forked from pola-rs/polars
-
Notifications
You must be signed in to change notification settings - Fork 0
/
lib.rs.html
441 lines (425 loc) · 25.7 KB
/
lib.rs.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
<!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 `/home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/strum-0.20.0/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
<link rel="alternate icon" type="image/png" href="../../favicon-16x16.png">
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">☰</div><a href='../../strum/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" height="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" height="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><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>
<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>
<span id="167">167</span>
<span id="168">168</span>
<span id="169">169</span>
<span id="170">170</span>
<span id="171">171</span>
<span id="172">172</span>
<span id="173">173</span>
<span id="174">174</span>
<span id="175">175</span>
<span id="176">176</span>
<span id="177">177</span>
<span id="178">178</span>
<span id="179">179</span>
<span id="180">180</span>
<span id="181">181</span>
<span id="182">182</span>
<span id="183">183</span>
<span id="184">184</span>
<span id="185">185</span>
<span id="186">186</span>
<span id="187">187</span>
<span id="188">188</span>
<span id="189">189</span>
<span id="190">190</span>
<span id="191">191</span>
<span id="192">192</span>
<span id="193">193</span>
<span id="194">194</span>
<span id="195">195</span>
<span id="196">196</span>
<span id="197">197</span>
<span id="198">198</span>
<span id="199">199</span>
<span id="200">200</span>
<span id="201">201</span>
<span id="202">202</span>
<span id="203">203</span>
<span id="204">204</span>
<span id="205">205</span>
<span id="206">206</span>
<span id="207">207</span>
<span id="208">208</span>
<span id="209">209</span>
<span id="210">210</span>
<span id="211">211</span>
<span id="212">212</span>
<span id="213">213</span>
<span id="214">214</span>
<span id="215">215</span>
<span id="216">216</span>
<span id="217">217</span>
</pre><div class="example-wrap"><pre class="rust ">
<span class="doccomment">//! # Strum</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! [](https://travis-ci.org/Peternator7/strum)</span>
<span class="doccomment">//! [](https://crates.io/crates/strum)</span>
<span class="doccomment">//! [](https://docs.rs/strum)</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! Strum is a set of macros and traits for working with</span>
<span class="doccomment">//! enums and strings easier in Rust.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! The full version of the README can be found on [Github](https://github.com/Peternator7/strum).</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! # Including Strum in Your Project</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! Import strum and strum_macros into your project by adding the following lines to your</span>
<span class="doccomment">//! Cargo.toml. Strum_macros contains the macros needed to derive all the traits in Strum.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! ```toml</span>
<span class="doccomment">//! [dependencies]</span>
<span class="doccomment">//! strum = "0.20"</span>
<span class="doccomment">//! strum_macros = "0.20"</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! # You can also access strum_macros exports directly through strum using the "derive" feature</span>
<span class="doccomment">//! strum = { version = "0.20", features = ["derive"] }</span>
<span class="doccomment">//! ```</span>
<span class="doccomment">//!</span>
<span class="attribute">#![<span class="ident">cfg_attr</span>(<span class="ident">docsrs</span>, <span class="ident">feature</span>(<span class="ident">doc_cfg</span>))]</span>
<span class="comment">// only for documentation purposes</span>
<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">additional_attributes</span>;
<span class="doccomment">/// The ParseError enum is a collection of all the possible reasons</span>
<span class="doccomment">/// an enum can fail to parse from a string.</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">Eq</span>, <span class="ident">PartialEq</span>, <span class="ident">Hash</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">ParseError</span> {
<span class="ident">VariantNotFound</span>,
}
<span class="kw">impl</span> <span class="ident">std</span>::<span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">ParseError</span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">std</span>::<span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">std</span>::<span class="ident">fmt</span>::<span class="ident">Error</span><span class="op">></span> {
<span class="comment">// We could use our macro here, but this way we don't take a dependency on the</span>
<span class="comment">// macros crate.</span>
<span class="kw">match</span> <span class="self">self</span> {
<span class="ident">ParseError</span>::<span class="ident">VariantNotFound</span> <span class="op">=</span><span class="op">></span> <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"Matching variant not found"</span>),
}
}
}
<span class="kw">impl</span> <span class="ident">std</span>::<span class="ident">error</span>::<span class="ident">Error</span> <span class="kw">for</span> <span class="ident">ParseError</span> {
<span class="kw">fn</span> <span class="ident">description</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="ident">str</span> {
<span class="kw">match</span> <span class="self">self</span> {
<span class="ident">ParseError</span>::<span class="ident">VariantNotFound</span> <span class="op">=</span><span class="op">></span> {
<span class="string">"Unable to find a variant of the given enum matching the string given. Matching \
can be extended with the Serialize attribute and is case sensitive."</span>
}
}
}
}
<span class="doccomment">/// This trait designates that an `Enum` can be iterated over. It can</span>
<span class="doccomment">/// be auto generated using `strum_macros` on your behalf.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # use std::fmt::Debug;</span>
<span class="doccomment">/// // You need to bring the type into scope to use it!!!</span>
<span class="doccomment">/// use strum::{EnumIter, IntoEnumIterator};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[derive(EnumIter, Debug)]</span>
<span class="doccomment">/// enum Color {</span>
<span class="doccomment">/// Red,</span>
<span class="doccomment">/// Green { range: usize },</span>
<span class="doccomment">/// Blue(usize),</span>
<span class="doccomment">/// Yellow,</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// // Iterate over the items in an enum and perform some function on them.</span>
<span class="doccomment">/// fn generic_iterator<E, F>(pred: F)</span>
<span class="doccomment">/// where</span>
<span class="doccomment">/// E: IntoEnumIterator,</span>
<span class="doccomment">/// F: Fn(E),</span>
<span class="doccomment">/// {</span>
<span class="doccomment">/// for e in E::iter() {</span>
<span class="doccomment">/// pred(e)</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// generic_iterator::<Color, _>(|color| println!("{:?}", color));</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">IntoEnumIterator</span>: <span class="ident">Sized</span> {
<span class="kw">type</span> <span class="ident">Iterator</span>: <span class="ident">Iterator</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="self">Self</span><span class="op">></span>;
<span class="kw">fn</span> <span class="ident">iter</span>() <span class="op">-</span><span class="op">></span> <span class="self">Self</span>::<span class="ident">Iterator</span>;
}
<span class="doccomment">/// Associates additional pieces of information with an Enum. This can be</span>
<span class="doccomment">/// autoimplemented by deriving `EnumMessage` and annotating your variants with</span>
<span class="doccomment">/// `#[strum(message="...")].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # use std::fmt::Debug;</span>
<span class="doccomment">/// // You need to bring the type into scope to use it!!!</span>
<span class="doccomment">/// use strum::EnumMessage;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[derive(PartialEq, Eq, Debug, EnumMessage)]</span>
<span class="doccomment">/// enum Pet {</span>
<span class="doccomment">/// #[strum(message="I have a dog")]</span>
<span class="doccomment">/// #[strum(detailed_message="My dog's name is Spots")]</span>
<span class="doccomment">/// Dog,</span>
<span class="doccomment">/// #[strum(message="I don't have a cat")]</span>
<span class="doccomment">/// Cat,</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let my_pet = Pet::Dog;</span>
<span class="doccomment">/// assert_eq!("I have a dog", my_pet.get_message().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">EnumMessage</span> {
<span class="kw">fn</span> <span class="ident">get_message</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">str</span><span class="op">></span>;
<span class="kw">fn</span> <span class="ident">get_detailed_message</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">str</span><span class="op">></span>;
<span class="kw">fn</span> <span class="ident">get_serializations</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span>[<span class="kw-2">&</span><span class="ident">str</span>];
}
<span class="doccomment">/// EnumProperty is a trait that makes it possible to store additional information</span>
<span class="doccomment">/// with enum variants. This trait is designed to be used with the macro of the same</span>
<span class="doccomment">/// name in the `strum_macros` crate. Currently, the only string literals are supported</span>
<span class="doccomment">/// in attributes, the other methods will be implemented as additional attribute types</span>
<span class="doccomment">/// become stabilized.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # use std::fmt::Debug;</span>
<span class="doccomment">/// // You need to bring the type into scope to use it!!!</span>
<span class="doccomment">/// use strum::EnumProperty;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// #[derive(PartialEq, Eq, Debug, EnumProperty)]</span>
<span class="doccomment">/// enum Class {</span>
<span class="doccomment">/// #[strum(props(Teacher="Ms.Frizzle", Room="201"))]</span>
<span class="doccomment">/// History,</span>
<span class="doccomment">/// #[strum(props(Teacher="Mr.Smith"))]</span>
<span class="doccomment">/// #[strum(props(Room="103"))]</span>
<span class="doccomment">/// Mathematics,</span>
<span class="doccomment">/// #[strum(props(Time="2:30"))]</span>
<span class="doccomment">/// Science,</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let history = Class::History;</span>
<span class="doccomment">/// assert_eq!("Ms.Frizzle", history.get_str("Teacher").unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">EnumProperty</span> {
<span class="kw">fn</span> <span class="ident">get_str</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">prop</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span><span class="op">></span>;
<span class="kw">fn</span> <span class="ident">get_int</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">_prop</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="prelude-ty">Option</span>::<span class="prelude-val">None</span>
}
<span class="kw">fn</span> <span class="ident">get_bool</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">_prop</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">bool</span><span class="op">></span> {
<span class="prelude-ty">Option</span>::<span class="prelude-val">None</span>
}
}
<span class="doccomment">/// A cheap reference-to-reference conversion. Used to convert a value to a</span>
<span class="doccomment">/// reference value with `'static` lifetime within generic code.</span>
<span class="doccomment">/// #[deprecated(since="0.13.0", note="please use `#[derive(IntoStaticStr)]` instead")]</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">AsStaticRef</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="question-mark">?</span><span class="ident">Sized</span>,
{
<span class="kw">fn</span> <span class="ident">as_static</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">T</span>;
}
<span class="doccomment">/// A trait for capturing the number of variants in Enum. This trait can be autoderived by</span>
<span class="doccomment">/// `strum_macros`.</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">EnumCount</span> {
<span class="kw">const</span> <span class="ident">COUNT</span>: <span class="ident">usize</span>;
}
<span class="doccomment">/// A trait for retrieving the names of each variant in Enum. This trait can</span>
<span class="doccomment">/// be autoderived by `strum_macros`.</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">VariantNames</span> {
<span class="doccomment">/// Names of the variants of this enum</span>
<span class="kw">const</span> <span class="ident">VARIANTS</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>];
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"derive"</span>)]</span>
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">strum_macros</span>::<span class="kw-2">*</span>;
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">DocumentMacroRexports</span> {
($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">export</span>:<span class="ident">ident</span>),<span class="op">+</span>) <span class="op">=</span><span class="op">></span> {
$(
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">docsrs</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"derive"</span>))]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">docsrs</span>, <span class="ident">doc</span>(<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"derive"</span>)))]</span>
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">strum_macros</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">export</span>;
)<span class="op">+</span>
};
}
<span class="comment">// We actually only re-export these items individually if we're building</span>
<span class="comment">// for docsrs. You can do a weird thing where you rename the macro</span>
<span class="comment">// and then reference it through strum. The renaming feature should be deprecated now that</span>
<span class="comment">// 2018 edition is almost 2 years old, but we'll need to give people some time to do that.</span>
<span class="macro">DocumentMacroRexports</span><span class="macro">!</span> {
<span class="ident">AsRefStr</span>,
<span class="ident">AsStaticStr</span>,
<span class="ident">Display</span>,
<span class="ident">EnumCount</span>,
<span class="ident">EnumDiscriminants</span>,
<span class="ident">EnumIter</span>,
<span class="ident">EnumMessage</span>,
<span class="ident">EnumProperty</span>,
<span class="ident">EnumString</span>,
<span class="ident">EnumVariantNames</span>,
<span class="ident">IntoStaticStr</span>,
<span class="ident">ToString</span>
}
</pre></div>
</section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../../" data-current-crate="strum" data-search-js="../../search-index.js"></div>
<script src="../../main.js"></script><script src="../../source-script.js"></script><script src="../../source-files.js"></script></body></html>