| <!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 `crates/syntax/src/ast/operators.rs`."><title>operators.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="syntax" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.0 (254b59607 2026-01-19)" data-channel="1.93.0" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">syntax/ast/</div>operators.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="doccomment">//! Defines a bunch of data-less enums for unary and binary operators. |
| <a href=#2 id=2 data-nosnippet>2</a>//! |
| <a href=#3 id=3 data-nosnippet>3</a>//! Types here don't know about AST, this allows re-using them for both AST and |
| <a href=#4 id=4 data-nosnippet>4</a>//! HIR. |
| <a href=#5 id=5 data-nosnippet>5</a></span><span class="kw">use </span>std::fmt; |
| <a href=#6 id=6 data-nosnippet>6</a> |
| <a href=#7 id=7 data-nosnippet>7</a><span class="attr">#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] |
| <a href=#8 id=8 data-nosnippet>8</a></span><span class="kw">pub enum </span>RangeOp { |
| <a href=#9 id=9 data-nosnippet>9</a> <span class="doccomment">/// `..` |
| <a href=#10 id=10 data-nosnippet>10</a> </span>Exclusive, |
| <a href=#11 id=11 data-nosnippet>11</a> <span class="doccomment">/// `..=` |
| <a href=#12 id=12 data-nosnippet>12</a> </span>Inclusive, |
| <a href=#13 id=13 data-nosnippet>13</a>} |
| <a href=#14 id=14 data-nosnippet>14</a> |
| <a href=#15 id=15 data-nosnippet>15</a><span class="attr">#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] |
| <a href=#16 id=16 data-nosnippet>16</a></span><span class="kw">pub enum </span>UnaryOp { |
| <a href=#17 id=17 data-nosnippet>17</a> <span class="doccomment">/// `*` |
| <a href=#18 id=18 data-nosnippet>18</a> </span>Deref, |
| <a href=#19 id=19 data-nosnippet>19</a> <span class="doccomment">/// `!` |
| <a href=#20 id=20 data-nosnippet>20</a> </span>Not, |
| <a href=#21 id=21 data-nosnippet>21</a> <span class="doccomment">/// `-` |
| <a href=#22 id=22 data-nosnippet>22</a> </span>Neg, |
| <a href=#23 id=23 data-nosnippet>23</a>} |
| <a href=#24 id=24 data-nosnippet>24</a> |
| <a href=#25 id=25 data-nosnippet>25</a><span class="attr">#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] |
| <a href=#26 id=26 data-nosnippet>26</a></span><span class="kw">pub enum </span>BinaryOp { |
| <a href=#27 id=27 data-nosnippet>27</a> LogicOp(LogicOp), |
| <a href=#28 id=28 data-nosnippet>28</a> ArithOp(ArithOp), |
| <a href=#29 id=29 data-nosnippet>29</a> CmpOp(CmpOp), |
| <a href=#30 id=30 data-nosnippet>30</a> Assignment { op: <span class="prelude-ty">Option</span><ArithOp> }, |
| <a href=#31 id=31 data-nosnippet>31</a>} |
| <a href=#32 id=32 data-nosnippet>32</a> |
| <a href=#33 id=33 data-nosnippet>33</a><span class="attr">#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] |
| <a href=#34 id=34 data-nosnippet>34</a></span><span class="kw">pub enum </span>LogicOp { |
| <a href=#35 id=35 data-nosnippet>35</a> And, |
| <a href=#36 id=36 data-nosnippet>36</a> Or, |
| <a href=#37 id=37 data-nosnippet>37</a>} |
| <a href=#38 id=38 data-nosnippet>38</a> |
| <a href=#39 id=39 data-nosnippet>39</a><span class="attr">#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] |
| <a href=#40 id=40 data-nosnippet>40</a></span><span class="kw">pub enum </span>CmpOp { |
| <a href=#41 id=41 data-nosnippet>41</a> Eq { negated: bool }, |
| <a href=#42 id=42 data-nosnippet>42</a> Ord { ordering: Ordering, strict: bool }, |
| <a href=#43 id=43 data-nosnippet>43</a>} |
| <a href=#44 id=44 data-nosnippet>44</a> |
| <a href=#45 id=45 data-nosnippet>45</a><span class="attr">#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] |
| <a href=#46 id=46 data-nosnippet>46</a></span><span class="kw">pub enum </span>Ordering { |
| <a href=#47 id=47 data-nosnippet>47</a> Less, |
| <a href=#48 id=48 data-nosnippet>48</a> Greater, |
| <a href=#49 id=49 data-nosnippet>49</a>} |
| <a href=#50 id=50 data-nosnippet>50</a> |
| <a href=#51 id=51 data-nosnippet>51</a><span class="attr">#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] |
| <a href=#52 id=52 data-nosnippet>52</a></span><span class="kw">pub enum </span>ArithOp { |
| <a href=#53 id=53 data-nosnippet>53</a> Add, |
| <a href=#54 id=54 data-nosnippet>54</a> Mul, |
| <a href=#55 id=55 data-nosnippet>55</a> Sub, |
| <a href=#56 id=56 data-nosnippet>56</a> Div, |
| <a href=#57 id=57 data-nosnippet>57</a> Rem, |
| <a href=#58 id=58 data-nosnippet>58</a> Shl, |
| <a href=#59 id=59 data-nosnippet>59</a> Shr, |
| <a href=#60 id=60 data-nosnippet>60</a> BitXor, |
| <a href=#61 id=61 data-nosnippet>61</a> BitOr, |
| <a href=#62 id=62 data-nosnippet>62</a> BitAnd, |
| <a href=#63 id=63 data-nosnippet>63</a>} |
| <a href=#64 id=64 data-nosnippet>64</a> |
| <a href=#65 id=65 data-nosnippet>65</a><span class="kw">impl </span>fmt::Display <span class="kw">for </span>LogicOp { |
| <a href=#66 id=66 data-nosnippet>66</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| <a href=#67 id=67 data-nosnippet>67</a> <span class="kw">let </span>res = <span class="kw">match </span><span class="self">self </span>{ |
| <a href=#68 id=68 data-nosnippet>68</a> LogicOp::And => <span class="string">"&&"</span>, |
| <a href=#69 id=69 data-nosnippet>69</a> LogicOp::Or => <span class="string">"||"</span>, |
| <a href=#70 id=70 data-nosnippet>70</a> }; |
| <a href=#71 id=71 data-nosnippet>71</a> f.write_str(res) |
| <a href=#72 id=72 data-nosnippet>72</a> } |
| <a href=#73 id=73 data-nosnippet>73</a>} |
| <a href=#74 id=74 data-nosnippet>74</a> |
| <a href=#75 id=75 data-nosnippet>75</a><span class="kw">impl </span>fmt::Display <span class="kw">for </span>ArithOp { |
| <a href=#76 id=76 data-nosnippet>76</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| <a href=#77 id=77 data-nosnippet>77</a> <span class="kw">let </span>res = <span class="kw">match </span><span class="self">self </span>{ |
| <a href=#78 id=78 data-nosnippet>78</a> ArithOp::Add => <span class="string">"+"</span>, |
| <a href=#79 id=79 data-nosnippet>79</a> ArithOp::Mul => <span class="string">"*"</span>, |
| <a href=#80 id=80 data-nosnippet>80</a> ArithOp::Sub => <span class="string">"-"</span>, |
| <a href=#81 id=81 data-nosnippet>81</a> ArithOp::Div => <span class="string">"/"</span>, |
| <a href=#82 id=82 data-nosnippet>82</a> ArithOp::Rem => <span class="string">"%"</span>, |
| <a href=#83 id=83 data-nosnippet>83</a> ArithOp::Shl => <span class="string">"<<"</span>, |
| <a href=#84 id=84 data-nosnippet>84</a> ArithOp::Shr => <span class="string">">>"</span>, |
| <a href=#85 id=85 data-nosnippet>85</a> ArithOp::BitXor => <span class="string">"^"</span>, |
| <a href=#86 id=86 data-nosnippet>86</a> ArithOp::BitOr => <span class="string">"|"</span>, |
| <a href=#87 id=87 data-nosnippet>87</a> ArithOp::BitAnd => <span class="string">"&"</span>, |
| <a href=#88 id=88 data-nosnippet>88</a> }; |
| <a href=#89 id=89 data-nosnippet>89</a> f.write_str(res) |
| <a href=#90 id=90 data-nosnippet>90</a> } |
| <a href=#91 id=91 data-nosnippet>91</a>} |
| <a href=#92 id=92 data-nosnippet>92</a> |
| <a href=#93 id=93 data-nosnippet>93</a><span class="kw">impl </span>fmt::Display <span class="kw">for </span>CmpOp { |
| <a href=#94 id=94 data-nosnippet>94</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| <a href=#95 id=95 data-nosnippet>95</a> <span class="kw">let </span>res = <span class="kw">match </span><span class="self">self </span>{ |
| <a href=#96 id=96 data-nosnippet>96</a> CmpOp::Eq { negated: <span class="bool-val">false </span>} => <span class="string">"=="</span>, |
| <a href=#97 id=97 data-nosnippet>97</a> CmpOp::Eq { negated: <span class="bool-val">true </span>} => <span class="string">"!="</span>, |
| <a href=#98 id=98 data-nosnippet>98</a> CmpOp::Ord { ordering: Ordering::Less, strict: <span class="bool-val">false </span>} => <span class="string">"<="</span>, |
| <a href=#99 id=99 data-nosnippet>99</a> CmpOp::Ord { ordering: Ordering::Less, strict: <span class="bool-val">true </span>} => <span class="string">"<"</span>, |
| <a href=#100 id=100 data-nosnippet>100</a> CmpOp::Ord { ordering: Ordering::Greater, strict: <span class="bool-val">false </span>} => <span class="string">">="</span>, |
| <a href=#101 id=101 data-nosnippet>101</a> CmpOp::Ord { ordering: Ordering::Greater, strict: <span class="bool-val">true </span>} => <span class="string">">"</span>, |
| <a href=#102 id=102 data-nosnippet>102</a> }; |
| <a href=#103 id=103 data-nosnippet>103</a> f.write_str(res) |
| <a href=#104 id=104 data-nosnippet>104</a> } |
| <a href=#105 id=105 data-nosnippet>105</a>} |
| <a href=#106 id=106 data-nosnippet>106</a> |
| <a href=#107 id=107 data-nosnippet>107</a><span class="kw">impl </span>fmt::Display <span class="kw">for </span>BinaryOp { |
| <a href=#108 id=108 data-nosnippet>108</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| <a href=#109 id=109 data-nosnippet>109</a> <span class="kw">match </span><span class="self">self </span>{ |
| <a href=#110 id=110 data-nosnippet>110</a> BinaryOp::LogicOp(op) => fmt::Display::fmt(op, f), |
| <a href=#111 id=111 data-nosnippet>111</a> BinaryOp::ArithOp(op) => fmt::Display::fmt(op, f), |
| <a href=#112 id=112 data-nosnippet>112</a> BinaryOp::CmpOp(op) => fmt::Display::fmt(op, f), |
| <a href=#113 id=113 data-nosnippet>113</a> BinaryOp::Assignment { op } => { |
| <a href=#114 id=114 data-nosnippet>114</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(op) = op { |
| <a href=#115 id=115 data-nosnippet>115</a> fmt::Display::fmt(op, f)<span class="question-mark">?</span>; |
| <a href=#116 id=116 data-nosnippet>116</a> } |
| <a href=#117 id=117 data-nosnippet>117</a> f.write_str(<span class="string">"="</span>)<span class="question-mark">?</span>; |
| <a href=#118 id=118 data-nosnippet>118</a> <span class="prelude-val">Ok</span>(()) |
| <a href=#119 id=119 data-nosnippet>119</a> } |
| <a href=#120 id=120 data-nosnippet>120</a> } |
| <a href=#121 id=121 data-nosnippet>121</a> } |
| <a href=#122 id=122 data-nosnippet>122</a>} |
| </code></pre></div></section></main></body></html> |
