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hash.htm
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<!DOCTYPE html>
<html lang="en">
<head profile="http://a9.com/-/spec/opensearch/1.1/">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="./site.css" rel="stylesheet">
<title>hash</title>
</head>
<body>
<div class="container">
<h2 id="pkg-overview">package hash</h2>
<p><code>import "hash"</code>
<p>hash包提供hash函数的接口。</p>
<h3 id="pkg-index" class="section-header">Index <a class="permalink" href="#pkg-index">¶</a></h3>
<a href="../main.html"><h3>返回首页</h3></a>
</br>
<li><a href="#Hash">type Hash</a></li>
<li><a href="#Hash32">type Hash32</a></li>
<li><a href="#Hash64">type Hash64</a></li>
</ul>
<h3 id="Hash">type <a title="View Source" href="https://github.com/golang/go/blob/master/src/hash/hash.go?name=release#11">Hash</a> <a class="permalink" href="#pkg-index">¶</a></h3>
<pre>type Hash interface {<span class="com"></span>
<span class="com">// 通过嵌入的匿名io.Writer接口的Write方法向hash中添加更多数据，永远不返回错误</span>
<a href="io.htm">io</a>.<a href="io.htm#Writer">Writer</a>
<span class="com">// 返回添加b到当前的hash值后的新切片，不会改变底层的hash状态</span>
<span id="Hash.Sum">Sum</span>(b []<a href="builtin.htm#byte">byte</a>) []<a href="builtin.htm#byte">byte</a>
<span class="com">// 重设hash为无数据输入的状态</span>
<span id="Hash.Reset">Reset</span>()
<span class="com">// 返回Sum会返回的切片的长度</span>
<span id="Hash.Size">Size</span>() <a href="builtin.htm#int">int</a>
<span class="com">// 返回hash底层的块大小；Write方法可以接受任何大小的数据，</span>
<span class="com">// 但提供的数据是块大小的倍数时效率更高</span>
<span id="Hash.BlockSize">BlockSize</span>() <a href="builtin.htm#int">int</a>
}</pre>
<p>Hash是一个被所有hash函数实现的公共接口。</p>
<h3 id="Hash32">type <a title="View Source" href="https://github.com/golang/go/blob/master/src/hash/hash.go?name=release#34">Hash32</a> <a class="permalink" href="#pkg-index">¶</a></h3>
<pre>type Hash32 interface {
<a href="#Hash">Hash</a>
<span id="Hash32.Sum32">Sum32</span>() <a href="builtin.htm#uint32">uint32</a>
}</pre>
<p>Hash32是一个被所有32位hash函数实现的公共接口。</p>
<h3 id="Hash64">type <a title="View Source" href="https://github.com/golang/go/blob/master/src/hash/hash.go?name=release#40">Hash64</a> <a class="permalink" href="#pkg-index">¶</a></h3>
<pre>type Hash64 interface {
<a href="#Hash">Hash</a>
<span id="Hash64.Sum64">Sum64</span>() <a href="builtin.htm#uint64">uint64</a>
}</pre>
<p>Hash64是一个被所有64位hash函数实现的公共接口。</p>
</div>
</body>
</html>