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diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/util.rs.html b/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/util.rs.html deleted file mode 100644 index 73b842f..0000000 --- a/rust/theBook/chapter-2-guessing-game/guessing_game/target/doc/src/getrandom/util.rs.html +++ /dev/null @@ -1,131 +0,0 @@ -<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/pico/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/getrandom-0.2.8/src/util.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>util.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../getrandom/index.html"> - <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk.png" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> -<span id="2">2</span> -<span id="3">3</span> -<span id="4">4</span> -<span id="5">5</span> -<span id="6">6</span> -<span id="7">7</span> -<span id="8">8</span> -<span id="9">9</span> -<span id="10">10</span> -<span id="11">11</span> -<span id="12">12</span> -<span id="13">13</span> -<span id="14">14</span> -<span id="15">15</span> -<span id="16">16</span> -<span id="17">17</span> -<span id="18">18</span> -<span id="19">19</span> -<span id="20">20</span> -<span id="21">21</span> -<span id="22">22</span> -<span id="23">23</span> -<span id="24">24</span> -<span id="25">25</span> -<span id="26">26</span> -<span id="27">27</span> -<span id="28">28</span> -<span id="29">29</span> -<span id="30">30</span> -<span id="31">31</span> -<span id="32">32</span> -<span id="33">33</span> -<span id="34">34</span> -<span id="35">35</span> -<span id="36">36</span> -<span id="37">37</span> -<span id="38">38</span> -<span id="39">39</span> -<span id="40">40</span> -<span id="41">41</span> -<span id="42">42</span> -<span id="43">43</span> -<span id="44">44</span> -<span id="45">45</span> -<span id="46">46</span> -<span id="47">47</span> -<span id="48">48</span> -<span id="49">49</span> -<span id="50">50</span> -<span id="51">51</span> -<span id="52">52</span> -<span id="53">53</span> -<span id="54">54</span> -<span id="55">55</span> -<span id="56">56</span> -<span id="57">57</span> -<span id="58">58</span> -<span id="59">59</span> -<span id="60">60</span> -<span id="61">61</span> -<span id="62">62</span> -<span id="63">63</span> -<span id="64">64</span> -</pre><pre class="rust"><code><span class="comment">// Copyright 2019 Developers of the Rand project. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. -</span><span class="attribute">#![allow(dead_code)] -</span><span class="kw">use </span>core::sync::atomic::{AtomicUsize, Ordering::Relaxed}; - -<span class="comment">// This structure represents a lazily initialized static usize value. Useful -// when it is preferable to just rerun initialization instead of locking. -// Both unsync_init and sync_init will invoke an init() function until it -// succeeds, then return the cached value for future calls. -// -// Both methods support init() "failing". If the init() method returns UNINIT, -// that value will be returned as normal, but will not be cached. -// -// Users should only depend on the _value_ returned by init() functions. -// Specifically, for the following init() function: -// fn init() -> usize { -// a(); -// let v = b(); -// c(); -// v -// } -// the effects of c() or writes to shared memory will not necessarily be -// observed and additional synchronization methods with be needed. -</span><span class="kw">pub struct </span>LazyUsize(AtomicUsize); - -<span class="kw">impl </span>LazyUsize { - <span class="kw">pub const fn </span>new() -> <span class="self">Self </span>{ - <span class="self">Self</span>(AtomicUsize::new(<span class="self">Self</span>::UNINIT)) - } - - <span class="comment">// The initialization is not completed. - </span><span class="kw">pub const </span>UNINIT: usize = usize::max_value(); - - <span class="comment">// Runs the init() function at least once, returning the value of some run - // of init(). Multiple callers can run their init() functions in parallel. - // init() should always return the same value, if it succeeds. - </span><span class="kw">pub fn </span>unsync_init(<span class="kw-2">&</span><span class="self">self</span>, init: <span class="kw">impl </span>FnOnce() -> usize) -> usize { - <span class="comment">// Relaxed ordering is fine, as we only have a single atomic variable. - </span><span class="kw">let </span><span class="kw-2">mut </span>val = <span class="self">self</span>.<span class="number">0</span>.load(Relaxed); - <span class="kw">if </span>val == <span class="self">Self</span>::UNINIT { - val = init(); - <span class="self">self</span>.<span class="number">0</span>.store(val, Relaxed); - } - val - } -} - -<span class="comment">// Identical to LazyUsize except with bool instead of usize. -</span><span class="kw">pub struct </span>LazyBool(LazyUsize); - -<span class="kw">impl </span>LazyBool { - <span class="kw">pub const fn </span>new() -> <span class="self">Self </span>{ - <span class="self">Self</span>(LazyUsize::new()) - } - - <span class="kw">pub fn </span>unsync_init(<span class="kw-2">&</span><span class="self">self</span>, init: <span class="kw">impl </span>FnOnce() -> bool) -> bool { - <span class="self">self</span>.<span class="number">0</span>.unsync_init(|| init() <span class="kw">as </span>usize) != <span class="number">0 - </span>} -} -</code></pre></div> -</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="getrandom" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12) (Arch Linux rust 1:1.66.0-1)" ></div></body></html>
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