| <!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 of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/toml-0.5.11/src/spanned.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>spanned.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../toml/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../toml/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-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> |
| <span id="146">146</span> |
| <span id="147">147</span> |
| <span id="148">148</span> |
| <span id="149">149</span> |
| <span id="150">150</span> |
| <span id="151">151</span> |
| <span id="152">152</span> |
| <span id="153">153</span> |
| <span id="154">154</span> |
| <span id="155">155</span> |
| <span id="156">156</span> |
| <span id="157">157</span> |
| <span id="158">158</span> |
| <span id="159">159</span> |
| <span id="160">160</span> |
| <span id="161">161</span> |
| <span id="162">162</span> |
| <span id="163">163</span> |
| <span id="164">164</span> |
| <span id="165">165</span> |
| <span id="166">166</span> |
| </pre><pre class="rust"><code><span class="kw">use </span>serde::{de, ser}; |
| <span class="kw">use </span>std::borrow::Borrow; |
| <span class="kw">use </span>std::cmp::Ordering; |
| <span class="kw">use </span>std::fmt; |
| <span class="kw">use </span>std::hash::{Hash, Hasher}; |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const </span>NAME: <span class="kw-2">&</span>str = <span class="string">"$__toml_private_Spanned"</span>; |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const </span>START: <span class="kw-2">&</span>str = <span class="string">"$__toml_private_start"</span>; |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const </span>END: <span class="kw-2">&</span>str = <span class="string">"$__toml_private_end"</span>; |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const </span>VALUE: <span class="kw-2">&</span>str = <span class="string">"$__toml_private_value"</span>; |
| |
| <span class="doccomment">/// A spanned value, indicating the range at which it is defined in the source. |
| /// |
| /// ``` |
| /// use serde_derive::Deserialize; |
| /// use toml::Spanned; |
| /// |
| /// #[derive(Deserialize)] |
| /// struct Value { |
| /// s: Spanned<String>, |
| /// } |
| /// |
| /// let t = "s = \"value\"\n"; |
| /// |
| /// let u: Value = toml::from_str(t).unwrap(); |
| /// |
| /// assert_eq!(u.s.start(), 4); |
| /// assert_eq!(u.s.end(), 11); |
| /// assert_eq!(u.s.get_ref(), "value"); |
| /// assert_eq!(u.s.into_inner(), String::from("value")); |
| /// ``` |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>Spanned<T> { |
| <span class="doccomment">/// The start range. |
| </span>start: usize, |
| <span class="doccomment">/// The end range (exclusive). |
| </span>end: usize, |
| <span class="doccomment">/// The spanned value. |
| </span>value: T, |
| } |
| |
| <span class="kw">impl</span><T> Spanned<T> { |
| <span class="doccomment">/// Access the start of the span of the contained value. |
| </span><span class="kw">pub fn </span>start(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="self">self</span>.start |
| } |
| |
| <span class="doccomment">/// Access the end of the span of the contained value. |
| </span><span class="kw">pub fn </span>end(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="self">self</span>.end |
| } |
| |
| <span class="doccomment">/// Get the span of the contained value. |
| </span><span class="kw">pub fn </span>span(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, usize) { |
| (<span class="self">self</span>.start, <span class="self">self</span>.end) |
| } |
| |
| <span class="doccomment">/// Consumes the spanned value and returns the contained value. |
| </span><span class="kw">pub fn </span>into_inner(<span class="self">self</span>) -> T { |
| <span class="self">self</span>.value |
| } |
| |
| <span class="doccomment">/// Returns a reference to the contained value. |
| </span><span class="kw">pub fn </span>get_ref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>T { |
| <span class="kw-2">&</span><span class="self">self</span>.value |
| } |
| |
| <span class="doccomment">/// Returns a mutable reference to the contained value. |
| </span><span class="kw">pub fn </span>get_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>T { |
| <span class="kw-2">&mut </span><span class="self">self</span>.value |
| } |
| } |
| |
| <span class="kw">impl </span>Borrow<str> <span class="kw">for </span>Spanned<String> { |
| <span class="kw">fn </span>borrow(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str { |
| <span class="self">self</span>.get_ref() |
| } |
| } |
| |
| <span class="kw">impl</span><T: PartialEq> PartialEq <span class="kw">for </span>Spanned<T> { |
| <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span><span class="self">Self</span>) -> bool { |
| <span class="self">self</span>.value.eq(<span class="kw-2">&</span>other.value) |
| } |
| } |
| |
| <span class="kw">impl</span><T: Eq> Eq <span class="kw">for </span>Spanned<T> {} |
| |
| <span class="kw">impl</span><T: Hash> Hash <span class="kw">for </span>Spanned<T> { |
| <span class="kw">fn </span>hash<H: Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { |
| <span class="self">self</span>.value.hash(state); |
| } |
| } |
| |
| <span class="kw">impl</span><T: PartialOrd> PartialOrd <span class="kw">for </span>Spanned<T> { |
| <span class="kw">fn </span>partial_cmp(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span><span class="self">Self</span>) -> <span class="prelude-ty">Option</span><Ordering> { |
| <span class="self">self</span>.value.partial_cmp(<span class="kw-2">&</span>other.value) |
| } |
| } |
| |
| <span class="kw">impl</span><T: Ord> Ord <span class="kw">for </span>Spanned<T> { |
| <span class="kw">fn </span>cmp(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span><span class="self">Self</span>) -> Ordering { |
| <span class="self">self</span>.value.cmp(<span class="kw-2">&</span>other.value) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>, T> de::Deserialize<<span class="lifetime">'de</span>> <span class="kw">for </span>Spanned<T> |
| <span class="kw">where |
| </span>T: de::Deserialize<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">fn </span>deserialize<D>(deserializer: D) -> <span class="prelude-ty">Result</span><Spanned<T>, D::Error> |
| <span class="kw">where |
| </span>D: de::Deserializer<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">struct </span>SpannedVisitor<T>(::std::marker::PhantomData<T>); |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>, T> de::Visitor<<span class="lifetime">'de</span>> <span class="kw">for </span>SpannedVisitor<T> |
| <span class="kw">where |
| </span>T: de::Deserialize<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">type </span>Value = Spanned<T>; |
| |
| <span class="kw">fn </span>expecting(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| formatter.write_str(<span class="string">"a TOML spanned"</span>) |
| } |
| |
| <span class="kw">fn </span>visit_map<V>(<span class="self">self</span>, <span class="kw-2">mut </span>visitor: V) -> <span class="prelude-ty">Result</span><Spanned<T>, V::Error> |
| <span class="kw">where |
| </span>V: de::MapAccess<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">if </span>visitor.next_key()<span class="question-mark">? </span>!= <span class="prelude-val">Some</span>(START) { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(de::Error::custom(<span class="string">"spanned start key not found"</span>)); |
| } |
| |
| <span class="kw">let </span>start: usize = visitor.next_value()<span class="question-mark">?</span>; |
| |
| <span class="kw">if </span>visitor.next_key()<span class="question-mark">? </span>!= <span class="prelude-val">Some</span>(END) { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(de::Error::custom(<span class="string">"spanned end key not found"</span>)); |
| } |
| |
| <span class="kw">let </span>end: usize = visitor.next_value()<span class="question-mark">?</span>; |
| |
| <span class="kw">if </span>visitor.next_key()<span class="question-mark">? </span>!= <span class="prelude-val">Some</span>(VALUE) { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(de::Error::custom(<span class="string">"spanned value key not found"</span>)); |
| } |
| |
| <span class="kw">let </span>value: T = visitor.next_value()<span class="question-mark">?</span>; |
| |
| <span class="prelude-val">Ok</span>(Spanned { start, end, value }) |
| } |
| } |
| |
| <span class="kw">let </span>visitor = SpannedVisitor(::std::marker::PhantomData); |
| |
| <span class="kw">static </span>FIELDS: [<span class="kw-2">&</span>str; <span class="number">3</span>] = [START, END, VALUE]; |
| deserializer.deserialize_struct(NAME, <span class="kw-2">&</span>FIELDS, visitor) |
| } |
| } |
| |
| <span class="kw">impl</span><T: ser::Serialize> ser::Serialize <span class="kw">for </span>Spanned<T> { |
| <span class="kw">fn </span>serialize<S>(<span class="kw-2">&</span><span class="self">self</span>, serializer: S) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> |
| <span class="kw">where |
| </span>S: ser::Serializer, |
| { |
| <span class="self">self</span>.value.serialize(serializer) |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="toml" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
