| <!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-1ecc6299db9ec823/bitflags-0.7.0/src/lib.rs`."> |
| <meta name="keywords" content="rust, rustlang, rust-lang"> |
| |
| <title>lib.rs.html -- source</title> |
| |
| <link rel="stylesheet" type="text/css" href="../../normalize.css"> |
| <link rel="stylesheet" type="text/css" href="../../rustdoc.css"> |
| <link rel="stylesheet" type="text/css" href="../../main.css"> |
| |
| |
| |
| |
| </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"> |
| |
| |
| </nav> |
| |
| <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"><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> |
| <span id="218">218</span> |
| <span id="219">219</span> |
| <span id="220">220</span> |
| <span id="221">221</span> |
| <span id="222">222</span> |
| <span id="223">223</span> |
| <span id="224">224</span> |
| <span id="225">225</span> |
| <span id="226">226</span> |
| <span id="227">227</span> |
| <span id="228">228</span> |
| <span id="229">229</span> |
| <span id="230">230</span> |
| <span id="231">231</span> |
| <span id="232">232</span> |
| <span id="233">233</span> |
| <span id="234">234</span> |
| <span id="235">235</span> |
| <span id="236">236</span> |
| <span id="237">237</span> |
| <span id="238">238</span> |
| <span id="239">239</span> |
| <span id="240">240</span> |
| <span id="241">241</span> |
| <span id="242">242</span> |
| <span id="243">243</span> |
| <span id="244">244</span> |
| <span id="245">245</span> |
| <span id="246">246</span> |
| <span id="247">247</span> |
| <span id="248">248</span> |
| <span id="249">249</span> |
| <span id="250">250</span> |
| <span id="251">251</span> |
| <span id="252">252</span> |
| <span id="253">253</span> |
| <span id="254">254</span> |
| <span id="255">255</span> |
| <span id="256">256</span> |
| <span id="257">257</span> |
| <span id="258">258</span> |
| <span id="259">259</span> |
| <span id="260">260</span> |
| <span id="261">261</span> |
| <span id="262">262</span> |
| <span id="263">263</span> |
| <span id="264">264</span> |
| <span id="265">265</span> |
| <span id="266">266</span> |
| <span id="267">267</span> |
| <span id="268">268</span> |
| <span id="269">269</span> |
| <span id="270">270</span> |
| <span id="271">271</span> |
| <span id="272">272</span> |
| <span id="273">273</span> |
| <span id="274">274</span> |
| <span id="275">275</span> |
| <span id="276">276</span> |
| <span id="277">277</span> |
| <span id="278">278</span> |
| <span id="279">279</span> |
| <span id="280">280</span> |
| <span id="281">281</span> |
| <span id="282">282</span> |
| <span id="283">283</span> |
| <span id="284">284</span> |
| <span id="285">285</span> |
| <span id="286">286</span> |
| <span id="287">287</span> |
| <span id="288">288</span> |
| <span id="289">289</span> |
| <span id="290">290</span> |
| <span id="291">291</span> |
| <span id="292">292</span> |
| <span id="293">293</span> |
| <span id="294">294</span> |
| <span id="295">295</span> |
| <span id="296">296</span> |
| <span id="297">297</span> |
| <span id="298">298</span> |
| <span id="299">299</span> |
| <span id="300">300</span> |
| <span id="301">301</span> |
| <span id="302">302</span> |
| <span id="303">303</span> |
| <span id="304">304</span> |
| <span id="305">305</span> |
| <span id="306">306</span> |
| <span id="307">307</span> |
| <span id="308">308</span> |
| <span id="309">309</span> |
| <span id="310">310</span> |
| <span id="311">311</span> |
| <span id="312">312</span> |
| <span id="313">313</span> |
| <span id="314">314</span> |
| <span id="315">315</span> |
| <span id="316">316</span> |
| <span id="317">317</span> |
| <span id="318">318</span> |
| <span id="319">319</span> |
| <span id="320">320</span> |
| <span id="321">321</span> |
| <span id="322">322</span> |
| <span id="323">323</span> |
| <span id="324">324</span> |
| <span id="325">325</span> |
| <span id="326">326</span> |
| <span id="327">327</span> |
| <span id="328">328</span> |
| <span id="329">329</span> |
| <span id="330">330</span> |
| <span id="331">331</span> |
| <span id="332">332</span> |
| <span id="333">333</span> |
| <span id="334">334</span> |
| <span id="335">335</span> |
| <span id="336">336</span> |
| <span id="337">337</span> |
| <span id="338">338</span> |
| <span id="339">339</span> |
| <span id="340">340</span> |
| <span id="341">341</span> |
| <span id="342">342</span> |
| <span id="343">343</span> |
| <span id="344">344</span> |
| <span id="345">345</span> |
| <span id="346">346</span> |
| <span id="347">347</span> |
| <span id="348">348</span> |
| <span id="349">349</span> |
| <span id="350">350</span> |
| <span id="351">351</span> |
| <span id="352">352</span> |
| <span id="353">353</span> |
| <span id="354">354</span> |
| <span id="355">355</span> |
| <span id="356">356</span> |
| <span id="357">357</span> |
| <span id="358">358</span> |
| <span id="359">359</span> |
| <span id="360">360</span> |
| <span id="361">361</span> |
| <span id="362">362</span> |
| <span id="363">363</span> |
| <span id="364">364</span> |
| <span id="365">365</span> |
| <span id="366">366</span> |
| <span id="367">367</span> |
| <span id="368">368</span> |
| <span id="369">369</span> |
| <span id="370">370</span> |
| <span id="371">371</span> |
| <span id="372">372</span> |
| <span id="373">373</span> |
| <span id="374">374</span> |
| <span id="375">375</span> |
| <span id="376">376</span> |
| <span id="377">377</span> |
| <span id="378">378</span> |
| <span id="379">379</span> |
| <span id="380">380</span> |
| <span id="381">381</span> |
| <span id="382">382</span> |
| <span id="383">383</span> |
| <span id="384">384</span> |
| <span id="385">385</span> |
| <span id="386">386</span> |
| <span id="387">387</span> |
| <span id="388">388</span> |
| <span id="389">389</span> |
| <span id="390">390</span> |
| <span id="391">391</span> |
| <span id="392">392</span> |
| <span id="393">393</span> |
| <span id="394">394</span> |
| <span id="395">395</span> |
| <span id="396">396</span> |
| <span id="397">397</span> |
| <span id="398">398</span> |
| <span id="399">399</span> |
| <span id="400">400</span> |
| <span id="401">401</span> |
| <span id="402">402</span> |
| <span id="403">403</span> |
| <span id="404">404</span> |
| <span id="405">405</span> |
| <span id="406">406</span> |
| <span id="407">407</span> |
| <span id="408">408</span> |
| <span id="409">409</span> |
| <span id="410">410</span> |
| <span id="411">411</span> |
| <span id="412">412</span> |
| <span id="413">413</span> |
| <span id="414">414</span> |
| <span id="415">415</span> |
| <span id="416">416</span> |
| <span id="417">417</span> |
| <span id="418">418</span> |
| <span id="419">419</span> |
| <span id="420">420</span> |
| <span id="421">421</span> |
| <span id="422">422</span> |
| <span id="423">423</span> |
| <span id="424">424</span> |
| <span id="425">425</span> |
| <span id="426">426</span> |
| <span id="427">427</span> |
| <span id="428">428</span> |
| <span id="429">429</span> |
| <span id="430">430</span> |
| <span id="431">431</span> |
| <span id="432">432</span> |
| <span id="433">433</span> |
| <span id="434">434</span> |
| <span id="435">435</span> |
| <span id="436">436</span> |
| <span id="437">437</span> |
| <span id="438">438</span> |
| <span id="439">439</span> |
| <span id="440">440</span> |
| <span id="441">441</span> |
| <span id="442">442</span> |
| <span id="443">443</span> |
| <span id="444">444</span> |
| <span id="445">445</span> |
| <span id="446">446</span> |
| <span id="447">447</span> |
| <span id="448">448</span> |
| <span id="449">449</span> |
| <span id="450">450</span> |
| <span id="451">451</span> |
| <span id="452">452</span> |
| <span id="453">453</span> |
| <span id="454">454</span> |
| <span id="455">455</span> |
| <span id="456">456</span> |
| <span id="457">457</span> |
| <span id="458">458</span> |
| <span id="459">459</span> |
| <span id="460">460</span> |
| <span id="461">461</span> |
| <span id="462">462</span> |
| <span id="463">463</span> |
| <span id="464">464</span> |
| <span id="465">465</span> |
| <span id="466">466</span> |
| <span id="467">467</span> |
| <span id="468">468</span> |
| <span id="469">469</span> |
| <span id="470">470</span> |
| <span id="471">471</span> |
| <span id="472">472</span> |
| <span id="473">473</span> |
| <span id="474">474</span> |
| <span id="475">475</span> |
| <span id="476">476</span> |
| <span id="477">477</span> |
| <span id="478">478</span> |
| <span id="479">479</span> |
| <span id="480">480</span> |
| <span id="481">481</span> |
| <span id="482">482</span> |
| <span id="483">483</span> |
| <span id="484">484</span> |
| <span id="485">485</span> |
| <span id="486">486</span> |
| <span id="487">487</span> |
| <span id="488">488</span> |
| <span id="489">489</span> |
| <span id="490">490</span> |
| <span id="491">491</span> |
| <span id="492">492</span> |
| <span id="493">493</span> |
| <span id="494">494</span> |
| <span id="495">495</span> |
| <span id="496">496</span> |
| <span id="497">497</span> |
| <span id="498">498</span> |
| <span id="499">499</span> |
| <span id="500">500</span> |
| <span id="501">501</span> |
| <span id="502">502</span> |
| <span id="503">503</span> |
| <span id="504">504</span> |
| <span id="505">505</span> |
| <span id="506">506</span> |
| <span id="507">507</span> |
| <span id="508">508</span> |
| <span id="509">509</span> |
| <span id="510">510</span> |
| <span id="511">511</span> |
| <span id="512">512</span> |
| <span id="513">513</span> |
| <span id="514">514</span> |
| <span id="515">515</span> |
| <span id="516">516</span> |
| <span id="517">517</span> |
| <span id="518">518</span> |
| <span id="519">519</span> |
| <span id="520">520</span> |
| <span id="521">521</span> |
| <span id="522">522</span> |
| <span id="523">523</span> |
| <span id="524">524</span> |
| <span id="525">525</span> |
| <span id="526">526</span> |
| <span id="527">527</span> |
| <span id="528">528</span> |
| <span id="529">529</span> |
| <span id="530">530</span> |
| <span id="531">531</span> |
| <span id="532">532</span> |
| <span id="533">533</span> |
| <span id="534">534</span> |
| <span id="535">535</span> |
| <span id="536">536</span> |
| <span id="537">537</span> |
| <span id="538">538</span> |
| <span id="539">539</span> |
| <span id="540">540</span> |
| <span id="541">541</span> |
| <span id="542">542</span> |
| <span id="543">543</span> |
| <span id="544">544</span> |
| <span id="545">545</span> |
| <span id="546">546</span> |
| <span id="547">547</span> |
| <span id="548">548</span> |
| <span id="549">549</span> |
| <span id="550">550</span> |
| <span id="551">551</span> |
| <span id="552">552</span> |
| <span id="553">553</span> |
| <span id="554">554</span> |
| <span id="555">555</span> |
| <span id="556">556</span> |
| <span id="557">557</span> |
| <span id="558">558</span> |
| <span id="559">559</span> |
| <span id="560">560</span> |
| <span id="561">561</span> |
| <span id="562">562</span> |
| <span id="563">563</span> |
| <span id="564">564</span> |
| <span id="565">565</span> |
| <span id="566">566</span> |
| <span id="567">567</span> |
| <span id="568">568</span> |
| <span id="569">569</span> |
| <span id="570">570</span> |
| <span id="571">571</span> |
| <span id="572">572</span> |
| <span id="573">573</span> |
| <span id="574">574</span> |
| <span id="575">575</span> |
| <span id="576">576</span> |
| <span id="577">577</span> |
| <span id="578">578</span> |
| <span id="579">579</span> |
| <span id="580">580</span> |
| <span id="581">581</span> |
| <span id="582">582</span> |
| <span id="583">583</span> |
| <span id="584">584</span> |
| <span id="585">585</span> |
| <span id="586">586</span> |
| <span id="587">587</span> |
| <span id="588">588</span> |
| <span id="589">589</span> |
| <span id="590">590</span> |
| <span id="591">591</span> |
| <span id="592">592</span> |
| <span id="593">593</span> |
| <span id="594">594</span> |
| <span id="595">595</span> |
| <span id="596">596</span> |
| <span id="597">597</span> |
| <span id="598">598</span> |
| <span id="599">599</span> |
| <span id="600">600</span> |
| <span id="601">601</span> |
| <span id="602">602</span> |
| <span id="603">603</span> |
| <span id="604">604</span> |
| <span id="605">605</span> |
| <span id="606">606</span> |
| <span id="607">607</span> |
| <span id="608">608</span> |
| <span id="609">609</span> |
| <span id="610">610</span> |
| <span id="611">611</span> |
| <span id="612">612</span> |
| <span id="613">613</span> |
| <span id="614">614</span> |
| <span id="615">615</span> |
| <span id="616">616</span> |
| <span id="617">617</span> |
| <span id="618">618</span> |
| <span id="619">619</span> |
| <span id="620">620</span> |
| <span id="621">621</span> |
| <span id="622">622</span> |
| <span id="623">623</span> |
| <span id="624">624</span> |
| <span id="625">625</span> |
| <span id="626">626</span> |
| <span id="627">627</span> |
| <span id="628">628</span> |
| <span id="629">629</span> |
| <span id="630">630</span> |
| <span id="631">631</span> |
| <span id="632">632</span> |
| <span id="633">633</span> |
| <span id="634">634</span> |
| <span id="635">635</span> |
| <span id="636">636</span> |
| <span id="637">637</span> |
| <span id="638">638</span> |
| <span id="639">639</span> |
| <span id="640">640</span> |
| <span id="641">641</span> |
| <span id="642">642</span> |
| <span id="643">643</span> |
| <span id="644">644</span> |
| <span id="645">645</span> |
| <span id="646">646</span> |
| <span id="647">647</span> |
| <span id="648">648</span> |
| <span id="649">649</span> |
| <span id="650">650</span> |
| <span id="651">651</span> |
| <span id="652">652</span> |
| <span id="653">653</span> |
| <span id="654">654</span> |
| <span id="655">655</span> |
| <span id="656">656</span> |
| <span id="657">657</span> |
| <span id="658">658</span> |
| <span id="659">659</span> |
| <span id="660">660</span> |
| <span id="661">661</span> |
| <span id="662">662</span> |
| <span id="663">663</span> |
| <span id="664">664</span> |
| <span id="665">665</span> |
| <span id="666">666</span> |
| <span id="667">667</span> |
| <span id="668">668</span> |
| <span id="669">669</span> |
| <span id="670">670</span> |
| <span id="671">671</span> |
| <span id="672">672</span> |
| <span id="673">673</span> |
| <span id="674">674</span> |
| <span id="675">675</span> |
| <span id="676">676</span> |
| <span id="677">677</span> |
| <span id="678">678</span> |
| <span id="679">679</span> |
| <span id="680">680</span> |
| <span id="681">681</span> |
| <span id="682">682</span> |
| <span id="683">683</span> |
| <span id="684">684</span> |
| <span id="685">685</span> |
| <span id="686">686</span> |
| <span id="687">687</span> |
| <span id="688">688</span> |
| <span id="689">689</span> |
| <span id="690">690</span> |
| <span id="691">691</span> |
| <span id="692">692</span> |
| <span id="693">693</span> |
| <span id="694">694</span> |
| <span id="695">695</span> |
| <span id="696">696</span> |
| <span id="697">697</span> |
| <span id="698">698</span> |
| <span id="699">699</span> |
| <span id="700">700</span> |
| <span id="701">701</span> |
| <span id="702">702</span> |
| <span id="703">703</span> |
| <span id="704">704</span> |
| <span id="705">705</span> |
| <span id="706">706</span> |
| <span id="707">707</span> |
| <span id="708">708</span> |
| <span id="709">709</span> |
| <span id="710">710</span> |
| <span id="711">711</span> |
| <span id="712">712</span> |
| <span id="713">713</span> |
| <span id="714">714</span> |
| <span id="715">715</span> |
| <span id="716">716</span> |
| <span id="717">717</span> |
| <span id="718">718</span> |
| <span id="719">719</span> |
| <span id="720">720</span> |
| <span id="721">721</span> |
| <span id="722">722</span> |
| <span id="723">723</span> |
| <span id="724">724</span> |
| <span id="725">725</span> |
| <span id="726">726</span> |
| <span id="727">727</span> |
| <span id="728">728</span> |
| <span id="729">729</span> |
| <span id="730">730</span> |
| <span id="731">731</span> |
| <span id="732">732</span> |
| <span id="733">733</span> |
| <span id="734">734</span> |
| <span id="735">735</span> |
| <span id="736">736</span> |
| <span id="737">737</span> |
| <span id="738">738</span> |
| <span id="739">739</span> |
| <span id="740">740</span> |
| <span id="741">741</span> |
| <span id="742">742</span> |
| <span id="743">743</span> |
| <span id="744">744</span> |
| <span id="745">745</span> |
| <span id="746">746</span> |
| <span id="747">747</span> |
| <span id="748">748</span> |
| <span id="749">749</span> |
| <span id="750">750</span> |
| <span id="751">751</span> |
| <span id="752">752</span> |
| <span id="753">753</span> |
| <span id="754">754</span> |
| <span id="755">755</span> |
| <span id="756">756</span> |
| <span id="757">757</span> |
| <span id="758">758</span> |
| <span id="759">759</span> |
| <span id="760">760</span> |
| <span id="761">761</span> |
| <span id="762">762</span> |
| <span id="763">763</span> |
| <span id="764">764</span> |
| <span id="765">765</span> |
| <span id="766">766</span> |
| <span id="767">767</span> |
| <span id="768">768</span> |
| <span id="769">769</span> |
| <span id="770">770</span> |
| <span id="771">771</span> |
| <span id="772">772</span> |
| <span id="773">773</span> |
| <span id="774">774</span> |
| <span id="775">775</span> |
| <span id="776">776</span> |
| <span id="777">777</span> |
| <span id="778">778</span> |
| <span id="779">779</span> |
| <span id="780">780</span> |
| <span id="781">781</span> |
| <span id="782">782</span> |
| <span id="783">783</span> |
| <span id="784">784</span> |
| <span id="785">785</span> |
| <span id="786">786</span> |
| <span id="787">787</span> |
| <span id="788">788</span> |
| <span id="789">789</span> |
| <span id="790">790</span> |
| <span id="791">791</span> |
| <span id="792">792</span> |
| <span id="793">793</span> |
| <span id="794">794</span> |
| <span id="795">795</span> |
| <span id="796">796</span> |
| <span id="797">797</span> |
| <span id="798">798</span> |
| <span id="799">799</span> |
| <span id="800">800</span> |
| <span id="801">801</span> |
| <span id="802">802</span> |
| <span id="803">803</span> |
| <span id="804">804</span> |
| <span id="805">805</span> |
| <span id="806">806</span> |
| <span id="807">807</span> |
| <span id="808">808</span> |
| </pre><pre class="rust "> |
| <span class="comment">// Copyright 2014 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 <LICENSE-APACHE or</span> |
| <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license</span> |
| <span class="comment">// <LICENSE-MIT or http://opensource.org/licenses/MIT>, 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">//! A typesafe bitmask flag generator.</span> |
| |
| <span class="attribute">#<span class="op">!</span>[<span class="ident">no_std</span>]</span> |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span> |
| <span class="attribute">#[<span class="ident">macro_use</span>]</span> |
| <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">std</span>; |
| |
| <span class="comment">// Re-export libstd/libcore using an alias so that the macros can work in no_std</span> |
| <span class="comment">// crates while remaining compatible with normal crates.</span> |
| <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">private_in_public</span>)]</span> |
| <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">core</span> <span class="kw">as</span> <span class="ident">__core</span>; |
| |
| <span class="doccomment">/// The `bitflags!` macro generates a `struct` that holds a set of C-style</span> |
| <span class="doccomment">/// bitmask flags. It is useful for creating typesafe wrappers for C APIs.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// The flags should only be defined for integer types, otherwise unexpected</span> |
| <span class="doccomment">/// type errors may occur at compile time.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```{.rust}</span> |
| <span class="doccomment">/// #[macro_use]</span> |
| <span class="doccomment">/// extern crate bitflags;</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// bitflags! {</span> |
| <span class="doccomment">/// flags Flags: u32 {</span> |
| <span class="doccomment">/// const FLAG_A = 0b00000001,</span> |
| <span class="doccomment">/// const FLAG_B = 0b00000010,</span> |
| <span class="doccomment">/// const FLAG_C = 0b00000100,</span> |
| <span class="doccomment">/// const FLAG_ABC = FLAG_A.bits</span> |
| <span class="doccomment">/// | FLAG_B.bits</span> |
| <span class="doccomment">/// | FLAG_C.bits,</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// fn main() {</span> |
| <span class="doccomment">/// let e1 = FLAG_A | FLAG_C;</span> |
| <span class="doccomment">/// let e2 = FLAG_B | FLAG_C;</span> |
| <span class="doccomment">/// assert_eq!((e1 | e2), FLAG_ABC); // union</span> |
| <span class="doccomment">/// assert_eq!((e1 & e2), FLAG_C); // intersection</span> |
| <span class="doccomment">/// assert_eq!((e1 - e2), FLAG_A); // set difference</span> |
| <span class="doccomment">/// assert_eq!(!e2, FLAG_A); // set complement</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// The generated `struct`s can also be extended with type and trait</span> |
| <span class="doccomment">/// implementations:</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```{.rust}</span> |
| <span class="doccomment">/// #[macro_use]</span> |
| <span class="doccomment">/// extern crate bitflags;</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// use std::fmt;</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// bitflags! {</span> |
| <span class="doccomment">/// flags Flags: u32 {</span> |
| <span class="doccomment">/// const FLAG_A = 0b00000001,</span> |
| <span class="doccomment">/// const FLAG_B = 0b00000010,</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// impl Flags {</span> |
| <span class="doccomment">/// pub fn clear(&mut self) {</span> |
| <span class="doccomment">/// self.bits = 0; // The `bits` field can be accessed from within the</span> |
| <span class="doccomment">/// // same module where the `bitflags!` macro was invoked.</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// impl fmt::Display for Flags {</span> |
| <span class="doccomment">/// fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {</span> |
| <span class="doccomment">/// write!(f, "hi!")</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// fn main() {</span> |
| <span class="doccomment">/// let mut flags = FLAG_A | FLAG_B;</span> |
| <span class="doccomment">/// flags.clear();</span> |
| <span class="doccomment">/// assert!(flags.is_empty());</span> |
| <span class="doccomment">/// assert_eq!(format!("{}", flags), "hi!");</span> |
| <span class="doccomment">/// assert_eq!(format!("{:?}", FLAG_A | FLAG_B), "FLAG_A | FLAG_B");</span> |
| <span class="doccomment">/// assert_eq!(format!("{:?}", FLAG_B), "FLAG_B");</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Visibility</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// The generated struct and its associated flag constants are not exported</span> |
| <span class="doccomment">/// out of the current module by default. A definition can be exported out of</span> |
| <span class="doccomment">/// the current module by adding `pub` before `flags`:</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```{.rust},ignore</span> |
| <span class="doccomment">/// #[macro_use]</span> |
| <span class="doccomment">/// extern crate bitflags;</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// mod example {</span> |
| <span class="doccomment">/// bitflags! {</span> |
| <span class="doccomment">/// pub flags Flags1: u32 {</span> |
| <span class="doccomment">/// const FLAG_A = 0b00000001,</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// bitflags! {</span> |
| <span class="doccomment">/// flags Flags2: u32 {</span> |
| <span class="doccomment">/// const FLAG_B = 0b00000010,</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// fn main() {</span> |
| <span class="doccomment">/// let flag1 = example::FLAG_A;</span> |
| <span class="doccomment">/// let flag2 = example::FLAG_B; // error: const `FLAG_B` is private</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Attributes</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Attributes can be attached to the generated `struct` by placing them</span> |
| <span class="doccomment">/// before the `flags` keyword.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Trait implementations</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// The `Copy`, `Clone`, `PartialEq`, `Eq`, `PartialOrd`, `Ord` and `Hash`</span> |
| <span class="doccomment">/// traits automatically derived for the `struct` using the `derive` attribute.</span> |
| <span class="doccomment">/// Additional traits can be derived by providing an explicit `derive`</span> |
| <span class="doccomment">/// attribute on `flags`.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// The `Extend` and `FromIterator` traits are implemented for the `struct`,</span> |
| <span class="doccomment">/// too: `Extend` adds the union of the instances of the `struct` iterated over,</span> |
| <span class="doccomment">/// while `FromIterator` calculates the union.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// The `Debug` trait is also implemented by displaying the bits value of the</span> |
| <span class="doccomment">/// internal struct.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ## Operators</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// The following operator traits are implemented for the generated `struct`:</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// - `BitOr` and `BitOrAssign`: union</span> |
| <span class="doccomment">/// - `BitAnd` and `BitAndAssign`: intersection</span> |
| <span class="doccomment">/// - `BitXor` and `BitXorAssign`: toggle</span> |
| <span class="doccomment">/// - `Sub` and `SubAssign`: set difference</span> |
| <span class="doccomment">/// - `Not`: set complement</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// As long as the assignment operators are unstable rust feature they are only</span> |
| <span class="doccomment">/// available with the crate feature `assignment_ops` enabled.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Methods</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// The following methods are defined for the generated `struct`:</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// - `empty`: an empty set of flags</span> |
| <span class="doccomment">/// - `all`: the set of all flags</span> |
| <span class="doccomment">/// - `bits`: the raw value of the flags currently stored</span> |
| <span class="doccomment">/// - `from_bits`: convert from underlying bit representation, unless that</span> |
| <span class="doccomment">/// representation contains bits that do not correspond to a flag</span> |
| <span class="doccomment">/// - `from_bits_truncate`: convert from underlying bit representation, dropping</span> |
| <span class="doccomment">/// any bits that do not correspond to flags</span> |
| <span class="doccomment">/// - `is_empty`: `true` if no flags are currently stored</span> |
| <span class="doccomment">/// - `is_all`: `true` if all flags are currently set</span> |
| <span class="doccomment">/// - `intersects`: `true` if there are flags common to both `self` and `other`</span> |
| <span class="doccomment">/// - `contains`: `true` all of the flags in `other` are contained within `self`</span> |
| <span class="doccomment">/// - `insert`: inserts the specified flags in-place</span> |
| <span class="doccomment">/// - `remove`: removes the specified flags in-place</span> |
| <span class="doccomment">/// - `toggle`: the specified flags will be inserted if not present, and removed</span> |
| <span class="doccomment">/// if they are.</span> |
| <span class="attribute">#[<span class="ident">macro_export</span>]</span> |
| <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">bitflags</span> { |
| ($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">attr</span>:<span class="ident">meta</span>]</span>)<span class="op">*</span> <span class="kw">pub</span> <span class="ident">flags</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>:<span class="ident">ty</span> { |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>:<span class="ident">meta</span>]</span>)<span class="op">*</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>:<span class="ident">ident</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>:<span class="ident">expr</span>),<span class="op">+</span> |
| }) <span class="op">=></span> { |
| <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Copy</span>, <span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">Clone</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>, <span class="ident">Hash</span>)]</span> |
| $(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">attr</span>]</span>)<span class="op">*</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="ident">bits</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>, |
| } |
| |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>]</span>)<span class="op">*</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span> };)<span class="op">+</span> |
| |
| <span class="macro">bitflags</span><span class="macro">!</span> { |
| @<span class="ident">_impl</span> <span class="ident">flags</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span> { |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>]</span>)<span class="op">*</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>),<span class="op">+</span> |
| } |
| } |
| }; |
| ($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">attr</span>:<span class="ident">meta</span>]</span>)<span class="op">*</span> <span class="ident">flags</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>:<span class="ident">ty</span> { |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>:<span class="ident">meta</span>]</span>)<span class="op">*</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>:<span class="ident">ident</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>:<span class="ident">expr</span>),<span class="op">+</span> |
| }) <span class="op">=></span> { |
| <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Copy</span>, <span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">Clone</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>, <span class="ident">Hash</span>)]</span> |
| $(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">attr</span>]</span>)<span class="op">*</span> |
| <span class="kw">struct</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="ident">bits</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>, |
| } |
| |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>]</span>)<span class="op">*</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span> };)<span class="op">+</span> |
| |
| <span class="macro">bitflags</span><span class="macro">!</span> { |
| @<span class="ident">_impl</span> <span class="ident">flags</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span> { |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>]</span>)<span class="op">*</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>),<span class="op">+</span> |
| } |
| } |
| }; |
| (@<span class="ident">_impl</span> <span class="ident">flags</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>:<span class="ident">ty</span> { |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>:<span class="ident">meta</span>]</span>)<span class="op">*</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>:<span class="ident">ident</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>:<span class="ident">expr</span>),<span class="op">+</span> |
| }) <span class="op">=></span> { |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">fmt</span>::<span class="prelude-ty">Result</span> { |
| <span class="comment">// This convoluted approach is to handle #[cfg]-based flag</span> |
| <span class="comment">// omission correctly. Some of the $Flag variants may not be</span> |
| <span class="comment">// defined in this module so we create an inner module which</span> |
| <span class="comment">// defines *all* flags to the value of 0. We then create a</span> |
| <span class="comment">// second inner module that defines all of the flags with #[cfg]</span> |
| <span class="comment">// to their real values. Afterwards the glob will import</span> |
| <span class="comment">// variants from the second inner module, shadowing all</span> |
| <span class="comment">// defined variants, leaving only the undefined ones with the</span> |
| <span class="comment">// bit value of 0.</span> |
| <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">dead_code</span>)]</span> |
| <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">unused_assignments</span>)]</span> |
| <span class="kw">mod</span> <span class="ident">dummy</span> { |
| <span class="comment">// We can't use the real $BitFlags struct because it may be</span> |
| <span class="comment">// private, which prevents us from using it to define</span> |
| <span class="comment">// public constants.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="ident">bits</span>: <span class="ident">u64</span>, |
| } |
| <span class="kw">mod</span> <span class="ident">real_flags</span> { |
| <span class="kw">use</span> <span class="kw">super</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>; |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>]</span>)<span class="op">*</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="ident">bits</span>: <span class="kw">super</span>::<span class="kw">super</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>.<span class="ident">bits</span> <span class="kw">as</span> <span class="ident">u64</span> |
| };)<span class="op">+</span> |
| } |
| <span class="comment">// Now we define the "undefined" versions of the flags.</span> |
| <span class="comment">// This way, all the names exist, even if some are #[cfg]ed</span> |
| <span class="comment">// out.</span> |
| $(<span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="number">0</span> };)<span class="op">+</span> |
| |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="ident">self_</span>: <span class="ident">u64</span>, |
| <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">fmt</span>::<span class="ident">Formatter</span>) |
| <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">fmt</span>::<span class="prelude-ty">Result</span> { |
| <span class="comment">// Now we import the real values for the flags.</span> |
| <span class="comment">// Only ones that are #[cfg]ed out will be 0.</span> |
| <span class="kw">use</span> <span class="self">self</span>::<span class="ident">real_flags</span>::<span class="kw-2">*</span>; |
| |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">first</span> <span class="op">=</span> <span class="bool-val">true</span>; |
| $( |
| <span class="comment">// $Flag.bits == 0 means that $Flag doesn't exist</span> |
| <span class="kw">if</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>.<span class="ident">bits</span> <span class="op">!=</span> <span class="number">0</span> <span class="op">&&</span> <span class="ident">self_</span> <span class="op">&</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>.<span class="ident">bits</span> <span class="kw">as</span> <span class="ident">u64</span> <span class="op">==</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>.<span class="ident">bits</span> <span class="kw">as</span> <span class="ident">u64</span> { |
| <span class="kw">if</span> <span class="op">!</span><span class="ident">first</span> { |
| <span class="macro">try</span><span class="macro">!</span>(<span class="ident">f</span>.<span class="ident">write_str</span>(<span class="string">" | "</span>)); |
| } |
| <span class="ident">first</span> <span class="op">=</span> <span class="bool-val">false</span>; |
| <span class="macro">try</span><span class="macro">!</span>(<span class="ident">f</span>.<span class="ident">write_str</span>(<span class="macro">stringify</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>))); |
| } |
| )<span class="op">+</span> |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| <span class="ident">dummy</span>::<span class="ident">fmt</span>(<span class="self">self</span>.<span class="ident">bits</span> <span class="kw">as</span> <span class="ident">u64</span>, <span class="ident">f</span>) |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">dead_code</span>)]</span> |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="doccomment">/// Returns an empty set of flags.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">empty</span>() <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="number">0</span> } |
| } |
| |
| <span class="doccomment">/// Returns the set containing all flags.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">all</span>() <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="comment">// See above `dummy` module for why this approach is taken.</span> |
| <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">dead_code</span>)]</span> |
| <span class="kw">mod</span> <span class="ident">dummy</span> { |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="ident">bits</span>: <span class="ident">u64</span>, |
| } |
| <span class="kw">mod</span> <span class="ident">real_flags</span> { |
| <span class="kw">use</span> <span class="kw">super</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>; |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>]</span>)<span class="op">*</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="ident">bits</span>: <span class="kw">super</span>::<span class="kw">super</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>.<span class="ident">bits</span> <span class="kw">as</span> <span class="ident">u64</span> |
| };)<span class="op">+</span> |
| } |
| $(<span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="number">0</span> };)<span class="op">+</span> |
| |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">all</span>() <span class="op">-></span> <span class="ident">u64</span> { |
| <span class="kw">use</span> <span class="self">self</span>::<span class="ident">real_flags</span>::<span class="kw-2">*</span>; |
| $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>.<span class="ident">bits</span>)<span class="op">|</span><span class="op">+</span> |
| } |
| } |
| <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="ident">dummy</span>::<span class="ident">all</span>() <span class="kw">as</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span> } |
| } |
| |
| <span class="doccomment">/// Returns the raw value of the flags currently stored.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">bits</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span> { |
| <span class="self">self</span>.<span class="ident">bits</span> |
| } |
| |
| <span class="doccomment">/// Convert from underlying bit representation, unless that</span> |
| <span class="doccomment">/// representation contains bits that do not correspond to a flag.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from_bits</span>(<span class="ident">bits</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>) <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">option</span>::<span class="prelude-ty">Option</span><span class="op"><</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span><span class="op">></span> { |
| <span class="kw">if</span> (<span class="ident">bits</span> <span class="op">&</span> <span class="op">!</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>::<span class="ident">all</span>().<span class="ident">bits</span>()) <span class="op">==</span> <span class="number">0</span> { |
| <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">option</span>::<span class="prelude-ty">Option</span>::<span class="prelude-val">Some</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="ident">bits</span> }) |
| } <span class="kw">else</span> { |
| <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">option</span>::<span class="prelude-ty">Option</span>::<span class="prelude-val">None</span> |
| } |
| } |
| |
| <span class="doccomment">/// Convert from underlying bit representation, dropping any bits</span> |
| <span class="doccomment">/// that do not correspond to flags.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from_bits_truncate</span>(<span class="ident">bits</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>) <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="ident">bits</span> } <span class="op">&</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>::<span class="ident">all</span>() |
| } |
| |
| <span class="doccomment">/// Returns `true` if no flags are currently stored.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_empty</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> { |
| <span class="kw-2">*</span><span class="self">self</span> <span class="op">==</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>::<span class="ident">empty</span>() |
| } |
| |
| <span class="doccomment">/// Returns `true` if all flags are currently set.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_all</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> { |
| <span class="kw-2">*</span><span class="self">self</span> <span class="op">==</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>::<span class="ident">all</span>() |
| } |
| |
| <span class="doccomment">/// Returns `true` if there are flags common to both `self` and `other`.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">intersects</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) <span class="op">-></span> <span class="ident">bool</span> { |
| <span class="op">!</span>(<span class="kw-2">*</span><span class="self">self</span> <span class="op">&</span> <span class="ident">other</span>).<span class="ident">is_empty</span>() |
| } |
| |
| <span class="doccomment">/// Returns `true` all of the flags in `other` are contained within `self`.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">contains</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) <span class="op">-></span> <span class="ident">bool</span> { |
| (<span class="kw-2">*</span><span class="self">self</span> <span class="op">&</span> <span class="ident">other</span>) <span class="op">==</span> <span class="ident">other</span> |
| } |
| |
| <span class="doccomment">/// Inserts the specified flags in-place.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">insert</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) { |
| <span class="self">self</span>.<span class="ident">bits</span> <span class="op">|=</span> <span class="ident">other</span>.<span class="ident">bits</span>; |
| } |
| |
| <span class="doccomment">/// Removes the specified flags in-place.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">remove</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) { |
| <span class="self">self</span>.<span class="ident">bits</span> <span class="op">&=</span> <span class="op">!</span><span class="ident">other</span>.<span class="ident">bits</span>; |
| } |
| |
| <span class="doccomment">/// Toggles the specified flags in-place.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">toggle</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) { |
| <span class="self">self</span>.<span class="ident">bits</span> <span class="op">^=</span> <span class="ident">other</span>.<span class="ident">bits</span>; |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">ops</span>::<span class="ident">BitOr</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>; |
| |
| <span class="doccomment">/// Returns the union of the two sets of flags.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">bitor</span>(<span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="self">self</span>.<span class="ident">bits</span> <span class="op">|</span> <span class="ident">other</span>.<span class="ident">bits</span> } |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">ops</span>::<span class="ident">BitOrAssign</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| |
| <span class="doccomment">/// Adds the set of flags.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">bitor_assign</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) { |
| <span class="self">self</span>.<span class="ident">bits</span> <span class="op">|=</span> <span class="ident">other</span>.<span class="ident">bits</span>; |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">ops</span>::<span class="ident">BitXor</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>; |
| |
| <span class="doccomment">/// Returns the left flags, but with all the right flags toggled.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">bitxor</span>(<span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="self">self</span>.<span class="ident">bits</span> <span class="op">^</span> <span class="ident">other</span>.<span class="ident">bits</span> } |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">ops</span>::<span class="ident">BitXorAssign</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| |
| <span class="doccomment">/// Toggles the set of flags.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">bitxor_assign</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) { |
| <span class="self">self</span>.<span class="ident">bits</span> <span class="op">^=</span> <span class="ident">other</span>.<span class="ident">bits</span>; |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">ops</span>::<span class="ident">BitAnd</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>; |
| |
| <span class="doccomment">/// Returns the intersection between the two sets of flags.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">bitand</span>(<span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="self">self</span>.<span class="ident">bits</span> <span class="op">&</span> <span class="ident">other</span>.<span class="ident">bits</span> } |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">ops</span>::<span class="ident">BitAndAssign</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| |
| <span class="doccomment">/// Disables all flags disabled in the set.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">bitand_assign</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) { |
| <span class="self">self</span>.<span class="ident">bits</span> <span class="op">&=</span> <span class="ident">other</span>.<span class="ident">bits</span>; |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">ops</span>::<span class="ident">Sub</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>; |
| |
| <span class="doccomment">/// Returns the set difference of the two sets of flags.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">sub</span>(<span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="self">self</span>.<span class="ident">bits</span> <span class="op">&</span> <span class="op">!</span><span class="ident">other</span>.<span class="ident">bits</span> } |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">ops</span>::<span class="ident">SubAssign</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| |
| <span class="doccomment">/// Disables all flags enabled in the set.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">sub_assign</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">other</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>) { |
| <span class="self">self</span>.<span class="ident">bits</span> <span class="op">&=</span> <span class="op">!</span><span class="ident">other</span>.<span class="ident">bits</span>; |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">ops</span>::<span class="ident">Not</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>; |
| |
| <span class="doccomment">/// Returns the complement of this set of flags.</span> |
| <span class="attribute">#[<span class="ident">inline</span>]</span> |
| <span class="kw">fn</span> <span class="ident">not</span>(<span class="self">self</span>) <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { <span class="ident">bits</span>: <span class="op">!</span><span class="self">self</span>.<span class="ident">bits</span> } <span class="op">&</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>::<span class="ident">all</span>() |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">iter</span>::<span class="ident">Extend</span><span class="op"><</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span><span class="op">></span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="kw">fn</span> <span class="ident">extend</span><span class="op"><</span><span class="ident">T</span>: <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">iter</span>::<span class="ident">IntoIterator</span><span class="op"><</span><span class="ident">Item</span><span class="op">=</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span><span class="op">>></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">iterator</span>: <span class="ident">T</span>) { |
| <span class="kw">for</span> <span class="ident">item</span> <span class="kw">in</span> <span class="ident">iterator</span> { |
| <span class="self">self</span>.<span class="ident">insert</span>(<span class="ident">item</span>) |
| } |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">iter</span>::<span class="ident">FromIterator</span><span class="op"><</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span><span class="op">></span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="kw">fn</span> <span class="ident">from_iter</span><span class="op"><</span><span class="ident">T</span>: <span class="macro-nonterminal">$</span><span class="kw">crate</span>::<span class="macro-nonterminal">__core</span>::<span class="ident">iter</span>::<span class="ident">IntoIterator</span><span class="op"><</span><span class="ident">Item</span><span class="op">=</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span><span class="op">>></span>(<span class="ident">iterator</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">result</span> <span class="op">=</span> <span class="self">Self</span>::<span class="ident">empty</span>(); |
| <span class="ident">result</span>.<span class="ident">extend</span>(<span class="ident">iterator</span>); |
| <span class="ident">result</span> |
| } |
| } |
| }; |
| ($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">attr</span>:<span class="ident">meta</span>]</span>)<span class="op">*</span> <span class="kw">pub</span> <span class="ident">flags</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>:<span class="ident">ty</span> { |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>:<span class="ident">meta</span>]</span>)<span class="op">*</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>:<span class="ident">ident</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>:<span class="ident">expr</span>),<span class="op">+</span>, |
| }) <span class="op">=></span> { |
| <span class="macro">bitflags</span><span class="macro">!</span> { |
| $(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">attr</span>]</span>)<span class="op">*</span> |
| <span class="kw">pub</span> <span class="ident">flags</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span> { |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>]</span>)<span class="op">*</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>),<span class="op">+</span> |
| } |
| } |
| }; |
| ($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">attr</span>:<span class="ident">meta</span>]</span>)<span class="op">*</span> <span class="ident">flags</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span>:<span class="ident">ty</span> { |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>:<span class="ident">meta</span>]</span>)<span class="op">*</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span>:<span class="ident">ident</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>:<span class="ident">expr</span>),<span class="op">+</span>, |
| }) <span class="op">=></span> { |
| <span class="macro">bitflags</span><span class="macro">!</span> { |
| $(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">attr</span>]</span>)<span class="op">*</span> |
| <span class="ident">flags</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">BitFlags</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">T</span> { |
| $($(<span class="attribute">#[<span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag_attr</span>]</span>)<span class="op">*</span> <span class="kw">const</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">Flag</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>),<span class="op">+</span> |
| } |
| } |
| }; |
| } |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span> |
| <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_upper_case_globals</span>, <span class="ident">dead_code</span>)]</span> |
| <span class="kw">mod</span> <span class="ident">tests</span> { |
| <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">hash</span>::{<span class="ident">SipHasher</span>, <span class="ident">Hash</span>, <span class="ident">Hasher</span>}; |
| |
| <span class="macro">bitflags</span><span class="macro">!</span> { |
| <span class="attribute">#[<span class="ident">doc</span> <span class="op">=</span> <span class="string">"> The first principle is that you must not fool yourself — and"</span>]</span> |
| <span class="attribute">#[<span class="ident">doc</span> <span class="op">=</span> <span class="string">"> you are the easiest person to fool."</span>]</span> |
| <span class="attribute">#[<span class="ident">doc</span> <span class="op">=</span> <span class="string">"> "</span>]</span> |
| <span class="attribute">#[<span class="ident">doc</span> <span class="op">=</span> <span class="string">"> - Richard Feynman"</span>]</span> |
| <span class="ident">flags</span> <span class="ident">Flags</span>: <span class="ident">u32</span> { |
| <span class="kw">const</span> <span class="ident">FlagA</span> <span class="op">=</span> <span class="number">0b00000001</span>, |
| <span class="attribute">#[<span class="ident">doc</span> <span class="op">=</span> <span class="string">"<pcwalton> macros are way better at generating code than trans is"</span>]</span> |
| <span class="kw">const</span> <span class="ident">FlagB</span> <span class="op">=</span> <span class="number">0b00000010</span>, |
| <span class="kw">const</span> <span class="ident">FlagC</span> <span class="op">=</span> <span class="number">0b00000100</span>, |
| <span class="attribute">#[<span class="ident">doc</span> <span class="op">=</span> <span class="string">"* cmr bed"</span>]</span> |
| <span class="attribute">#[<span class="ident">doc</span> <span class="op">=</span> <span class="string">"* strcat table"</span>]</span> |
| <span class="attribute">#[<span class="ident">doc</span> <span class="op">=</span> <span class="string">"<strcat> wait what?"</span>]</span> |
| <span class="kw">const</span> <span class="ident">FlagABC</span> <span class="op">=</span> <span class="ident">FlagA</span>.<span class="ident">bits</span> |
| <span class="op">|</span> <span class="ident">FlagB</span>.<span class="ident">bits</span> |
| <span class="op">|</span> <span class="ident">FlagC</span>.<span class="ident">bits</span>, |
| } |
| } |
| |
| <span class="macro">bitflags</span><span class="macro">!</span> { |
| <span class="ident">flags</span> <span class="ident">_CfgFlags</span>: <span class="ident">u32</span> { |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span> |
| <span class="kw">const</span> <span class="ident">_CfgA</span> <span class="op">=</span> <span class="number">0b01</span>, |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> |
| <span class="kw">const</span> <span class="ident">_CfgB</span> <span class="op">=</span> <span class="number">0b01</span>, |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span> |
| <span class="kw">const</span> <span class="ident">_CfgC</span> <span class="op">=</span> <span class="ident">_CfgA</span>.<span class="ident">bits</span> <span class="op">|</span> <span class="number">0b10</span>, |
| } |
| } |
| |
| <span class="macro">bitflags</span><span class="macro">!</span> { |
| <span class="ident">flags</span> <span class="ident">AnotherSetOfFlags</span>: <span class="ident">i8</span> { |
| <span class="kw">const</span> <span class="ident">AnotherFlag</span> <span class="op">=</span> <span class="op">-</span><span class="number">1_i8</span>, |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_bits</span>(){ |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">empty</span>().<span class="ident">bits</span>(), <span class="number">0b00000000</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">FlagA</span>.<span class="ident">bits</span>(), <span class="number">0b00000001</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">FlagABC</span>.<span class="ident">bits</span>(), <span class="number">0b00000111</span>); |
| |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">AnotherSetOfFlags</span>::<span class="ident">empty</span>().<span class="ident">bits</span>(), <span class="number">0b00</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">AnotherFlag</span>.<span class="ident">bits</span>(), <span class="op">!</span><span class="number">0_i8</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_from_bits</span>() { |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits</span>(<span class="number">0</span>), <span class="prelude-val">Some</span>(<span class="ident">Flags</span>::<span class="ident">empty</span>())); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits</span>(<span class="number">0b1</span>), <span class="prelude-val">Some</span>(<span class="ident">FlagA</span>)); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits</span>(<span class="number">0b10</span>), <span class="prelude-val">Some</span>(<span class="ident">FlagB</span>)); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits</span>(<span class="number">0b11</span>), <span class="prelude-val">Some</span>(<span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>)); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits</span>(<span class="number">0b1000</span>), <span class="prelude-val">None</span>); |
| |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">AnotherSetOfFlags</span>::<span class="ident">from_bits</span>(<span class="op">!</span><span class="number">0_i8</span>), <span class="prelude-val">Some</span>(<span class="ident">AnotherFlag</span>)); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_from_bits_truncate</span>() { |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits_truncate</span>(<span class="number">0</span>), <span class="ident">Flags</span>::<span class="ident">empty</span>()); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits_truncate</span>(<span class="number">0b1</span>), <span class="ident">FlagA</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits_truncate</span>(<span class="number">0b10</span>), <span class="ident">FlagB</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits_truncate</span>(<span class="number">0b11</span>), (<span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>)); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits_truncate</span>(<span class="number">0b1000</span>), <span class="ident">Flags</span>::<span class="ident">empty</span>()); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">from_bits_truncate</span>(<span class="number">0b1001</span>), <span class="ident">FlagA</span>); |
| |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">AnotherSetOfFlags</span>::<span class="ident">from_bits_truncate</span>(<span class="number">0_i8</span>), <span class="ident">AnotherSetOfFlags</span>::<span class="ident">empty</span>()); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_is_empty</span>(){ |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">empty</span>().<span class="ident">is_empty</span>()); |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">FlagA</span>.<span class="ident">is_empty</span>()); |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">FlagABC</span>.<span class="ident">is_empty</span>()); |
| |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">AnotherFlag</span>.<span class="ident">is_empty</span>()); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_is_all</span>() { |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">Flags</span>::<span class="ident">all</span>().<span class="ident">is_all</span>()); |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">FlagA</span>.<span class="ident">is_all</span>()); |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">FlagABC</span>.<span class="ident">is_all</span>()); |
| |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">AnotherFlag</span>.<span class="ident">is_all</span>()); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_two_empties_do_not_intersect</span>() { |
| <span class="kw">let</span> <span class="ident">e1</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| <span class="kw">let</span> <span class="ident">e2</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">e1</span>.<span class="ident">intersects</span>(<span class="ident">e2</span>)); |
| |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">AnotherFlag</span>.<span class="ident">intersects</span>(<span class="ident">AnotherFlag</span>)); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_empty_does_not_intersect_with_full</span>() { |
| <span class="kw">let</span> <span class="ident">e1</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| <span class="kw">let</span> <span class="ident">e2</span> <span class="op">=</span> <span class="ident">FlagABC</span>; |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">e1</span>.<span class="ident">intersects</span>(<span class="ident">e2</span>)); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_disjoint_intersects</span>() { |
| <span class="kw">let</span> <span class="ident">e1</span> <span class="op">=</span> <span class="ident">FlagA</span>; |
| <span class="kw">let</span> <span class="ident">e2</span> <span class="op">=</span> <span class="ident">FlagB</span>; |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">e1</span>.<span class="ident">intersects</span>(<span class="ident">e2</span>)); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_overlapping_intersects</span>() { |
| <span class="kw">let</span> <span class="ident">e1</span> <span class="op">=</span> <span class="ident">FlagA</span>; |
| <span class="kw">let</span> <span class="ident">e2</span> <span class="op">=</span> <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>; |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">e1</span>.<span class="ident">intersects</span>(<span class="ident">e2</span>)); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_contains</span>() { |
| <span class="kw">let</span> <span class="ident">e1</span> <span class="op">=</span> <span class="ident">FlagA</span>; |
| <span class="kw">let</span> <span class="ident">e2</span> <span class="op">=</span> <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>; |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">e1</span>.<span class="ident">contains</span>(<span class="ident">e2</span>)); |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">e2</span>.<span class="ident">contains</span>(<span class="ident">e1</span>)); |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">FlagABC</span>.<span class="ident">contains</span>(<span class="ident">e2</span>)); |
| |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">AnotherFlag</span>.<span class="ident">contains</span>(<span class="ident">AnotherFlag</span>)); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_insert</span>(){ |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">e1</span> <span class="op">=</span> <span class="ident">FlagA</span>; |
| <span class="kw">let</span> <span class="ident">e2</span> <span class="op">=</span> <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>; |
| <span class="ident">e1</span>.<span class="ident">insert</span>(<span class="ident">e2</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">e1</span>, <span class="ident">e2</span>); |
| |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">e3</span> <span class="op">=</span> <span class="ident">AnotherSetOfFlags</span>::<span class="ident">empty</span>(); |
| <span class="ident">e3</span>.<span class="ident">insert</span>(<span class="ident">AnotherFlag</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">e3</span>, <span class="ident">AnotherFlag</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_remove</span>(){ |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">e1</span> <span class="op">=</span> <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>; |
| <span class="kw">let</span> <span class="ident">e2</span> <span class="op">=</span> <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagC</span>; |
| <span class="ident">e1</span>.<span class="ident">remove</span>(<span class="ident">e2</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">e1</span>, <span class="ident">FlagB</span>); |
| |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">e3</span> <span class="op">=</span> <span class="ident">AnotherFlag</span>; |
| <span class="ident">e3</span>.<span class="ident">remove</span>(<span class="ident">AnotherFlag</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">e3</span>, <span class="ident">AnotherSetOfFlags</span>::<span class="ident">empty</span>()); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_operators</span>() { |
| <span class="kw">let</span> <span class="ident">e1</span> <span class="op">=</span> <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagC</span>; |
| <span class="kw">let</span> <span class="ident">e2</span> <span class="op">=</span> <span class="ident">FlagB</span> <span class="op">|</span> <span class="ident">FlagC</span>; |
| <span class="macro">assert_eq</span><span class="macro">!</span>((<span class="ident">e1</span> <span class="op">|</span> <span class="ident">e2</span>), <span class="ident">FlagABC</span>); <span class="comment">// union</span> |
| <span class="macro">assert_eq</span><span class="macro">!</span>((<span class="ident">e1</span> <span class="op">&</span> <span class="ident">e2</span>), <span class="ident">FlagC</span>); <span class="comment">// intersection</span> |
| <span class="macro">assert_eq</span><span class="macro">!</span>((<span class="ident">e1</span> <span class="op">-</span> <span class="ident">e2</span>), <span class="ident">FlagA</span>); <span class="comment">// set difference</span> |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">e2</span>, <span class="ident">FlagA</span>); <span class="comment">// set complement</span> |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">e1</span> <span class="op">^</span> <span class="ident">e2</span>, <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>); <span class="comment">// toggle</span> |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">e3</span> <span class="op">=</span> <span class="ident">e1</span>; |
| <span class="ident">e3</span>.<span class="ident">toggle</span>(<span class="ident">e2</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">e3</span>, <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>); |
| |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">m4</span> <span class="op">=</span> <span class="ident">AnotherSetOfFlags</span>::<span class="ident">empty</span>(); |
| <span class="ident">m4</span>.<span class="ident">toggle</span>(<span class="ident">AnotherSetOfFlags</span>::<span class="ident">empty</span>()); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">m4</span>, <span class="ident">AnotherSetOfFlags</span>::<span class="ident">empty</span>()); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_assignment_operators</span>() { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">m1</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| <span class="kw">let</span> <span class="ident">e1</span> <span class="op">=</span> <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagC</span>; |
| <span class="comment">// union</span> |
| <span class="ident">m1</span> <span class="op">|=</span> <span class="ident">FlagA</span>; |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">m1</span>, <span class="ident">FlagA</span>); |
| <span class="comment">// intersection</span> |
| <span class="ident">m1</span> <span class="op">&=</span> <span class="ident">e1</span>; |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">m1</span>, <span class="ident">FlagA</span>); |
| <span class="comment">// set difference</span> |
| <span class="ident">m1</span> <span class="op">-=</span> <span class="ident">m1</span>; |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">m1</span>, <span class="ident">Flags</span>::<span class="ident">empty</span>()); |
| <span class="comment">// toggle</span> |
| <span class="ident">m1</span> <span class="op">^=</span> <span class="ident">e1</span>; |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">m1</span>, <span class="ident">e1</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_extend</span>() { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">flags</span>; |
| |
| <span class="ident">flags</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| <span class="ident">flags</span>.<span class="ident">extend</span>([].<span class="ident">iter</span>().<span class="ident">cloned</span>()); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">flags</span>, <span class="ident">Flags</span>::<span class="ident">empty</span>()); |
| |
| <span class="ident">flags</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| <span class="ident">flags</span>.<span class="ident">extend</span>([<span class="ident">FlagA</span>, <span class="ident">FlagB</span>].<span class="ident">iter</span>().<span class="ident">cloned</span>()); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">flags</span>, <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>); |
| |
| <span class="ident">flags</span> <span class="op">=</span> <span class="ident">FlagA</span>; |
| <span class="ident">flags</span>.<span class="ident">extend</span>([<span class="ident">FlagA</span>, <span class="ident">FlagB</span>].<span class="ident">iter</span>().<span class="ident">cloned</span>()); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">flags</span>, <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>); |
| |
| <span class="ident">flags</span> <span class="op">=</span> <span class="ident">FlagB</span>; |
| <span class="ident">flags</span>.<span class="ident">extend</span>([<span class="ident">FlagA</span>, <span class="ident">FlagABC</span>].<span class="ident">iter</span>().<span class="ident">cloned</span>()); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">flags</span>, <span class="ident">FlagABC</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_from_iterator</span>() { |
| <span class="macro">assert_eq</span><span class="macro">!</span>([].<span class="ident">iter</span>().<span class="ident">cloned</span>().<span class="ident">collect</span>::<span class="op"><</span><span class="ident">Flags</span><span class="op">></span>(), <span class="ident">Flags</span>::<span class="ident">empty</span>()); |
| <span class="macro">assert_eq</span><span class="macro">!</span>([<span class="ident">FlagA</span>, <span class="ident">FlagB</span>].<span class="ident">iter</span>().<span class="ident">cloned</span>().<span class="ident">collect</span>::<span class="op"><</span><span class="ident">Flags</span><span class="op">></span>(), <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>([<span class="ident">FlagA</span>, <span class="ident">FlagABC</span>].<span class="ident">iter</span>().<span class="ident">cloned</span>().<span class="ident">collect</span>::<span class="op"><</span><span class="ident">Flags</span><span class="op">></span>(), <span class="ident">FlagABC</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_lt</span>() { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span>(<span class="ident">a</span> <span class="op"><</span> <span class="ident">b</span>) <span class="op">&&</span> <span class="op">!</span>(<span class="ident">b</span> <span class="op"><</span> <span class="ident">a</span>)); |
| <span class="ident">b</span> <span class="op">=</span> <span class="ident">FlagB</span>; |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">a</span> <span class="op"><</span> <span class="ident">b</span>); |
| <span class="ident">a</span> <span class="op">=</span> <span class="ident">FlagC</span>; |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span>(<span class="ident">a</span> <span class="op"><</span> <span class="ident">b</span>) <span class="op">&&</span> <span class="ident">b</span> <span class="op"><</span> <span class="ident">a</span>); |
| <span class="ident">b</span> <span class="op">=</span> <span class="ident">FlagC</span> <span class="op">|</span> <span class="ident">FlagB</span>; |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">a</span> <span class="op"><</span> <span class="ident">b</span>); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_ord</span>() { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">a</span> <span class="op"><=</span> <span class="ident">b</span> <span class="op">&&</span> <span class="ident">a</span> <span class="op">>=</span> <span class="ident">b</span>); |
| <span class="ident">a</span> <span class="op">=</span> <span class="ident">FlagA</span>; |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">a</span> <span class="op">></span> <span class="ident">b</span> <span class="op">&&</span> <span class="ident">a</span> <span class="op">>=</span> <span class="ident">b</span>); |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">b</span> <span class="op"><</span> <span class="ident">a</span> <span class="op">&&</span> <span class="ident">b</span> <span class="op"><=</span> <span class="ident">a</span>); |
| <span class="ident">b</span> <span class="op">=</span> <span class="ident">FlagB</span>; |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">b</span> <span class="op">></span> <span class="ident">a</span> <span class="op">&&</span> <span class="ident">b</span> <span class="op">>=</span> <span class="ident">a</span>); |
| <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">a</span> <span class="op"><</span> <span class="ident">b</span> <span class="op">&&</span> <span class="ident">a</span> <span class="op"><=</span> <span class="ident">b</span>); |
| } |
| |
| <span class="kw">fn</span> <span class="ident">hash</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">Hash</span><span class="op">></span>(<span class="ident">t</span>: <span class="kw-2">&</span><span class="ident">T</span>) <span class="op">-></span> <span class="ident">u64</span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">SipHasher</span>::<span class="ident">new_with_keys</span>(<span class="number">0</span>, <span class="number">0</span>); |
| <span class="ident">t</span>.<span class="ident">hash</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">s</span>); |
| <span class="ident">s</span>.<span class="ident">finish</span>() |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_hash</span>() { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">x</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">y</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">empty</span>(); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">hash</span>(<span class="kw-2">&</span><span class="ident">x</span>), <span class="ident">hash</span>(<span class="kw-2">&</span><span class="ident">y</span>)); |
| <span class="ident">x</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">all</span>(); |
| <span class="ident">y</span> <span class="op">=</span> <span class="ident">FlagABC</span>; |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">hash</span>(<span class="kw-2">&</span><span class="ident">x</span>), <span class="ident">hash</span>(<span class="kw-2">&</span><span class="ident">y</span>)); |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_debug</span>() { |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">FlagA</span> <span class="op">|</span> <span class="ident">FlagB</span>), <span class="string">"FlagA | FlagB"</span>); |
| <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">FlagABC</span>), <span class="string">"FlagA | FlagB | FlagC | FlagABC"</span>); |
| } |
| |
| <span class="kw">mod</span> <span class="ident">submodule</span> { |
| <span class="macro">bitflags</span><span class="macro">!</span> { |
| <span class="kw">pub</span> <span class="ident">flags</span> <span class="ident">PublicFlags</span>: <span class="ident">i8</span> { |
| <span class="kw">const</span> <span class="ident">FlagX</span> <span class="op">=</span> <span class="number">0</span>, |
| } |
| } |
| <span class="macro">bitflags</span><span class="macro">!</span> { |
| <span class="ident">flags</span> <span class="ident">PrivateFlags</span>: <span class="ident">i8</span> { |
| <span class="kw">const</span> <span class="ident">FlagY</span> <span class="op">=</span> <span class="number">0</span>, |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_private</span>() { |
| <span class="kw">let</span> _ <span class="op">=</span> <span class="ident">FlagY</span>; |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">test</span>]</span> |
| <span class="kw">fn</span> <span class="ident">test_public</span>() { |
| <span class="kw">let</span> _ <span class="op">=</span> <span class="ident">submodule</span>::<span class="ident">FlagX</span>; |
| } |
| |
| <span class="kw">mod</span> <span class="ident">t1</span> { |
| <span class="kw">mod</span> <span class="ident">foo</span> { |
| <span class="kw">pub</span> <span class="kw">type</span> <span class="ident">Bar</span> <span class="op">=</span> <span class="ident">i32</span>; |
| } |
| |
| <span class="macro">bitflags</span><span class="macro">!</span> { |
| <span class="doccomment">/// baz</span> |
| <span class="ident">flags</span> <span class="ident">Flags</span>: <span class="ident">foo</span>::<span class="ident">Bar</span> { |
| <span class="kw">const</span> <span class="ident">A</span> <span class="op">=</span> <span class="number">0b00000001</span>, |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">foo</span>)]</span> |
| <span class="kw">const</span> <span class="ident">B</span> <span class="op">=</span> <span class="number">0b00000010</span>, |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">foo</span>)]</span> |
| <span class="kw">const</span> <span class="ident">C</span> <span class="op">=</span> <span class="number">0b00000010</span>, |
| } |
| } |
| } |
| } |
| </pre> |
| </section> |
| <section id='search' class="content hidden"></section> |
| |
| <section class="footer"></section> |
| |
| <aside id="help" class="hidden"> |
| <div> |
| <h1 class="hidden">Help</h1> |
| |
| <div class="shortcuts"> |
| <h2>Keyboard Shortcuts</h2> |
| |
| <dl> |
| <dt>?</dt> |
| <dd>Show this help dialog</dd> |
| <dt>S</dt> |
| <dd>Focus the search field</dd> |
| <dt>⇤</dt> |
| <dd>Move up in search results</dd> |
| <dt>⇥</dt> |
| <dd>Move down in search results</dd> |
| <dt>⏎</dt> |
| <dd>Go to active search result</dd> |
| <dt>+</dt> |
| <dd>Collapse/expand all sections</dd> |
| </dl> |
| </div> |
| |
| <div class="infos"> |
| <h2>Search Tricks</h2> |
| |
| <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>type</code>, <code>macro</code>, |
| and <code>const</code>. |
| </p> |
| |
| <p> |
| Search functions by type signature (e.g. |
| <code>vec -> usize</code> or <code>* -> vec</code>) |
| </p> |
| </div> |
| </div> |
| </aside> |
| |
| |
| |
| <script> |
| window.rootPath = "../../"; |
| window.currentCrate = "bitflags"; |
| </script> |
| <script src="../../main.js"></script> |
| <script defer src="../../search-index.js"></script> |
| </body> |
| </html> |