aboutsummaryrefslogtreecommitdiff
path: root/src/log/macros.rs.html
diff options
context:
space:
mode:
author2015-06-29 20:16:15 +0000
committer2015-06-29 20:16:15 +0000
commit64106c4d3d4ddba8c7bc2af75376e6d3d3d75601 (patch)
tree8c64d6e8be006486d975a651505fbbde61365cd6 /src/log/macros.rs.html
downloadirsc-64106c4d3d4ddba8c7bc2af75376e6d3d3d75601.tar.gz
irsc-64106c4d3d4ddba8c7bc2af75376e6d3d3d75601.tar.xz
irsc-64106c4d3d4ddba8c7bc2af75376e6d3d3d75601.zip
Update documentationgh-pages
Diffstat (limited to 'src/log/macros.rs.html')
-rw-r--r--src/log/macros.rs.html387
1 files changed, 387 insertions, 0 deletions
diff --git a/src/log/macros.rs.html b/src/log/macros.rs.html
new file mode 100644
index 0000000..cd4dd2a
--- /dev/null
+++ b/src/log/macros.rs.html
@@ -0,0 +1,387 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
+ <meta name="generator" content="rustdoc">
+ <meta name="description" content="Source to the Rust file `/home/travis/.cargo/registry/src/github.com-0a35038f75765ae4/log-0.3.1/src/macros.rs`.">
+ <meta name="keywords" content="rust, rustlang, rust-lang">
+
+ <title>macros.rs.html -- source</title>
+
+ <link rel="stylesheet" type="text/css" href="../../main.css">
+
+ <link rel="shortcut icon" href="http://www.rust-lang.org/favicon.ico">
+
+</head>
+<body class="rustdoc">
+ <!--[if lte IE 8]>
+ <div class="warning">
+ This old browser is unsupported and will most likely display funky
+ things.
+ </div>
+ <![endif]-->
+
+
+
+ <section class="sidebar">
+ <a href='../../log/index.html'><img src='http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='' width='100'></a>
+
+ </section>
+
+ <nav class="sub">
+ <form class="search-form js-only">
+ <div class="search-container">
+ <input class="search-input" name="search"
+ autocomplete="off"
+ placeholder="Click or press 'S' to search, '?' for more options..."
+ type="search">
+ </div>
+ </form>
+ </nav>
+
+ <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>
+<span id="6"> 6</span>
+<span id="7"> 7</span>
+<span id="8"> 8</span>
+<span id="9"> 9</span>
+<span id="10"> 10</span>
+<span id="11"> 11</span>
+<span id="12"> 12</span>
+<span id="13"> 13</span>
+<span id="14"> 14</span>
+<span id="15"> 15</span>
+<span id="16"> 16</span>
+<span id="17"> 17</span>
+<span id="18"> 18</span>
+<span id="19"> 19</span>
+<span id="20"> 20</span>
+<span id="21"> 21</span>
+<span id="22"> 22</span>
+<span id="23"> 23</span>
+<span id="24"> 24</span>
+<span id="25"> 25</span>
+<span id="26"> 26</span>
+<span id="27"> 27</span>
+<span id="28"> 28</span>
+<span id="29"> 29</span>
+<span id="30"> 30</span>
+<span id="31"> 31</span>
+<span id="32"> 32</span>
+<span id="33"> 33</span>
+<span id="34"> 34</span>
+<span id="35"> 35</span>
+<span id="36"> 36</span>
+<span id="37"> 37</span>
+<span id="38"> 38</span>
+<span id="39"> 39</span>
+<span id="40"> 40</span>
+<span id="41"> 41</span>
+<span id="42"> 42</span>
+<span id="43"> 43</span>
+<span id="44"> 44</span>
+<span id="45"> 45</span>
+<span id="46"> 46</span>
+<span id="47"> 47</span>
+<span id="48"> 48</span>
+<span id="49"> 49</span>
+<span id="50"> 50</span>
+<span id="51"> 51</span>
+<span id="52"> 52</span>
+<span id="53"> 53</span>
+<span id="54"> 54</span>
+<span id="55"> 55</span>
+<span id="56"> 56</span>
+<span id="57"> 57</span>
+<span id="58"> 58</span>
+<span id="59"> 59</span>
+<span id="60"> 60</span>
+<span id="61"> 61</span>
+<span id="62"> 62</span>
+<span id="63"> 63</span>
+<span id="64"> 64</span>
+<span id="65"> 65</span>
+<span id="66"> 66</span>
+<span id="67"> 67</span>
+<span id="68"> 68</span>
+<span id="69"> 69</span>
+<span id="70"> 70</span>
+<span id="71"> 71</span>
+<span id="72"> 72</span>
+<span id="73"> 73</span>
+<span id="74"> 74</span>
+<span id="75"> 75</span>
+<span id="76"> 76</span>
+<span id="77"> 77</span>
+<span id="78"> 78</span>
+<span id="79"> 79</span>
+<span id="80"> 80</span>
+<span id="81"> 81</span>
+<span id="82"> 82</span>
+<span id="83"> 83</span>
+<span id="84"> 84</span>
+<span id="85"> 85</span>
+<span id="86"> 86</span>
+<span id="87"> 87</span>
+<span id="88"> 88</span>
+<span id="89"> 89</span>
+<span id="90"> 90</span>
+<span id="91"> 91</span>
+<span id="92"> 92</span>
+<span id="93"> 93</span>
+<span id="94"> 94</span>
+<span id="95"> 95</span>
+<span id="96"> 96</span>
+<span id="97"> 97</span>
+<span id="98"> 98</span>
+<span id="99"> 99</span>
+<span id="100">100</span>
+<span id="101">101</span>
+<span id="102">102</span>
+<span id="103">103</span>
+<span id="104">104</span>
+<span id="105">105</span>
+<span id="106">106</span>
+<span id="107">107</span>
+<span id="108">108</span>
+<span id="109">109</span>
+<span id="110">110</span>
+<span id="111">111</span>
+<span id="112">112</span>
+<span id="113">113</span>
+<span id="114">114</span>
+<span id="115">115</span>
+<span id="116">116</span>
+<span id="117">117</span>
+<span id="118">118</span>
+<span id="119">119</span>
+<span id="120">120</span>
+<span id="121">121</span>
+<span id="122">122</span>
+<span id="123">123</span>
+<span id="124">124</span>
+<span id="125">125</span>
+<span id="126">126</span>
+<span id="127">127</span>
+<span id="128">128</span>
+<span id="129">129</span>
+<span id="130">130</span>
+<span id="131">131</span>
+<span id="132">132</span>
+<span id="133">133</span>
+<span id="134">134</span>
+<span id="135">135</span>
+<span id="136">136</span>
+<span id="137">137</span>
+<span id="138">138</span>
+<span id="139">139</span>
+<span id="140">140</span>
+<span id="141">141</span>
+<span id="142">142</span>
+<span id="143">143</span>
+<span id="144">144</span>
+<span id="145">145</span>
+</pre><pre class='rust '>
+<span class='comment'>// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT</span>
+<span class='comment'>// file at the top-level directory of this distribution and at</span>
+<span class='comment'>// http://rust-lang.org/COPYRIGHT.</span>
+<span class='comment'>//</span>
+<span class='comment'>// Licensed under the Apache License, Version 2.0 &lt;LICENSE-APACHE or</span>
+<span class='comment'>// http://www.apache.org/licenses/LICENSE-2.0&gt; or the MIT license</span>
+<span class='comment'>// &lt;LICENSE-MIT or http://opensource.org/licenses/MIT&gt;, at your</span>
+<span class='comment'>// option. This file may not be copied, modified, or distributed</span>
+<span class='comment'>// except according to those terms.</span>
+<span class='doccomment'>/// The standard logging macro.</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// This macro will generically log with the specified `LogLevel` and `format!`</span>
+<span class='doccomment'>/// based argument list.</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// The `log_level` cfg can be used to statically disable logging at various</span>
+<span class='doccomment'>/// levels.</span>
+<span class='attribute'>#[<span class='ident'>macro_export</span>]</span>
+<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>log</span> {
+ (<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>:<span class='ident'>expr</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>lvl</span>:<span class='ident'>expr</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>+</span>) <span class='op'>=&gt;</span> ({
+ <span class='kw'>static</span> <span class='ident'>LOC</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLocation</span> <span class='op'>=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLocation</span> {
+ <span class='ident'>__line</span>: <span class='macro'>line</span><span class='macro'>!</span>(),
+ <span class='ident'>__file</span>: <span class='macro'>file</span><span class='macro'>!</span>(),
+ <span class='ident'>__module_path</span>: <span class='macro'>module_path</span><span class='macro'>!</span>(),
+ };
+ <span class='kw'>let</span> <span class='ident'>lvl</span> <span class='op'>=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>lvl</span>;
+ <span class='kw'>if</span> <span class='op'>!</span><span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>log_level</span> <span class='op'>=</span> <span class='string'>&quot;off&quot;</span>) <span class='op'>&amp;&amp;</span>
+ (<span class='ident'>lvl</span> <span class='op'>&lt;=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Error</span> <span class='op'>||</span> <span class='op'>!</span><span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>log_level</span> <span class='op'>=</span> <span class='string'>&quot;error&quot;</span>)) <span class='op'>&amp;&amp;</span>
+ (<span class='ident'>lvl</span> <span class='op'>&lt;=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Warn</span> <span class='op'>||</span> <span class='op'>!</span><span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>log_level</span> <span class='op'>=</span> <span class='string'>&quot;warn&quot;</span>)) <span class='op'>&amp;&amp;</span>
+ (<span class='ident'>lvl</span> <span class='op'>&lt;=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Debug</span> <span class='op'>||</span> <span class='op'>!</span><span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>log_level</span> <span class='op'>=</span> <span class='string'>&quot;debug&quot;</span>)) <span class='op'>&amp;&amp;</span>
+ (<span class='ident'>lvl</span> <span class='op'>&lt;=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Info</span> <span class='op'>||</span> <span class='op'>!</span><span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>log_level</span> <span class='op'>=</span> <span class='string'>&quot;info&quot;</span>)) <span class='op'>&amp;&amp;</span>
+ <span class='ident'>lvl</span> <span class='op'>&lt;=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>max_log_level</span>() {
+ <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>__log</span>(<span class='ident'>lvl</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>, <span class='kw-2'>&amp;</span><span class='ident'>LOC</span>, <span class='macro'>format_args</span><span class='macro'>!</span>($(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>+</span>))
+ }
+ });
+ (<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>lvl</span>:<span class='ident'>expr</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>+</span>) <span class='op'>=&gt;</span> (<span class='macro'>log</span><span class='macro'>!</span>(<span class='ident'>target</span>: <span class='macro'>module_path</span><span class='macro'>!</span>(), <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>lvl</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>+</span>))
+}
+
+<span class='doccomment'>/// Logs a message at the error level.</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// Logging at this level is disabled if the `log_level = &quot;off&quot;` cfg is</span>
+<span class='doccomment'>/// present.</span>
+<span class='attribute'>#[<span class='ident'>macro_export</span>]</span>
+<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>error</span> {
+ (<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>:<span class='ident'>expr</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>*</span>) <span class='op'>=&gt;</span> (
+ <span class='macro'>log</span><span class='macro'>!</span>(<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Error</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>*</span>);
+ );
+ ($(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>*</span>) <span class='op'>=&gt;</span> (
+ <span class='macro'>log</span><span class='macro'>!</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Error</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>*</span>);
+ )
+}
+
+<span class='doccomment'>/// Logs a message at the warn level.</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// Logging at this level is disabled if any of the following cfgs are present:</span>
+<span class='doccomment'>/// `log_level = &quot;off&quot;` or `log_level = &quot;error&quot;`.</span>
+<span class='attribute'>#[<span class='ident'>macro_export</span>]</span>
+<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>warn</span> {
+ (<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>:<span class='ident'>expr</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>*</span>) <span class='op'>=&gt;</span> (
+ <span class='macro'>log</span><span class='macro'>!</span>(<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Warn</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>*</span>);
+ );
+ ($(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>*</span>) <span class='op'>=&gt;</span> (
+ <span class='macro'>log</span><span class='macro'>!</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Warn</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>*</span>);
+ )
+}
+
+<span class='doccomment'>/// Logs a message at the info level.</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// Logging at this level is disabled if any of the following cfgs are present:</span>
+<span class='doccomment'>/// `log_level = &quot;off&quot;`, `log_level = &quot;error&quot;`, or</span>
+<span class='doccomment'>/// `log_level = &quot;warn&quot;`.</span>
+<span class='attribute'>#[<span class='ident'>macro_export</span>]</span>
+<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>info</span> {
+ (<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>:<span class='ident'>expr</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>*</span>) <span class='op'>=&gt;</span> (
+ <span class='macro'>log</span><span class='macro'>!</span>(<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Info</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>*</span>);
+ );
+ ($(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>*</span>) <span class='op'>=&gt;</span> (
+ <span class='macro'>log</span><span class='macro'>!</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Info</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>*</span>);
+ )
+}
+
+<span class='doccomment'>/// Logs a message at the debug level.</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// Logging at this level is disabled if any of the following cfgs are present:</span>
+<span class='doccomment'>/// `log_level = &quot;off&quot;`, `log_level = &quot;error&quot;`, `log_level = &quot;warn&quot;`,</span>
+<span class='doccomment'>/// or `log_level = &quot;info&quot;`.</span>
+<span class='attribute'>#[<span class='ident'>macro_export</span>]</span>
+<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>debug</span> {
+ (<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>:<span class='ident'>expr</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>*</span>) <span class='op'>=&gt;</span> (
+ <span class='macro'>log</span><span class='macro'>!</span>(<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Debug</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>*</span>);
+ );
+ ($(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>*</span>) <span class='op'>=&gt;</span> (
+ <span class='macro'>log</span><span class='macro'>!</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Debug</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>*</span>);
+ )
+}
+
+<span class='doccomment'>/// Logs a message at the trace level.</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// Logging at this level is disabled if any of the following cfgs are present:</span>
+<span class='doccomment'>/// `log_level = &quot;off&quot;`, `log_level = &quot;error&quot;`, `log_level = &quot;warn&quot;`,</span>
+<span class='doccomment'>/// `log_level = &quot;info&quot;`, or `log_level = &quot;debug&quot;`.</span>
+<span class='attribute'>#[<span class='ident'>macro_export</span>]</span>
+<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>trace</span> {
+ (<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>:<span class='ident'>expr</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>*</span>) <span class='op'>=&gt;</span> (
+ <span class='macro'>log</span><span class='macro'>!</span>(<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Trace</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>*</span>);
+ );
+ ($(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>:<span class='ident'>tt</span>)<span class='op'>*</span>) <span class='op'>=&gt;</span> (
+ <span class='macro'>log</span><span class='macro'>!</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Trace</span>, $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>arg</span>)<span class='op'>*</span>);
+ )
+}
+
+<span class='doccomment'>/// Determines if a message logged at the specified level in that module will</span>
+<span class='doccomment'>/// be logged.</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// This can be used to avoid expensive computation of log message arguments if</span>
+<span class='doccomment'>/// the message would be ignored anyway.</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// # Examples</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// ```rust</span>
+<span class='doccomment'>/// # #[macro_use]</span>
+<span class='doccomment'>/// # extern crate log;</span>
+<span class='doccomment'>/// use log::LogLevel::Debug;</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// # fn foo() {</span>
+<span class='doccomment'>/// if log_enabled!(Debug) {</span>
+<span class='doccomment'>/// debug!(&quot;expensive debug data: {}&quot;, expensive_call());</span>
+<span class='doccomment'>/// }</span>
+<span class='doccomment'>/// # }</span>
+<span class='doccomment'>/// # fn expensive_call() -&gt; u32 { 0 }</span>
+<span class='doccomment'>/// # fn main() {}</span>
+<span class='doccomment'>/// ```</span>
+<span class='attribute'>#[<span class='ident'>macro_export</span>]</span>
+<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>log_enabled</span> {
+ (<span class='ident'>target</span>: <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>:<span class='ident'>expr</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>lvl</span>:<span class='ident'>expr</span>) <span class='op'>=&gt;</span> ({
+ <span class='kw'>let</span> <span class='ident'>lvl</span> <span class='op'>=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>lvl</span>;
+ <span class='op'>!</span><span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>log_level</span> <span class='op'>=</span> <span class='string'>&quot;off&quot;</span>) <span class='op'>&amp;&amp;</span>
+ (<span class='ident'>lvl</span> <span class='op'>&lt;=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Error</span> <span class='op'>||</span> <span class='op'>!</span><span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>log_level</span> <span class='op'>=</span> <span class='string'>&quot;error&quot;</span>)) <span class='op'>&amp;&amp;</span>
+ (<span class='ident'>lvl</span> <span class='op'>&lt;=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Warn</span> <span class='op'>||</span> <span class='op'>!</span><span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>log_level</span> <span class='op'>=</span> <span class='string'>&quot;warn&quot;</span>)) <span class='op'>&amp;&amp;</span>
+ (<span class='ident'>lvl</span> <span class='op'>&lt;=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Debug</span> <span class='op'>||</span> <span class='op'>!</span><span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>log_level</span> <span class='op'>=</span> <span class='string'>&quot;debug&quot;</span>)) <span class='op'>&amp;&amp;</span>
+ (<span class='ident'>lvl</span> <span class='op'>&lt;=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>LogLevel</span>::<span class='ident'>Info</span> <span class='op'>||</span> <span class='op'>!</span><span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>log_level</span> <span class='op'>=</span> <span class='string'>&quot;info&quot;</span>)) <span class='op'>&amp;&amp;</span>
+ <span class='ident'>lvl</span> <span class='op'>&lt;=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>max_log_level</span>() <span class='op'>&amp;&amp;</span>
+ <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>crate</span>::<span class='ident'>__enabled</span>(<span class='ident'>lvl</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>target</span>)
+ });
+ (<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>lvl</span>:<span class='ident'>expr</span>) <span class='op'>=&gt;</span> (<span class='macro'>log_enabled</span><span class='macro'>!</span>(<span class='ident'>target</span>: <span class='macro'>module_path</span><span class='macro'>!</span>(), <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>lvl</span>))
+}
+</pre>
+</section>
+ <section id='search' class="content hidden"></section>
+
+ <section class="footer"></section>
+
+ <div id="help" class="hidden">
+ <div class="shortcuts">
+ <h1>Keyboard shortcuts</h1>
+ <dl>
+ <dt>?</dt>
+ <dd>Show this help dialog</dd>
+ <dt>S</dt>
+ <dd>Focus the search field</dd>
+ <dt>&larrb;</dt>
+ <dd>Move up in search results</dd>
+ <dt>&rarrb;</dt>
+ <dd>Move down in search results</dd>
+ <dt>&#9166;</dt>
+ <dd>Go to active search result</dd>
+ </dl>
+ </div>
+ <div class="infos">
+ <h1>Search tricks</h1>
+ <p>
+ Prefix searches with a type followed by a colon (e.g.
+ <code>fn:</code>) to restrict the search to a given type.
+ </p>
+ <p>
+ Accepted types are: <code>fn</code>, <code>mod</code>,
+ <code>struct</code>, <code>enum</code>,
+ <code>trait</code>, <code>typedef</code> (or
+ <code>tdef</code>).
+ </p>
+ <p>
+ Search functions by type signature (e.g.
+ <code>vec -> usize</code>)
+ </p>
+ </div>
+ </div>
+
+
+
+ <script>
+ window.rootPath = "../../";
+ window.currentCrate = "log";
+ window.playgroundUrl = "";
+ </script>
+ <script src="../../jquery.js"></script>
+ <script src="../../main.js"></script>
+
+ <script async src="../../search-index.js"></script>
+</body>
+</html> \ No newline at end of file