| <!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/serde_derive-1.0.163/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.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="../../serde_derive/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="../../serde_derive/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> |
| </pre><pre class="rust"><code><span class="doccomment">//! This crate provides Serde's two derive macros. |
| //! |
| //! ```edition2018 |
| //! # use serde_derive::{Serialize, Deserialize}; |
| //! # |
| //! #[derive(Serialize, Deserialize)] |
| //! # struct S; |
| //! # |
| //! # fn main() {} |
| //! ``` |
| //! |
| //! Please refer to [https://serde.rs/derive.html] for how to set this up. |
| //! |
| //! [https://serde.rs/derive.html]: https://serde.rs/derive.html |
| |
| </span><span class="attribute">#![doc(html_root_url = <span class="string">"https://docs.rs/serde_derive/1.0.163"</span>)] |
| #![allow(unknown_lints, bare_trait_objects)] |
| </span><span class="comment">// Ignored clippy lints |
| </span><span class="attribute">#![allow( |
| <span class="comment">// clippy false positive: https://github.com/rust-lang/rust-clippy/issues/7054 |
| </span>clippy::branches_sharing_code, |
| clippy::cognitive_complexity, |
| <span class="comment">// clippy bug: https://github.com/rust-lang/rust-clippy/issues/7575 |
| </span>clippy::collapsible_match, |
| clippy::derive_partial_eq_without_eq, |
| clippy::enum_variant_names, |
| <span class="comment">// clippy bug: https://github.com/rust-lang/rust-clippy/issues/6797 |
| </span>clippy::manual_map, |
| clippy::match_like_matches_macro, |
| clippy::needless_pass_by_value, |
| clippy::too_many_arguments, |
| clippy::trivially_copy_pass_by_ref, |
| clippy::used_underscore_binding, |
| clippy::wildcard_in_or_patterns, |
| <span class="comment">// clippy bug: https://github.com/rust-lang/rust-clippy/issues/5704 |
| </span>clippy::unnested_or_patterns, |
| )] |
| </span><span class="comment">// Ignored clippy_pedantic lints |
| </span><span class="attribute">#![allow( |
| clippy::cast_possible_truncation, |
| clippy::checked_conversions, |
| clippy::doc_markdown, |
| clippy::enum_glob_use, |
| clippy::indexing_slicing, |
| clippy::items_after_statements, |
| clippy::let_underscore_untyped, |
| clippy::manual_assert, |
| clippy::map_err_ignore, |
| clippy::match_same_arms, |
| <span class="comment">// clippy bug: https://github.com/rust-lang/rust-clippy/issues/6984 |
| </span>clippy::match_wildcard_for_single_variants, |
| clippy::module_name_repetitions, |
| clippy::must_use_candidate, |
| clippy::option_if_let_else, |
| clippy::similar_names, |
| clippy::single_match_else, |
| clippy::struct_excessive_bools, |
| clippy::too_many_lines, |
| clippy::unseparated_literal_suffix, |
| clippy::unused_self, |
| clippy::use_self, |
| clippy::wildcard_imports |
| )] |
| #![cfg_attr(all(test, exhaustive), feature(non_exhaustive_omitted_patterns_lint))] |
| |
| #[macro_use] |
| </span><span class="kw">extern crate </span>quote; |
| <span class="attribute">#[macro_use] |
| </span><span class="kw">extern crate </span>syn; |
| |
| <span class="kw">extern crate </span>proc_macro; |
| <span class="kw">extern crate </span>proc_macro2; |
| |
| <span class="kw">mod </span>internals; |
| |
| <span class="kw">use </span>proc_macro::TokenStream; |
| <span class="kw">use </span>syn::DeriveInput; |
| |
| <span class="attribute">#[macro_use] |
| </span><span class="kw">mod </span>bound; |
| <span class="attribute">#[macro_use] |
| </span><span class="kw">mod </span>fragment; |
| |
| <span class="kw">mod </span>de; |
| <span class="kw">mod </span>dummy; |
| <span class="kw">mod </span>pretend; |
| <span class="kw">mod </span>ser; |
| <span class="kw">mod </span>this; |
| <span class="kw">mod try</span>; |
| |
| <span class="attribute">#[proc_macro_derive(Serialize, attributes(serde))] |
| </span><span class="kw">pub fn </span>derive_serialize(input: TokenStream) -> TokenStream { |
| <span class="kw">let </span><span class="kw-2">mut </span>input = <span class="macro">parse_macro_input!</span>(input <span class="kw">as </span>DeriveInput); |
| ser::expand_derive_serialize(<span class="kw-2">&mut </span>input) |
| .unwrap_or_else(to_compile_errors) |
| .into() |
| } |
| |
| <span class="attribute">#[proc_macro_derive(Deserialize, attributes(serde))] |
| </span><span class="kw">pub fn </span>derive_deserialize(input: TokenStream) -> TokenStream { |
| <span class="kw">let </span><span class="kw-2">mut </span>input = <span class="macro">parse_macro_input!</span>(input <span class="kw">as </span>DeriveInput); |
| de::expand_derive_deserialize(<span class="kw-2">&mut </span>input) |
| .unwrap_or_else(to_compile_errors) |
| .into() |
| } |
| |
| <span class="kw">fn </span>to_compile_errors(errors: Vec<syn::Error>) -> proc_macro2::TokenStream { |
| <span class="kw">let </span>compile_errors = errors.iter().map(syn::Error::to_compile_error); |
| <span class="macro">quote!</span>(#(#compile_errors)<span class="kw-2">*</span>) |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="serde_derive" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
