| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.3/src/bigint/addition.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>addition.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../num_bigint/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../num_bigint/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
| <span id="2">2</span> |
| <span id="3">3</span> |
| <span id="4">4</span> |
| <span id="5">5</span> |
| <span id="6">6</span> |
| <span id="7">7</span> |
| <span id="8">8</span> |
| <span id="9">9</span> |
| <span id="10">10</span> |
| <span id="11">11</span> |
| <span id="12">12</span> |
| <span id="13">13</span> |
| <span id="14">14</span> |
| <span id="15">15</span> |
| <span id="16">16</span> |
| <span id="17">17</span> |
| <span id="18">18</span> |
| <span id="19">19</span> |
| <span id="20">20</span> |
| <span id="21">21</span> |
| <span id="22">22</span> |
| <span id="23">23</span> |
| <span id="24">24</span> |
| <span id="25">25</span> |
| <span id="26">26</span> |
| <span id="27">27</span> |
| <span id="28">28</span> |
| <span id="29">29</span> |
| <span id="30">30</span> |
| <span id="31">31</span> |
| <span id="32">32</span> |
| <span id="33">33</span> |
| <span id="34">34</span> |
| <span id="35">35</span> |
| <span id="36">36</span> |
| <span id="37">37</span> |
| <span id="38">38</span> |
| <span id="39">39</span> |
| <span id="40">40</span> |
| <span id="41">41</span> |
| <span id="42">42</span> |
| <span id="43">43</span> |
| <span id="44">44</span> |
| <span id="45">45</span> |
| <span id="46">46</span> |
| <span id="47">47</span> |
| <span id="48">48</span> |
| <span id="49">49</span> |
| <span id="50">50</span> |
| <span id="51">51</span> |
| <span id="52">52</span> |
| <span id="53">53</span> |
| <span id="54">54</span> |
| <span id="55">55</span> |
| <span id="56">56</span> |
| <span id="57">57</span> |
| <span id="58">58</span> |
| <span id="59">59</span> |
| <span id="60">60</span> |
| <span id="61">61</span> |
| <span id="62">62</span> |
| <span id="63">63</span> |
| <span id="64">64</span> |
| <span id="65">65</span> |
| <span id="66">66</span> |
| <span id="67">67</span> |
| <span id="68">68</span> |
| <span id="69">69</span> |
| <span id="70">70</span> |
| <span id="71">71</span> |
| <span id="72">72</span> |
| <span id="73">73</span> |
| <span id="74">74</span> |
| <span id="75">75</span> |
| <span id="76">76</span> |
| <span id="77">77</span> |
| <span id="78">78</span> |
| <span id="79">79</span> |
| <span id="80">80</span> |
| <span id="81">81</span> |
| <span id="82">82</span> |
| <span id="83">83</span> |
| <span id="84">84</span> |
| <span id="85">85</span> |
| <span id="86">86</span> |
| <span id="87">87</span> |
| <span id="88">88</span> |
| <span id="89">89</span> |
| <span id="90">90</span> |
| <span id="91">91</span> |
| <span id="92">92</span> |
| <span id="93">93</span> |
| <span id="94">94</span> |
| <span id="95">95</span> |
| <span id="96">96</span> |
| <span id="97">97</span> |
| <span id="98">98</span> |
| <span id="99">99</span> |
| <span id="100">100</span> |
| <span id="101">101</span> |
| <span id="102">102</span> |
| <span id="103">103</span> |
| <span id="104">104</span> |
| <span id="105">105</span> |
| <span id="106">106</span> |
| <span id="107">107</span> |
| <span id="108">108</span> |
| <span id="109">109</span> |
| <span id="110">110</span> |
| <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> |
| </pre><pre class="rust"><code><span class="kw">use </span><span class="kw">super</span>::CheckedUnsignedAbs::{Negative, Positive}; |
| <span class="kw">use </span><span class="kw">super</span>::Sign::{Minus, NoSign, Plus}; |
| <span class="kw">use super</span>::{BigInt, UnsignedAbs}; |
| |
| <span class="kw">use crate</span>::{IsizePromotion, UsizePromotion}; |
| |
| <span class="kw">use </span>core::cmp::Ordering::{Equal, Greater, Less}; |
| <span class="kw">use </span>core::iter::Sum; |
| <span class="kw">use </span>core::mem; |
| <span class="kw">use </span>core::ops::{Add, AddAssign}; |
| <span class="kw">use </span>num_traits::{CheckedAdd, Zero}; |
| |
| <span class="comment">// We want to forward to BigUint::add, but it's not clear how that will go until |
| // we compare both sign and magnitude. So we duplicate this body for every |
| // val/ref combination, deferring that decision to BigUint's own forwarding. |
| </span><span class="macro">macro_rules! </span>bigint_add { |
| (<span class="macro-nonterminal">$a</span>:expr, <span class="macro-nonterminal">$a_owned</span>:expr, <span class="macro-nonterminal">$a_data</span>:expr, <span class="macro-nonterminal">$b</span>:expr, <span class="macro-nonterminal">$b_owned</span>:expr, <span class="macro-nonterminal">$b_data</span>:expr) => { |
| <span class="kw">match </span>(<span class="macro-nonterminal">$a</span>.sign, <span class="macro-nonterminal">$b</span>.sign) { |
| (<span class="kw">_</span>, NoSign) => <span class="macro-nonterminal">$a_owned</span>, |
| (NoSign, <span class="kw">_</span>) => <span class="macro-nonterminal">$b_owned</span>, |
| <span class="comment">// same sign => keep the sign with the sum of magnitudes |
| </span>(Plus, Plus) | (Minus, Minus) => BigInt::from_biguint(<span class="macro-nonterminal">$a</span>.sign, <span class="macro-nonterminal">$a_data </span>+ <span class="macro-nonterminal">$b_data</span>), |
| <span class="comment">// opposite signs => keep the sign of the larger with the difference of magnitudes |
| </span>(Plus, Minus) | (Minus, Plus) => <span class="kw">match </span><span class="macro-nonterminal">$a</span>.data.cmp(<span class="kw-2">&</span><span class="macro-nonterminal">$b</span>.data) { |
| Less => BigInt::from_biguint(<span class="macro-nonterminal">$b</span>.sign, <span class="macro-nonterminal">$b_data </span>- <span class="macro-nonterminal">$a_data</span>), |
| Greater => BigInt::from_biguint(<span class="macro-nonterminal">$a</span>.sign, <span class="macro-nonterminal">$a_data </span>- <span class="macro-nonterminal">$b_data</span>), |
| Equal => Zero::zero(), |
| }, |
| } |
| }; |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>, <span class="lifetime">'b</span>> Add<<span class="kw-2">&</span><span class="lifetime">'b </span>BigInt> <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span>BigInt { |
| <span class="kw">type </span>Output = BigInt; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add(<span class="self">self</span>, other: <span class="kw-2">&</span>BigInt) -> BigInt { |
| <span class="macro">bigint_add!</span>( |
| <span class="self">self</span>, |
| <span class="self">self</span>.clone(), |
| <span class="kw-2">&</span><span class="self">self</span>.data, |
| other, |
| other.clone(), |
| <span class="kw-2">&</span>other.data |
| ) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> Add<BigInt> <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span>BigInt { |
| <span class="kw">type </span>Output = BigInt; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add(<span class="self">self</span>, other: BigInt) -> BigInt { |
| <span class="macro">bigint_add!</span>(<span class="self">self</span>, <span class="self">self</span>.clone(), <span class="kw-2">&</span><span class="self">self</span>.data, other, other, other.data) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> Add<<span class="kw-2">&</span><span class="lifetime">'a </span>BigInt> <span class="kw">for </span>BigInt { |
| <span class="kw">type </span>Output = BigInt; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add(<span class="self">self</span>, other: <span class="kw-2">&</span>BigInt) -> BigInt { |
| <span class="macro">bigint_add!</span>(<span class="self">self</span>, <span class="self">self</span>, <span class="self">self</span>.data, other, other.clone(), <span class="kw-2">&</span>other.data) |
| } |
| } |
| |
| <span class="kw">impl </span>Add<BigInt> <span class="kw">for </span>BigInt { |
| <span class="kw">type </span>Output = BigInt; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add(<span class="self">self</span>, other: BigInt) -> BigInt { |
| <span class="macro">bigint_add!</span>(<span class="self">self</span>, <span class="self">self</span>, <span class="self">self</span>.data, other, other, other.data) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> AddAssign<<span class="kw-2">&</span><span class="lifetime">'a </span>BigInt> <span class="kw">for </span>BigInt { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add_assign(<span class="kw-2">&mut </span><span class="self">self</span>, other: <span class="kw-2">&</span>BigInt) { |
| <span class="kw">let </span>n = mem::replace(<span class="self">self</span>, BigInt::zero()); |
| <span class="kw-2">*</span><span class="self">self </span>= n + other; |
| } |
| } |
| <span class="macro">forward_val_assign!</span>(<span class="kw">impl </span>AddAssign <span class="kw">for </span>BigInt, add_assign); |
| |
| <span class="macro">promote_all_scalars!</span>(<span class="kw">impl </span>Add <span class="kw">for </span>BigInt, add); |
| <span class="macro">promote_all_scalars_assign!</span>(<span class="kw">impl </span>AddAssign <span class="kw">for </span>BigInt, add_assign); |
| <span class="macro">forward_all_scalar_binop_to_val_val_commutative!</span>(<span class="kw">impl </span>Add<u32> <span class="kw">for </span>BigInt, add); |
| <span class="macro">forward_all_scalar_binop_to_val_val_commutative!</span>(<span class="kw">impl </span>Add<u64> <span class="kw">for </span>BigInt, add); |
| <span class="macro">forward_all_scalar_binop_to_val_val_commutative!</span>(<span class="kw">impl </span>Add<u128> <span class="kw">for </span>BigInt, add); |
| |
| <span class="kw">impl </span>Add<u32> <span class="kw">for </span>BigInt { |
| <span class="kw">type </span>Output = BigInt; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add(<span class="self">self</span>, other: u32) -> BigInt { |
| <span class="kw">match </span><span class="self">self</span>.sign { |
| NoSign => From::from(other), |
| Plus => BigInt::from(<span class="self">self</span>.data + other), |
| Minus => <span class="kw">match </span><span class="self">self</span>.data.cmp(<span class="kw-2">&</span>From::from(other)) { |
| Equal => Zero::zero(), |
| Less => BigInt::from(other - <span class="self">self</span>.data), |
| Greater => -BigInt::from(<span class="self">self</span>.data - other), |
| }, |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>AddAssign<u32> <span class="kw">for </span>BigInt { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add_assign(<span class="kw-2">&mut </span><span class="self">self</span>, other: u32) { |
| <span class="kw">let </span>n = mem::replace(<span class="self">self</span>, BigInt::zero()); |
| <span class="kw-2">*</span><span class="self">self </span>= n + other; |
| } |
| } |
| |
| <span class="kw">impl </span>Add<u64> <span class="kw">for </span>BigInt { |
| <span class="kw">type </span>Output = BigInt; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add(<span class="self">self</span>, other: u64) -> BigInt { |
| <span class="kw">match </span><span class="self">self</span>.sign { |
| NoSign => From::from(other), |
| Plus => BigInt::from(<span class="self">self</span>.data + other), |
| Minus => <span class="kw">match </span><span class="self">self</span>.data.cmp(<span class="kw-2">&</span>From::from(other)) { |
| Equal => Zero::zero(), |
| Less => BigInt::from(other - <span class="self">self</span>.data), |
| Greater => -BigInt::from(<span class="self">self</span>.data - other), |
| }, |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>AddAssign<u64> <span class="kw">for </span>BigInt { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add_assign(<span class="kw-2">&mut </span><span class="self">self</span>, other: u64) { |
| <span class="kw">let </span>n = mem::replace(<span class="self">self</span>, BigInt::zero()); |
| <span class="kw-2">*</span><span class="self">self </span>= n + other; |
| } |
| } |
| |
| <span class="kw">impl </span>Add<u128> <span class="kw">for </span>BigInt { |
| <span class="kw">type </span>Output = BigInt; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add(<span class="self">self</span>, other: u128) -> BigInt { |
| <span class="kw">match </span><span class="self">self</span>.sign { |
| NoSign => BigInt::from(other), |
| Plus => BigInt::from(<span class="self">self</span>.data + other), |
| Minus => <span class="kw">match </span><span class="self">self</span>.data.cmp(<span class="kw-2">&</span>From::from(other)) { |
| Equal => BigInt::zero(), |
| Less => BigInt::from(other - <span class="self">self</span>.data), |
| Greater => -BigInt::from(<span class="self">self</span>.data - other), |
| }, |
| } |
| } |
| } |
| <span class="kw">impl </span>AddAssign<u128> <span class="kw">for </span>BigInt { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add_assign(<span class="kw-2">&mut </span><span class="self">self</span>, other: u128) { |
| <span class="kw">let </span>n = mem::replace(<span class="self">self</span>, BigInt::zero()); |
| <span class="kw-2">*</span><span class="self">self </span>= n + other; |
| } |
| } |
| |
| <span class="macro">forward_all_scalar_binop_to_val_val_commutative!</span>(<span class="kw">impl </span>Add<i32> <span class="kw">for </span>BigInt, add); |
| <span class="macro">forward_all_scalar_binop_to_val_val_commutative!</span>(<span class="kw">impl </span>Add<i64> <span class="kw">for </span>BigInt, add); |
| <span class="macro">forward_all_scalar_binop_to_val_val_commutative!</span>(<span class="kw">impl </span>Add<i128> <span class="kw">for </span>BigInt, add); |
| |
| <span class="kw">impl </span>Add<i32> <span class="kw">for </span>BigInt { |
| <span class="kw">type </span>Output = BigInt; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add(<span class="self">self</span>, other: i32) -> BigInt { |
| <span class="kw">match </span>other.checked_uabs() { |
| Positive(u) => <span class="self">self </span>+ u, |
| Negative(u) => <span class="self">self </span>- u, |
| } |
| } |
| } |
| <span class="kw">impl </span>AddAssign<i32> <span class="kw">for </span>BigInt { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add_assign(<span class="kw-2">&mut </span><span class="self">self</span>, other: i32) { |
| <span class="kw">match </span>other.checked_uabs() { |
| Positive(u) => <span class="kw-2">*</span><span class="self">self </span>+= u, |
| Negative(u) => <span class="kw-2">*</span><span class="self">self </span>-= u, |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Add<i64> <span class="kw">for </span>BigInt { |
| <span class="kw">type </span>Output = BigInt; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add(<span class="self">self</span>, other: i64) -> BigInt { |
| <span class="kw">match </span>other.checked_uabs() { |
| Positive(u) => <span class="self">self </span>+ u, |
| Negative(u) => <span class="self">self </span>- u, |
| } |
| } |
| } |
| <span class="kw">impl </span>AddAssign<i64> <span class="kw">for </span>BigInt { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add_assign(<span class="kw-2">&mut </span><span class="self">self</span>, other: i64) { |
| <span class="kw">match </span>other.checked_uabs() { |
| Positive(u) => <span class="kw-2">*</span><span class="self">self </span>+= u, |
| Negative(u) => <span class="kw-2">*</span><span class="self">self </span>-= u, |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Add<i128> <span class="kw">for </span>BigInt { |
| <span class="kw">type </span>Output = BigInt; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add(<span class="self">self</span>, other: i128) -> BigInt { |
| <span class="kw">match </span>other.checked_uabs() { |
| Positive(u) => <span class="self">self </span>+ u, |
| Negative(u) => <span class="self">self </span>- u, |
| } |
| } |
| } |
| <span class="kw">impl </span>AddAssign<i128> <span class="kw">for </span>BigInt { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>add_assign(<span class="kw-2">&mut </span><span class="self">self</span>, other: i128) { |
| <span class="kw">match </span>other.checked_uabs() { |
| Positive(u) => <span class="kw-2">*</span><span class="self">self </span>+= u, |
| Negative(u) => <span class="kw-2">*</span><span class="self">self </span>-= u, |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>CheckedAdd <span class="kw">for </span>BigInt { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>checked_add(<span class="kw-2">&</span><span class="self">self</span>, v: <span class="kw-2">&</span>BigInt) -> <span class="prelude-ty">Option</span><BigInt> { |
| <span class="prelude-val">Some</span>(<span class="self">self</span>.add(v)) |
| } |
| } |
| |
| <span class="macro">impl_sum_iter_type!</span>(BigInt); |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="num_bigint" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |