None</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The rehash command is an administrative command which can be used by</span>
    <span class='doccomment'>/// an operator to force the server to re-read and process its</span>
    <span class='doccomment'>/// configuration file.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    RPL_REHASHING                 ERR_NOPRIVILEGES</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    REHASH                          ; message from user with operator</span>
    <span class='doccomment'>///                                    status to server asking it to reread</span>
    <span class='doccomment'>///                                    its configuration file.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>REHASH</span>,

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 4.3 Die message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: DIE</span>
    <span class='doccomment'>/// Parameters: None</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// An operator can use the DIE command to shutdown the server.  This</span>
    <span class='doccomment'>/// message is optional since it may be viewed as a risk to allow</span>
    <span class='doccomment'>/// arbitrary people to connect to a server as an operator and execute</span>
    <span class='doccomment'>/// this command.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The DIE command MUST always be fully processed by the server to which</span>
    <span class='doccomment'>/// the sending client is connected and MUST NOT be passed onto other</span>
    <span class='doccomment'>/// connected servers.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOPRIVILEGES</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    DIE                             ; no parameters required.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>DIE</span>,

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 4.4 Restart message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: RESTART</span>
    <span class='doccomment'>/// Parameters: None</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// An operator can use the restart command to force the server to</span>
    <span class='doccomment'>/// restart itself.  This message is optional since it may be viewed as a</span>
    <span class='doccomment'>/// risk to allow arbitrary people to connect to a server as an operator</span>
    <span class='doccomment'>/// and execute this command, causing (at least) a disruption to service.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The RESTART command MUST always be fully processed by the server to</span>
    <span class='doccomment'>/// which the sending client is connected and MUST NOT be passed onto</span>
    <span class='doccomment'>/// other connected servers.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOPRIVILEGES</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    RESTART                         ; no parameters required.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>RESTART</span>,

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 4.5 Summon message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: SUMMON</span>
    <span class='doccomment'>/// Parameters: &lt;user&gt; [ &lt;target&gt; [ &lt;channel&gt; ] ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The SUMMON command can be used to give users who are on a host</span>
    <span class='doccomment'>/// running an IRC server a message asking them to please join IRC.  This</span>
    <span class='doccomment'>/// message is only sent if the target server (a) has SUMMON enabled, (b)</span>
    <span class='doccomment'>/// the user is logged in and (c) the server process can write to the</span>
    <span class='doccomment'>/// user&#39;s tty (or similar).</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If no &lt;server&gt; parameter is given it tries to summon &lt;user&gt; from the</span>
    <span class='doccomment'>/// server the client is connected to is assumed as the target.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// If summon is not enabled in a server, it MUST return the</span>
    <span class='doccomment'>/// ERR_SUMMONDISABLED numeric.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NORECIPIENT               ERR_FILEERROR</span>
    <span class='doccomment'>///    ERR_NOLOGIN                   ERR_NOSUCHSERVER</span>
    <span class='doccomment'>///    ERR_SUMMONDISABLED            RPL_SUMMONING</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Examples:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    SUMMON jto                      ; summon user jto on the server&#39;s</span>
    <span class='doccomment'>///                                    host</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    SUMMON jto tolsun.oulu.fi       ; summon user jto on the host which a</span>
    <span class='doccomment'>///                                    server named &quot;tolsun.oulu.fi&quot; is</span>
    <span class='doccomment'>///                                    running.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>SUMMON</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>, <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>)<span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 4.6 Users</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: USERS</span>
    <span class='doccomment'>/// Parameters: [ &lt;target&gt; ]</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The USERS command returns a list of users logged into the server in a</span>
    <span class='doccomment'>/// format similar to the UNIX commands who(1), rusers(1) and finger(1).</span>
    <span class='doccomment'>/// If disabled, the correct numeric MUST be returned to indicate this.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Because of the security implications of such a command, it SHOULD be</span>
    <span class='doccomment'>/// disabled by default in server implementations.  Enabling it SHOULD</span>
    <span class='doccomment'>/// require recompiling the server or some equivalent change rather than</span>
    <span class='doccomment'>/// simply toggling an option and restarting the server.  The procedure</span>
    <span class='doccomment'>/// to enable this command SHOULD also include suitable large comments.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NOSUCHSERVER              ERR_FILEERROR</span>
    <span class='doccomment'>///    RPL_USERSSTART                RPL_USERS</span>
    <span class='doccomment'>///    RPL_NOUSERS                   RPL_ENDOFUSERS</span>
    <span class='doccomment'>///    ERR_USERSDISABLED</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Disabled Reply:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_USERSDISABLED</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    USERS eff.org                   ; request a list of users logged in</span>
    <span class='doccomment'>///                                    on server eff.org</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>USERS</span>(<span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 4.7 Operwall message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: WALLOPS</span>
    <span class='doccomment'>/// Parameters: &lt;Text to be sent&gt;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The WALLOPS command is used to send a message to all currently</span>
    <span class='doccomment'>/// connected users who have set the &#39;w&#39; user mode for themselves.  (See</span>
    <span class='doccomment'>/// Section 3.1.5 &quot;User modes&quot;).</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// After implementing WALLOPS as a user command it was found that it was</span>
    <span class='doccomment'>/// often and commonly abused as a means of sending a message to a lot of</span>
    <span class='doccomment'>/// people.  Due to this, it is RECOMMENDED that the implementation of</span>
    <span class='doccomment'>/// WALLOPS allows and recognizes only servers as the originators of</span>
    <span class='doccomment'>/// WALLOPS.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    ERR_NEEDMOREPARAMS</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :csd.bu.edu WALLOPS :Connect &#39;*.uiuc.edu 6667&#39; from Joshua ; WALLOPS</span>
    <span class='doccomment'>///                                    message from csd.bu.edu announcing a</span>
    <span class='doccomment'>///                                    CONNECT message it received from</span>
    <span class='doccomment'>///                                    Joshua and acted upon.</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>WALLOPS</span>(<span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span>),

    <span class='doccomment'>/// ```text</span>
    <span class='doccomment'>/// 4.8 Userhost message</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Command: USERHOST</span>
    <span class='doccomment'>/// Parameters: &lt;nickname&gt; *( SPACE &lt;nickname&gt; )</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// The USERHOST command takes a list of up to 5 nicknames, each</span>
    <span class='doccomment'>/// separated by a space character and returns a list of information</span>
    <span class='doccomment'>/// about each nickname that it found.  The returned list has each reply</span>
    <span class='doccomment'>/// separated by a space.</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Numeric Replies:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    RPL_USERHOST                  ERR_NEEDMOREPARAMS</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>/// Example:</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    USERHOST Wiz Michael syrk       ; USERHOST request for information on</span>
    <span class='doccomment'>///                                    nicks &quot;Wiz&quot;, &quot;Michael&quot;, and &quot;syrk&quot;</span>
    <span class='doccomment'>///</span>
    <span class='doccomment'>///    :ircd.stealth.net 302 yournick :syrk=+syrk@millennium.stealth.net</span>
    <span class='doccomment'>///                                    ; Reply for user syrk</span>
    <span class='doccomment'>/// ```</span>
    <span class='ident'>USERHOST</span>(<span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>CS</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span>),
}

<span class='comment'>/*impl&lt;&#39;a&gt; Clone for Command&lt;&#39;a&gt; {
    fn clone(&amp;self) -&gt; Command&lt;&#39;a&gt; {
        use self::Command::*;
        match self {
            &amp;PASS(ref pw) =&gt; PASS(pw.to_owned().clone()),
            /*&amp;NICK(ref nick) =&gt;
                Message::format(None, Borrowed(&quot;NICK&quot;), vec![], Some(nick.clone()), MsgType::Irc),
            &amp;USER(ref user, ref mode, ref unused, ref realname) =&gt;
                Message::format(None, Borrowed(&quot;USER&quot;),
                    vec![user.clone(), mode.clone(), unused.clone()],
                    Some(realname.clone()), MsgType::Irc),
            &amp;OPER(ref name, ref pw) =&gt;
                Message::format(None, Borrowed(&quot;OPER&quot;),
                    vec![name.clone(), pw.clone()], None, MsgType::Irc),
            &amp;UMODE(ref mode) =&gt;
                Message::format(None, Borrowed(&quot;MODE&quot;), vec![], Some(mode.clone()), MsgType::Irc),
            &amp;SERVICE(ref nick, ref reserved, ref distribution, ref type_, ref reserved2, ref info) =&gt;
                Message::format(None, Borrowed(&quot;SERVICE&quot;),
                    vec![nick.clone(), reserved.clone(), distribution.clone(),
                    type_.clone(), reserved2.clone()], Some(info.clone()), MsgType::Irc),
            &amp;QUIT(ref msg) =&gt;
                Message::format(None, Borrowed(&quot;QUIT&quot;), vec![], msg.clone(), MsgType::Irc),
            &amp;SQUIT(ref server, ref comment) =&gt;
                Message::format(None, Borrowed(&quot;SQUIT&quot;),
                    vec![server.clone()], Some(comment.clone()), MsgType::Irc),
            &amp;JOIN(ref ch, ref pw) =&gt;
                Message::format(None, Borrowed(&quot;JOIN&quot;),
                    vec![Owned(ch.connect(&quot;,&quot;)), Owned(pw.connect(&quot;,&quot;))], None, MsgType::Irc),
            &amp;PART(ref ch, ref reason) =&gt;
                Message::format(None, Borrowed(&quot;PART&quot;),
                    vec![Owned(ch.connect(&quot;,&quot;))], reason.clone(), MsgType::Irc),
            &amp;MODE(ref channel, ref modes) =&gt;
                // Screw this, folding will have to do.
                Message::format(None, Borrowed(&quot;MODE&quot;),
                    modes.iter().fold(vec![channel.clone()], |mut v, &amp;(ref a, ref b)| {
                        v.push(a.clone());
                        v.push(b.clone());
                        v
                    }), None, MsgType::Irc),
            &amp;TOPIC(ref channel, ref topic) =&gt;
                Message::format(None, Borrowed(&quot;TOPIC&quot;),
                    vec![channel.clone()], topic.clone(), MsgType::Irc),
            &amp;NAMES(ref ch, ref target) =&gt;
                Message::format(None, Borrowed(&quot;NAMES&quot;),
                    vec![Owned(ch.connect(&quot;,&quot;))], target.clone(), MsgType::Irc),
            &amp;LIST(ref ch, ref target) =&gt;
                Message::format(None, Borrowed(&quot;LIST&quot;),
                    vec![Owned(ch.connect(&quot;,&quot;))], target.clone(), MsgType::Irc),
            &amp;INVITE(ref nick, ref channel) =&gt;
                Message::format(None, Borrowed(&quot;INVITE&quot;),
                    vec![nick.clone()], Some(channel.clone()), MsgType::Irc),
            &amp;KICK(ref ch, ref users, ref comment) =&gt;
                Message::format(None, Borrowed(&quot;KICK&quot;),
                    vec![Owned(ch.connect(&quot;,&quot;)), Owned(users.connect(&quot;,&quot;))],
                    comment.clone(), MsgType::Irc),
            &amp;PRIVMSG(ref target, ref msg) =&gt;
                Message::format(None, Borrowed(&quot;PRIVMSG&quot;),
                    vec![target.clone()], Some(msg.clone()), MsgType::Irc),
            &amp;NOTICE(ref target, ref text) =&gt;
                Message::format(None, Borrowed(&quot;NOTICE&quot;),
                    vec![target.clone()], Some(text.clone()), MsgType::Irc),
            &amp;MOTD(ref target) =&gt;
                Message::format(None, Borrowed(&quot;MOTD&quot;), vec![], target.clone(), MsgType::Irc),
            &amp;LUSERS(ref lu) =&gt;
                Message::format(None, Borrowed(&quot;LUSERS&quot;),
                    lu.as_ref().map(|&amp;(ref mask, _)| vec![mask.clone()]).unwrap_or(vec![]),
                    lu.as_ref().and_then(|&amp;(_, ref target)| target.clone()), MsgType::Irc),
            &amp;VERSION(ref target) =&gt;
                Message::format(None, Borrowed(&quot;VERSION&quot;), vec![], target.clone(), MsgType::Irc),
            &amp;STATS(ref st) =&gt;
                Message::format(None, Borrowed(&quot;STATS&quot;),
                    st.as_ref().map(|&amp;(ref query, _)| vec![query.clone()]).unwrap_or(vec![]),
                    st.as_ref().and_then(|&amp;(_, ref target)| target.clone()), MsgType::Irc),
            &amp;LINKS(ref l) =&gt;
                Message::format(None, Borrowed(&quot;LINKS&quot;),
                    l.as_ref().map(|&amp;(ref remote, ref mask)| if remote.is_some() {
                    vec![remote.clone().unwrap(), mask.clone()] } else { vec![mask.clone()] }).unwrap_or(vec![]),
                    None, MsgType::Irc),
            &amp;TIME(ref target) =&gt;
                Message::format(None, Borrowed(&quot;TIME&quot;), vec![], target.clone(), MsgType::Irc),
            &amp;CONNECT(ref server, ref port, ref remote) =&gt;
                Message::format(None, Borrowed(&quot;CONNECT&quot;),
                    vec![server.clone(), Owned(format!(&quot;{}&quot;, port))], remote.clone(), MsgType::Irc),
            &amp;TRACE(ref target) =&gt;
                Message::format(None, Borrowed(&quot;TRACE&quot;), vec![], target.clone(), MsgType::Irc),
            &amp;ADMIN(ref target) =&gt;
                Message::format(None, Borrowed(&quot;ADMIN&quot;), vec![], target.clone(), MsgType::Irc),
            &amp;INFO(ref target) =&gt;
                Message::format(None, Borrowed(&quot;INFO&quot;), vec![], target.clone(), MsgType::Irc),
            &amp;SERVLIST(ref sl) =&gt;
                Message::format(None, Borrowed(&quot;SERVLIST&quot;),
                    sl.as_ref().map(|&amp;(ref mask, ref target)| target.as_ref()
                    .map(|t| vec![mask.clone(), t.clone()])
                    .unwrap_or_else(|| vec![mask.clone()]))
                    .unwrap_or(vec![]), None, MsgType::Irc),
            &amp;SQUERY(ref name, ref text) =&gt;
                Message::format(None, Borrowed(&quot;SQUERY&quot;),
                    vec![name.clone()], Some(text.clone()), MsgType::Irc),
            &amp;WHO(ref mask, o) =&gt;
                Message::format(None, Borrowed(&quot;WHO&quot;),
                    match (mask, o) {
                        (&amp;Some(ref m), true) =&gt; vec![m.clone(), Borrowed(&quot;o&quot;)],
                        (&amp;Some(ref m), false) =&gt; vec![m.clone()],
                        (&amp;None, _) =&gt; vec![]
                    }, None, MsgType::Irc),
            &amp;WHOIS(ref target,  ref masks) =&gt;
                Message::format(None, Borrowed(&quot;WHOIS&quot;),
                    target.as_ref().map(|t| vec![t.clone(), Owned(masks.connect(&quot;,&quot;))])
                    .unwrap_or_else(|| vec![Owned(masks.connect(&quot;,&quot;))]), None, MsgType::Irc),
            &amp;WHOWAS(ref nick, ref count) =&gt;
                Message::format(None, Borrowed(&quot;WHOWAS&quot;), match count {
                        &amp;Some((ref c, Some(ref t))) =&gt; vec![Owned(nick.connect(&quot;,&quot;)), c.clone(), t.clone()],
                        &amp;Some((ref c, None)) =&gt; vec![Owned(nick.connect(&quot;,&quot;)), c.clone()],
                        &amp;None =&gt; vec![Owned(nick.connect(&quot;,&quot;))]
                    }, None, MsgType::Irc),
            &amp;PING(ref s1, ref s2) =&gt;
                Message::format(None, Borrowed(&quot;PING&quot;), vec![s1.clone()], s2.clone(), MsgType::Irc),
            &amp;PONG(ref s1, ref s2) =&gt;
                Message::format(None, Borrowed(&quot;PONG&quot;), vec![s1.clone()], s2.clone(), MsgType::Irc),
             */           /*&amp;Command::PING(ref server1, ref server2) =&gt; {
                let mut c = Vec::new();
                c.push(server1.clone());
                if let &amp;Some(ref s) = server2 { c.push(s.clone()) }
                Message::format(None, &quot;PING&quot;, c, None, MsgType::Irc)
            },
            &amp;Command::PONG(ref server1, ref server2) =&gt; {
                let mut c = Vec::new();
                c.push(server1.clone());
                if let &amp;Some(ref s) = server2 { c.push(s.clone()) }
                Message::format(None, &quot;PONG&quot;, c, None, MsgType::Irc)
            },*/
            _ =&gt; unimplemented!()
        }

    }
}*/</span>

<span class='kw'>impl</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span> <span class='ident'>Command</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;</span> {
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>from_message</span>(<span class='ident'>msg</span>: <span class='kw-2'>&amp;</span><span class='lifetime'>&#39;a</span> <span class='ident'>Message</span>) <span class='op'>-&gt;</span> <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>Command</span><span class='op'>&lt;</span><span class='lifetime'>&#39;a</span><span class='op'>&gt;&gt;</span> {
        <span class='kw'>use</span> <span class='self'>self</span>::<span class='ident'>Command</span>::<span class='op'>*</span>;
        <span class='kw'>match</span> <span class='ident'>msg</span>.<span class='ident'>command</span>() {
            <span class='string'>&quot;PASS&quot;</span> <span class='op'>=&gt;</span> <span class='ident'>msg</span>.<span class='ident'>elements</span>().<span class='ident'>last</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span><span class='ident'>m</span><span class='op'>|</span> <span class='ident'>m</span>).<span class='ident'>map</span>(<span class='ident'>Borrowed</span>).<span class='ident'>map</span>(<span class='ident'>PASS</span>),
            <span class='string'>&quot;NICK&quot;</span> <span class='op'>=&gt;</span> <span class='ident'>msg</span>.<span class='ident'>suffix</span>().<span class='ident'>or_else</span>(<span class='op'>||</span> <span class='ident'>msg</span>.<span class='ident'>content</span>().<span class='ident'>last</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span><span class='ident'>m</span><span class='op'>|</span> <span class='ident'>m</span>))
                .<span class='ident'>map</span>(<span class='ident'>Borrowed</span>).<span class='ident'>map</span>(<span class='ident'>NICK</span>),
            <span class='string'>&quot;USER&quot;</span> <span class='op'>=&gt;</span> <span class='kw'>if</span> <span class='kw'>let</span> [<span class='ident'>user</span>, <span class='ident'>mode</span>, <span class='ident'>unused</span>, <span class='ident'>realname</span>, ..] <span class='op'>=</span> <span class='ident'>msg</span>.<span class='ident'>elements</span>().<span class='ident'>as_ref</span>() {
                    <span class='prelude-val'>Some</span>(<span class='ident'>USER</span>(<span class='ident'>Borrowed</span>(<span class='ident'>user</span>), <span class='ident'>Borrowed</span>(<span class='ident'>mode</span>),
                              <span class='ident'>Borrowed</span>(<span class='ident'>unused</span>), <span class='ident'>Borrowed</span>(<span class='ident'>realname</span>)))
            } <span class='kw'>else</span> { <span class='prelude-val'>None</span> },
            <span class='string'>&quot;OPER&quot;</span> <span class='op'>=&gt;</span> <span class='kw'>if</span> <span class='kw'>let</span> [<span class='ident'>name</span>, <span class='ident'>pw</span>, ..] <span class='op'>=</span> <span class='ident'>msg</span>.<span class='ident'>elements</span>().<span class='ident'>as_ref</span>() {
                <span class='prelude-val'>Some</span>(<span class='ident'>OPER</span>(<span class='ident'>Borrowed</span>(<span class='ident'>name</span>), <span class='ident'>Borrowed</span>(<span class='ident'>pw</span>)))
            } <span class='kw'>else</span> { <span class='prelude-val'>None</span> },
            <span class='string'>&quot;PING&quot;</span> <span class='op'>=&gt;</span> {
                <span class='kw'>let</span> <span class='ident'>e</span> <span class='op'>=</span> <span class='ident'>msg</span>.<span class='ident'>elements</span>();
                <span class='ident'>e</span>.<span class='ident'>first</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>s1</span><span class='op'>|</span> <span class='ident'>PING</span>(<span class='ident'>Borrowed</span>(<span class='ident'>s1</span>), <span class='ident'>e</span>.<span class='ident'>get</span>(<span class='number'>1</span>).<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span><span class='ident'>m</span><span class='op'>|</span> <span class='ident'>m</span>).<span class='ident'>map</span>(<span class='ident'>Borrowed</span>)))
            },
            <span class='string'>&quot;PONG&quot;</span> <span class='op'>=&gt;</span> {
                <span class='kw'>let</span> <span class='ident'>e</span> <span class='op'>=</span> <span class='ident'>msg</span>.<span class='ident'>elements</span>();
                <span class='ident'>e</span>.<span class='ident'>first</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>s1</span><span class='op'>|</span> <span class='ident'>PONG</span>(<span class='ident'>Borrowed</span>(<span class='ident'>s1</span>), <span class='ident'>e</span>.<span class='ident'>get</span>(<span class='number'>1</span>).<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span><span class='ident'>m</span><span class='op'>|</span> <span class='ident'>m</span>).<span class='ident'>map</span>(<span class='ident'>Borrowed</span>)))
            },
            <span class='string'>&quot;JOIN&quot;</span> <span class='op'>=&gt;</span> <span class='kw'>if</span> <span class='kw'>let</span> [<span class='ident'>ch</span>, <span class='ident'>pw</span>, ..] <span class='op'>=</span> <span class='ident'>msg</span>.<span class='ident'>elements</span>().<span class='ident'>as_ref</span>() {
                <span class='prelude-val'>Some</span>(<span class='ident'>JOIN</span>(<span class='ident'>ch</span>.<span class='ident'>split</span>(<span class='string'>&quot;,&quot;</span>).<span class='ident'>map</span>(<span class='ident'>Borrowed</span>).<span class='ident'>collect</span>(),
                          <span class='ident'>pw</span>.<span class='ident'>split</span>(<span class='string'>&quot;,&quot;</span>).<span class='ident'>map</span>(<span class='ident'>Borrowed</span>).<span class='ident'>collect</span>()))
            } <span class='kw'>else</span> { <span class='prelude-val'>None</span> },
            <span class='string'>&quot;PART&quot;</span> <span class='op'>=&gt;</span> <span class='kw'>if</span> <span class='kw'>let</span> [<span class='ident'>ch</span>, <span class='ident'>reason</span>..] <span class='op'>=</span> <span class='ident'>msg</span>.<span class='ident'>elements</span>().<span class='ident'>as_ref</span>() {
                <span class='prelude-val'>Some</span>(<span class='ident'>PART</span>(<span class='ident'>ch</span>.<span class='ident'>split</span>(<span class='string'>&quot;,&quot;</span>).<span class='ident'>map</span>(<span class='ident'>Borrowed</span>).<span class='ident'>collect</span>(),
                          <span class='ident'>reason</span>.<span class='ident'>first</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span><span class='ident'>m</span><span class='op'>|</span> <span class='ident'>m</span>).<span class='ident'>map</span>(<span class='ident'>Borrowed</span>)))
            } <span class='kw'>else</span> { <span class='prelude-val'>None</span> },
            <span class='string'>&quot;PRIVMSG&quot;</span> <span class='op'>=&gt;</span> <span class='kw'>if</span> <span class='kw'>let</span> [<span class='ident'>target</span>, <span class='ident'>msg</span>, ..] <span class='op'>=</span> <span class='ident'>msg</span>.<span class='ident'>elements</span>().<span class='ident'>as_ref</span>() {
                <span class='prelude-val'>Some</span>(<span class='ident'>PRIVMSG</span>(<span class='ident'>Borrowed</span>(<span class='ident'>target</span>), <span class='ident'>Borrowed</span>(<span class='ident'>msg</span>)))
            } <span class='kw'>else</span> { <span class='prelude-val'>None</span> },
            <span class='string'>&quot;NOTICE&quot;</span> <span class='op'>=&gt;</span> <span class='kw'>if</span> <span class='kw'>let</span> [<span class='ident'>target</span>, <span class='ident'>msg</span>, ..] <span class='op'>=</span> <span class='ident'>msg</span>.<span class='ident'>elements</span>().<span class='ident'>as_ref</span>() {
                <span class='prelude-val'>Some</span>(<span class='ident'>NOTICE</span>(<span class='ident'>Borrowed</span>(<span class='ident'>target</span>), <span class='ident'>Borrowed</span>(<span class='ident'>msg</span>)))
            } <span class='kw'>else</span> { <span class='prelude-val'>None</span> },
            _ <span class='op'>=&gt;</span> <span class='prelude-val'>None</span>
        }
    }

    <span class='doccomment'>/// It started out pretty, but was quickly infested with `ref` and cloning.</span>
    <span class='doccomment'>/// I&#39;m sorry, this one might not make it.</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>to_message</span>(<span class='kw-2'>&amp;</span><span class='lifetime'>&#39;a</span> <span class='self'>self</span>) <span class='op'>-&gt;</span> <span class='ident'>Message</span> {
        <span class='kw'>use</span> <span class='self'>self</span>::<span class='ident'>Command</span>::<span class='op'>*</span>;
        <span class='kw'>match</span> <span class='self'>self</span> {
            <span class='kw-2'>&amp;</span><span class='ident'>PASS</span>(<span class='kw-2'>ref</span> <span class='ident'>pw</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;PASS&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[], <span class='prelude-val'>Some</span>(<span class='ident'>pw</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>NICK</span>(<span class='kw-2'>ref</span> <span class='ident'>nick</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;NICK&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[], <span class='prelude-val'>Some</span>(<span class='ident'>nick</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>USER</span>(<span class='kw-2'>ref</span> <span class='ident'>user</span>, <span class='kw-2'>ref</span> <span class='ident'>mode</span>, <span class='kw-2'>ref</span> <span class='ident'>unused</span>, <span class='kw-2'>ref</span> <span class='ident'>realname</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;USER&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>user</span>.<span class='ident'>clone</span>(), <span class='ident'>mode</span>.<span class='ident'>clone</span>(), <span class='ident'>unused</span>.<span class='ident'>clone</span>()],
                    <span class='prelude-val'>Some</span>(<span class='ident'>realname</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>OPER</span>(<span class='kw-2'>ref</span> <span class='ident'>name</span>, <span class='kw-2'>ref</span> <span class='ident'>pw</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;OPER&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>name</span>.<span class='ident'>clone</span>(), <span class='ident'>pw</span>.<span class='ident'>clone</span>()], <span class='prelude-val'>None</span>, <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>UMODE</span>(<span class='kw-2'>ref</span> <span class='ident'>mode</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;MODE&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[], <span class='prelude-val'>Some</span>(<span class='ident'>mode</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>SERVICE</span>(<span class='kw-2'>ref</span> <span class='ident'>nick</span>, <span class='kw-2'>ref</span> <span class='ident'>reserved</span>, <span class='kw-2'>ref</span> <span class='ident'>distribution</span>, <span class='kw-2'>ref</span> <span class='ident'>type_</span>, <span class='kw-2'>ref</span> <span class='ident'>reserved2</span>, <span class='kw-2'>ref</span> <span class='ident'>info</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;SERVICE&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>nick</span>.<span class='ident'>clone</span>(), <span class='ident'>reserved</span>.<span class='ident'>clone</span>(), <span class='ident'>distribution</span>.<span class='ident'>clone</span>(),
                    <span class='ident'>type_</span>.<span class='ident'>clone</span>(), <span class='ident'>reserved2</span>.<span class='ident'>clone</span>()], <span class='prelude-val'>Some</span>(<span class='ident'>info</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>QUIT</span>(<span class='kw-2'>ref</span> <span class='ident'>msg</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;QUIT&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[], <span class='ident'>msg</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>SQUIT</span>(<span class='kw-2'>ref</span> <span class='ident'>server</span>, <span class='kw-2'>ref</span> <span class='ident'>comment</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;SQUIT&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>server</span>.<span class='ident'>clone</span>()], <span class='prelude-val'>Some</span>(<span class='ident'>comment</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>JOIN</span>(<span class='kw-2'>ref</span> <span class='ident'>ch</span>, <span class='kw-2'>ref</span> <span class='ident'>pw</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;JOIN&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>Owned</span>(<span class='ident'>ch</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>)), <span class='ident'>Owned</span>(<span class='ident'>pw</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>))], <span class='prelude-val'>None</span>, <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>PART</span>(<span class='kw-2'>ref</span> <span class='ident'>ch</span>, <span class='kw-2'>ref</span> <span class='ident'>reason</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;PART&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>Owned</span>(<span class='ident'>ch</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>))], <span class='ident'>reason</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>MODE</span>(<span class='kw-2'>ref</span> <span class='ident'>channel</span>, <span class='kw-2'>ref</span> <span class='ident'>modes</span>) <span class='op'>=&gt;</span>
                <span class='comment'>// Screw this, folding will have to do.</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;MODE&quot;</span>),
                    <span class='ident'>modes</span>.<span class='ident'>iter</span>().<span class='ident'>fold</span>(<span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>channel</span>.<span class='ident'>clone</span>()], <span class='op'>|</span><span class='kw-2'>mut</span> <span class='ident'>v</span>, <span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>a</span>, <span class='kw-2'>ref</span> <span class='ident'>b</span>)<span class='op'>|</span> {
                        <span class='ident'>v</span>.<span class='ident'>push</span>(<span class='ident'>a</span>.<span class='ident'>clone</span>());
                        <span class='ident'>v</span>.<span class='ident'>push</span>(<span class='ident'>b</span>.<span class='ident'>clone</span>());
                        <span class='ident'>v</span>
                    }), <span class='prelude-val'>None</span>, <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>TOPIC</span>(<span class='kw-2'>ref</span> <span class='ident'>channel</span>, <span class='kw-2'>ref</span> <span class='ident'>topic</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;TOPIC&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>channel</span>.<span class='ident'>clone</span>()], <span class='ident'>topic</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>NAMES</span>(<span class='kw-2'>ref</span> <span class='ident'>ch</span>, <span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;NAMES&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>Owned</span>(<span class='ident'>ch</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>))], <span class='ident'>target</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>LIST</span>(<span class='kw-2'>ref</span> <span class='ident'>ch</span>, <span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;LIST&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>Owned</span>(<span class='ident'>ch</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>))], <span class='ident'>target</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>INVITE</span>(<span class='kw-2'>ref</span> <span class='ident'>nick</span>, <span class='kw-2'>ref</span> <span class='ident'>channel</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;INVITE&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>nick</span>.<span class='ident'>clone</span>()], <span class='prelude-val'>Some</span>(<span class='ident'>channel</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>KICK</span>(<span class='kw-2'>ref</span> <span class='ident'>ch</span>, <span class='kw-2'>ref</span> <span class='ident'>users</span>, <span class='kw-2'>ref</span> <span class='ident'>comment</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;KICK&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>Owned</span>(<span class='ident'>ch</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>)), <span class='ident'>Owned</span>(<span class='ident'>users</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>))],
                    <span class='ident'>comment</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>PRIVMSG</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>, <span class='kw-2'>ref</span> <span class='ident'>msg</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;PRIVMSG&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>target</span>.<span class='ident'>clone</span>()], <span class='prelude-val'>Some</span>(<span class='ident'>msg</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>NOTICE</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>, <span class='kw-2'>ref</span> <span class='ident'>text</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;NOTICE&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>target</span>.<span class='ident'>clone</span>()], <span class='prelude-val'>Some</span>(<span class='ident'>text</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>MOTD</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;MOTD&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[], <span class='ident'>target</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>LUSERS</span>(<span class='kw-2'>ref</span> <span class='ident'>lu</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;LUSERS&quot;</span>),
                    <span class='ident'>lu</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>mask</span>, _)<span class='op'>|</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>mask</span>.<span class='ident'>clone</span>()]).<span class='ident'>unwrap_or</span>(<span class='macro'>vec</span><span class='macro'>!</span>[]),
                    <span class='ident'>lu</span>.<span class='ident'>as_ref</span>().<span class='ident'>and_then</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(_, <span class='kw-2'>ref</span> <span class='ident'>target</span>)<span class='op'>|</span> <span class='ident'>target</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>VERSION</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;VERSION&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[], <span class='ident'>target</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>STATS</span>(<span class='kw-2'>ref</span> <span class='ident'>st</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;STATS&quot;</span>),
                    <span class='ident'>st</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>query</span>, _)<span class='op'>|</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>query</span>.<span class='ident'>clone</span>()]).<span class='ident'>unwrap_or</span>(<span class='macro'>vec</span><span class='macro'>!</span>[]),
                    <span class='ident'>st</span>.<span class='ident'>as_ref</span>().<span class='ident'>and_then</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(_, <span class='kw-2'>ref</span> <span class='ident'>target</span>)<span class='op'>|</span> <span class='ident'>target</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>LINKS</span>(<span class='kw-2'>ref</span> <span class='ident'>l</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;LINKS&quot;</span>),
                    <span class='ident'>l</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>remote</span>, <span class='kw-2'>ref</span> <span class='ident'>mask</span>)<span class='op'>|</span> <span class='kw'>if</span> <span class='ident'>remote</span>.<span class='ident'>is_some</span>() {
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>remote</span>.<span class='ident'>clone</span>().<span class='ident'>unwrap</span>(), <span class='ident'>mask</span>.<span class='ident'>clone</span>()] } <span class='kw'>else</span> { <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>mask</span>.<span class='ident'>clone</span>()] }).<span class='ident'>unwrap_or</span>(<span class='macro'>vec</span><span class='macro'>!</span>[]),
                    <span class='prelude-val'>None</span>, <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>TIME</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;TIME&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[], <span class='ident'>target</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>CONNECT</span>(<span class='kw-2'>ref</span> <span class='ident'>server</span>, <span class='kw-2'>ref</span> <span class='ident'>port</span>, <span class='kw-2'>ref</span> <span class='ident'>remote</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;CONNECT&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>server</span>.<span class='ident'>clone</span>(), <span class='ident'>Owned</span>(<span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>&quot;{}&quot;</span>, <span class='ident'>port</span>))], <span class='ident'>remote</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>TRACE</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;TRACE&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[], <span class='ident'>target</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>ADMIN</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;ADMIN&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[], <span class='ident'>target</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>INFO</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;INFO&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[], <span class='ident'>target</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>SERVLIST</span>(<span class='kw-2'>ref</span> <span class='ident'>sl</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;SERVLIST&quot;</span>),
                    <span class='ident'>sl</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>mask</span>, <span class='kw-2'>ref</span> <span class='ident'>target</span>)<span class='op'>|</span> <span class='ident'>target</span>.<span class='ident'>as_ref</span>()
                    .<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>t</span><span class='op'>|</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>mask</span>.<span class='ident'>clone</span>(), <span class='ident'>t</span>.<span class='ident'>clone</span>()])
                    .<span class='ident'>unwrap_or_else</span>(<span class='op'>||</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>mask</span>.<span class='ident'>clone</span>()]))
                    .<span class='ident'>unwrap_or</span>(<span class='macro'>vec</span><span class='macro'>!</span>[]), <span class='prelude-val'>None</span>, <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>SQUERY</span>(<span class='kw-2'>ref</span> <span class='ident'>name</span>, <span class='kw-2'>ref</span> <span class='ident'>text</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;SQUERY&quot;</span>),
                    <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>name</span>.<span class='ident'>clone</span>()], <span class='prelude-val'>Some</span>(<span class='ident'>text</span>.<span class='ident'>clone</span>()), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>WHO</span>(<span class='kw-2'>ref</span> <span class='ident'>mask</span>, <span class='ident'>o</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;WHO&quot;</span>),
                    <span class='kw'>match</span> (<span class='ident'>mask</span>, <span class='ident'>o</span>) {
                        (<span class='kw-2'>&amp;</span><span class='prelude-val'>Some</span>(<span class='kw-2'>ref</span> <span class='ident'>m</span>), <span class='boolval'>true</span>) <span class='op'>=&gt;</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>m</span>.<span class='ident'>clone</span>(), <span class='ident'>Borrowed</span>(<span class='string'>&quot;o&quot;</span>)],
                        (<span class='kw-2'>&amp;</span><span class='prelude-val'>Some</span>(<span class='kw-2'>ref</span> <span class='ident'>m</span>), <span class='boolval'>false</span>) <span class='op'>=&gt;</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>m</span>.<span class='ident'>clone</span>()],
                        (<span class='kw-2'>&amp;</span><span class='prelude-val'>None</span>, _) <span class='op'>=&gt;</span> <span class='macro'>vec</span><span class='macro'>!</span>[]
                    }, <span class='prelude-val'>None</span>, <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>WHOIS</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>,  <span class='kw-2'>ref</span> <span class='ident'>masks</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;WHOIS&quot;</span>),
                    <span class='ident'>target</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>t</span><span class='op'>|</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>t</span>.<span class='ident'>clone</span>(), <span class='ident'>Owned</span>(<span class='ident'>masks</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>))])
                    .<span class='ident'>unwrap_or_else</span>(<span class='op'>||</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>Owned</span>(<span class='ident'>masks</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>))]), <span class='prelude-val'>None</span>, <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>WHOWAS</span>(<span class='kw-2'>ref</span> <span class='ident'>nick</span>, <span class='kw-2'>ref</span> <span class='ident'>count</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;WHOWAS&quot;</span>), <span class='kw'>match</span> <span class='ident'>count</span> {
                        <span class='kw-2'>&amp;</span><span class='prelude-val'>Some</span>((<span class='kw-2'>ref</span> <span class='ident'>c</span>, <span class='prelude-val'>Some</span>(<span class='kw-2'>ref</span> <span class='ident'>t</span>))) <span class='op'>=&gt;</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>Owned</span>(<span class='ident'>nick</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>)), <span class='ident'>c</span>.<span class='ident'>clone</span>(), <span class='ident'>t</span>.<span class='ident'>clone</span>()],
                        <span class='kw-2'>&amp;</span><span class='prelude-val'>Some</span>((<span class='kw-2'>ref</span> <span class='ident'>c</span>, <span class='prelude-val'>None</span>)) <span class='op'>=&gt;</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>Owned</span>(<span class='ident'>nick</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>)), <span class='ident'>c</span>.<span class='ident'>clone</span>()],
                        <span class='kw-2'>&amp;</span><span class='prelude-val'>None</span> <span class='op'>=&gt;</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>Owned</span>(<span class='ident'>nick</span>.<span class='ident'>connect</span>(<span class='string'>&quot;,&quot;</span>))]
                    }, <span class='prelude-val'>None</span>, <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>PING</span>(<span class='kw-2'>ref</span> <span class='ident'>s1</span>, <span class='kw-2'>ref</span> <span class='ident'>s2</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;PING&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>s1</span>.<span class='ident'>clone</span>()], <span class='ident'>s2</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>PONG</span>(<span class='kw-2'>ref</span> <span class='ident'>s1</span>, <span class='kw-2'>ref</span> <span class='ident'>s2</span>) <span class='op'>=&gt;</span>
                <span class='ident'>Message</span>::<span class='ident'>format</span>(<span class='prelude-val'>None</span>, <span class='ident'>Borrowed</span>(<span class='string'>&quot;PONG&quot;</span>), <span class='macro'>vec</span><span class='macro'>!</span>[<span class='ident'>s1</span>.<span class='ident'>clone</span>()], <span class='ident'>s2</span>.<span class='ident'>clone</span>(), <span class='ident'>MsgType</span>::<span class='ident'>Irc</span>),
            _ <span class='op'>=&gt;</span> <span class='macro'>unimplemented</span><span class='macro'>!</span>()
        }
    }

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>to_static</span>(<span class='kw-2'>&amp;</span><span class='self'>self</span>) <span class='op'>-&gt;</span> <span class='ident'>Command</span><span class='op'>&lt;</span><span class='lifetime'>&#39;static</span><span class='op'>&gt;</span> {
        <span class='kw'>fn</span> <span class='ident'>s</span>(<span class='ident'>c</span>: <span class='kw-2'>&amp;</span><span class='ident'>Cow</span><span class='op'>&lt;</span><span class='ident'>str</span><span class='op'>&gt;</span>) <span class='op'>-&gt;</span> <span class='ident'>Cow</span><span class='op'>&lt;</span><span class='lifetime'>&#39;static</span>, <span class='ident'>str</span><span class='op'>&gt;</span> {
            <span class='ident'>Cow</span>::<span class='ident'>Owned</span>(<span class='ident'>c</span>.<span class='ident'>clone</span>().<span class='ident'>into_owned</span>())
        }
        <span class='kw'>fn</span> <span class='ident'>so</span>(<span class='ident'>c</span>: <span class='kw-2'>&amp;</span><span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>Cow</span><span class='op'>&lt;</span><span class='ident'>str</span><span class='op'>&gt;&gt;</span>) <span class='op'>-&gt;</span> <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>Cow</span><span class='op'>&lt;</span><span class='lifetime'>&#39;static</span>, <span class='ident'>str</span><span class='op'>&gt;&gt;</span> {
            <span class='ident'>c</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='ident'>s</span>)
        }
        <span class='kw'>fn</span> <span class='ident'>sv</span>(<span class='ident'>c</span>: <span class='kw-2'>&amp;</span><span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>Cow</span><span class='op'>&lt;</span><span class='ident'>str</span><span class='op'>&gt;&gt;</span>) <span class='op'>-&gt;</span> <span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>Cow</span><span class='op'>&lt;</span><span class='lifetime'>&#39;static</span>, <span class='ident'>str</span><span class='op'>&gt;&gt;</span> {
            <span class='ident'>c</span>.<span class='ident'>iter</span>().<span class='ident'>map</span>(<span class='ident'>s</span>).<span class='ident'>collect</span>()
        }
        <span class='kw'>use</span> <span class='self'>self</span>::<span class='ident'>Command</span>::<span class='op'>*</span>;
        <span class='kw'>match</span> <span class='self'>self</span> {
            <span class='kw-2'>&amp;</span><span class='ident'>PASS</span>(<span class='kw-2'>ref</span> <span class='ident'>pw</span>) <span class='op'>=&gt;</span> <span class='ident'>PASS</span>(<span class='ident'>s</span>(<span class='ident'>pw</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>NICK</span>(<span class='kw-2'>ref</span> <span class='ident'>nick</span>) <span class='op'>=&gt;</span> <span class='ident'>NICK</span>(<span class='ident'>s</span>(<span class='ident'>nick</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>USER</span>(<span class='kw-2'>ref</span> <span class='ident'>user</span>, <span class='kw-2'>ref</span> <span class='ident'>mode</span>, <span class='kw-2'>ref</span> <span class='ident'>unused</span>, <span class='kw-2'>ref</span> <span class='ident'>realname</span>) <span class='op'>=&gt;</span>
                <span class='ident'>USER</span>(<span class='ident'>s</span>(<span class='ident'>user</span>), <span class='ident'>s</span>(<span class='ident'>mode</span>), <span class='ident'>s</span>(<span class='ident'>unused</span>), <span class='ident'>s</span>(<span class='ident'>realname</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>OPER</span>(<span class='kw-2'>ref</span> <span class='ident'>name</span>, <span class='kw-2'>ref</span> <span class='ident'>pw</span>) <span class='op'>=&gt;</span> <span class='ident'>OPER</span>(<span class='ident'>s</span>(<span class='ident'>name</span>), <span class='ident'>s</span>(<span class='ident'>pw</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>UMODE</span>(<span class='kw-2'>ref</span> <span class='ident'>mode</span>) <span class='op'>=&gt;</span> <span class='ident'>UMODE</span>(<span class='ident'>s</span>(<span class='ident'>mode</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>SERVICE</span>(<span class='kw-2'>ref</span> <span class='ident'>nick</span>, <span class='kw-2'>ref</span> <span class='ident'>reserved</span>, <span class='kw-2'>ref</span> <span class='ident'>distribution</span>, <span class='kw-2'>ref</span> <span class='ident'>type_</span>, <span class='kw-2'>ref</span> <span class='ident'>reserved2</span>, <span class='kw-2'>ref</span> <span class='ident'>info</span>) <span class='op'>=&gt;</span>
                <span class='ident'>SERVICE</span>(<span class='ident'>s</span>(<span class='ident'>nick</span>), <span class='ident'>s</span>(<span class='ident'>reserved</span>), <span class='ident'>s</span>(<span class='ident'>distribution</span>), <span class='ident'>s</span>(<span class='ident'>type_</span>), <span class='ident'>s</span>(<span class='ident'>reserved2</span>), <span class='ident'>s</span>(<span class='ident'>info</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>QUIT</span>(<span class='kw-2'>ref</span> <span class='ident'>msg</span>) <span class='op'>=&gt;</span> <span class='ident'>QUIT</span>(<span class='ident'>so</span>(<span class='ident'>msg</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>SQUIT</span>(<span class='kw-2'>ref</span> <span class='ident'>server</span>, <span class='kw-2'>ref</span> <span class='ident'>comment</span>) <span class='op'>=&gt;</span> <span class='ident'>SQUIT</span>(<span class='ident'>s</span>(<span class='ident'>server</span>), <span class='ident'>s</span>(<span class='ident'>comment</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>JOIN</span>(<span class='kw-2'>ref</span> <span class='ident'>ch</span>, <span class='kw-2'>ref</span> <span class='ident'>pw</span>) <span class='op'>=&gt;</span> <span class='ident'>JOIN</span>(<span class='ident'>sv</span>(<span class='ident'>ch</span>), <span class='ident'>sv</span>(<span class='ident'>pw</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>PART</span>(<span class='kw-2'>ref</span> <span class='ident'>ch</span>, <span class='kw-2'>ref</span> <span class='ident'>reason</span>) <span class='op'>=&gt;</span> <span class='ident'>PART</span>(<span class='ident'>sv</span>(<span class='ident'>ch</span>), <span class='ident'>so</span>(<span class='ident'>reason</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>MODE</span>(<span class='kw-2'>ref</span> <span class='ident'>channel</span>, <span class='kw-2'>ref</span> <span class='ident'>modes</span>) <span class='op'>=&gt;</span>
                <span class='ident'>MODE</span>(<span class='ident'>s</span>(<span class='ident'>channel</span>), <span class='ident'>modes</span>.<span class='ident'>iter</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>a</span>, <span class='kw-2'>ref</span> <span class='ident'>b</span>)<span class='op'>|</span> (<span class='ident'>s</span>(<span class='ident'>a</span>), <span class='ident'>s</span>(<span class='ident'>b</span>))).<span class='ident'>collect</span>()),
            <span class='kw-2'>&amp;</span><span class='ident'>TOPIC</span>(<span class='kw-2'>ref</span> <span class='ident'>channel</span>, <span class='kw-2'>ref</span> <span class='ident'>topic</span>) <span class='op'>=&gt;</span> <span class='ident'>TOPIC</span>(<span class='ident'>s</span>(<span class='ident'>channel</span>), <span class='ident'>so</span>(<span class='ident'>topic</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>NAMES</span>(<span class='kw-2'>ref</span> <span class='ident'>ch</span>, <span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span> <span class='ident'>NAMES</span>(<span class='ident'>sv</span>(<span class='ident'>ch</span>), <span class='ident'>so</span>(<span class='ident'>target</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>LIST</span>(<span class='kw-2'>ref</span> <span class='ident'>ch</span>, <span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span> <span class='ident'>LIST</span>(<span class='ident'>sv</span>(<span class='ident'>ch</span>), <span class='ident'>so</span>(<span class='ident'>target</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>INVITE</span>(<span class='kw-2'>ref</span> <span class='ident'>nick</span>, <span class='kw-2'>ref</span> <span class='ident'>channel</span>) <span class='op'>=&gt;</span> <span class='ident'>INVITE</span>(<span class='ident'>s</span>(<span class='ident'>nick</span>), <span class='ident'>s</span>(<span class='ident'>channel</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>KICK</span>(<span class='kw-2'>ref</span> <span class='ident'>ch</span>, <span class='kw-2'>ref</span> <span class='ident'>users</span>, <span class='kw-2'>ref</span> <span class='ident'>comment</span>) <span class='op'>=&gt;</span> <span class='ident'>KICK</span>(<span class='ident'>sv</span>(<span class='ident'>ch</span>), <span class='ident'>sv</span>(<span class='ident'>users</span>), <span class='ident'>so</span>(<span class='ident'>comment</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>PRIVMSG</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>, <span class='kw-2'>ref</span> <span class='ident'>msg</span>) <span class='op'>=&gt;</span> <span class='ident'>PRIVMSG</span>(<span class='ident'>s</span>(<span class='ident'>target</span>), <span class='ident'>s</span>(<span class='ident'>msg</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>NOTICE</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>, <span class='kw-2'>ref</span> <span class='ident'>text</span>) <span class='op'>=&gt;</span> <span class='ident'>NOTICE</span>(<span class='ident'>s</span>(<span class='ident'>target</span>), <span class='ident'>s</span>(<span class='ident'>text</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>MOTD</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span> <span class='ident'>MOTD</span>(<span class='ident'>so</span>(<span class='ident'>target</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>LUSERS</span>(<span class='kw-2'>ref</span> <span class='ident'>lu</span>) <span class='op'>=&gt;</span> <span class='ident'>LUSERS</span>(<span class='ident'>lu</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>a</span>, <span class='kw-2'>ref</span> <span class='ident'>b</span>)<span class='op'>|</span> (<span class='ident'>s</span>(<span class='ident'>a</span>), <span class='ident'>so</span>(<span class='ident'>b</span>)))),
            <span class='kw-2'>&amp;</span><span class='ident'>VERSION</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span> <span class='ident'>VERSION</span>(<span class='ident'>so</span>(<span class='ident'>target</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>STATS</span>(<span class='kw-2'>ref</span> <span class='ident'>st</span>) <span class='op'>=&gt;</span> <span class='ident'>STATS</span>(<span class='ident'>st</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>a</span>, <span class='kw-2'>ref</span> <span class='ident'>b</span>)<span class='op'>|</span> (<span class='ident'>s</span>(<span class='ident'>a</span>), <span class='ident'>so</span>(<span class='ident'>b</span>)))),
            <span class='kw-2'>&amp;</span><span class='ident'>LINKS</span>(<span class='kw-2'>ref</span> <span class='ident'>l</span>) <span class='op'>=&gt;</span> <span class='ident'>LINKS</span>(<span class='ident'>l</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>a</span>, <span class='kw-2'>ref</span> <span class='ident'>b</span>)<span class='op'>|</span> (<span class='ident'>so</span>(<span class='ident'>a</span>), <span class='ident'>s</span>(<span class='ident'>b</span>)))),
            <span class='kw-2'>&amp;</span><span class='ident'>TIME</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span> <span class='ident'>TIME</span>(<span class='ident'>so</span>(<span class='ident'>target</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>CONNECT</span>(<span class='kw-2'>ref</span> <span class='ident'>server</span>, <span class='ident'>port</span>, <span class='kw-2'>ref</span> <span class='ident'>remote</span>) <span class='op'>=&gt;</span> <span class='ident'>CONNECT</span>(<span class='ident'>s</span>(<span class='ident'>server</span>), <span class='ident'>port</span>, <span class='ident'>so</span>(<span class='ident'>remote</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>TRACE</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span> <span class='ident'>TRACE</span>(<span class='ident'>so</span>(<span class='ident'>target</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>ADMIN</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span> <span class='ident'>ADMIN</span>(<span class='ident'>so</span>(<span class='ident'>target</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>INFO</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>) <span class='op'>=&gt;</span> <span class='ident'>INFO</span>(<span class='ident'>so</span>(<span class='ident'>target</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>SERVLIST</span>(<span class='kw-2'>ref</span> <span class='ident'>sl</span>) <span class='op'>=&gt;</span> <span class='ident'>SERVLIST</span>(<span class='ident'>sl</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>a</span>, <span class='kw-2'>ref</span> <span class='ident'>b</span>)<span class='op'>|</span> (<span class='ident'>s</span>(<span class='ident'>a</span>), <span class='ident'>so</span>(<span class='ident'>b</span>)))),
            <span class='kw-2'>&amp;</span><span class='ident'>SQUERY</span>(<span class='kw-2'>ref</span> <span class='ident'>name</span>, <span class='kw-2'>ref</span> <span class='ident'>text</span>) <span class='op'>=&gt;</span> <span class='ident'>SQUERY</span>(<span class='ident'>s</span>(<span class='ident'>name</span>), <span class='ident'>s</span>(<span class='ident'>text</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>WHO</span>(<span class='kw-2'>ref</span> <span class='ident'>mask</span>, <span class='ident'>o</span>) <span class='op'>=&gt;</span> <span class='ident'>WHO</span>(<span class='ident'>so</span>(<span class='ident'>mask</span>), <span class='ident'>o</span>),
            <span class='kw-2'>&amp;</span><span class='ident'>WHOIS</span>(<span class='kw-2'>ref</span> <span class='ident'>target</span>,  <span class='kw-2'>ref</span> <span class='ident'>masks</span>) <span class='op'>=&gt;</span> <span class='ident'>WHOIS</span>(<span class='ident'>so</span>(<span class='ident'>target</span>), <span class='ident'>sv</span>(<span class='ident'>masks</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>WHOWAS</span>(<span class='kw-2'>ref</span> <span class='ident'>nick</span>, <span class='kw-2'>ref</span> <span class='ident'>count</span>) <span class='op'>=&gt;</span>
                <span class='ident'>WHOWAS</span>(<span class='ident'>sv</span>(<span class='ident'>nick</span>), <span class='ident'>count</span>.<span class='ident'>as_ref</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='kw-2'>&amp;</span>(<span class='kw-2'>ref</span> <span class='ident'>a</span>, <span class='kw-2'>ref</span> <span class='ident'>b</span>)<span class='op'>|</span> (<span class='ident'>s</span>(<span class='ident'>a</span>), <span class='ident'>so</span>(<span class='ident'>b</span>)))),
            <span class='kw-2'>&amp;</span><span class='ident'>PING</span>(<span class='kw-2'>ref</span> <span class='ident'>s1</span>, <span class='kw-2'>ref</span> <span class='ident'>s2</span>) <span class='op'>=&gt;</span> <span class='ident'>PING</span>(<span class='ident'>s</span>(<span class='ident'>s1</span>), <span class='ident'>so</span>(<span class='ident'>s2</span>)),
            <span class='kw-2'>&amp;</span><span class='ident'>PONG</span>(<span class='kw-2'>ref</span> <span class='ident'>s1</span>, <span class='kw-2'>ref</span> <span class='ident'>s2</span>) <span class='op'>=&gt;</span> <span class='ident'>PONG</span>(<span class='ident'>s</span>(<span class='ident'>s1</span>), <span class='ident'>so</span>(<span class='ident'>s2</span>)),
            _ <span class='op'>=&gt;</span> <span class='macro'>unimplemented</span><span class='macro'>!</span>()
        }
    }
}

</pre>
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generated by cgit v1.2.3 (git 2.25.1) at 2024-05-16 15:48:55 +0000