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<h1>Package hash</h1>
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<div id="short-nav"> <dl> <dd><code>import "hash"</code></dd> </dl> <dl> <dd><a href="index.html#pkg-overview" class="overviewLink">Overview</a></dd> <dd><a href="index.html#pkg-index" class="indexLink">Index</a></dd> <dd><a href="index.html#pkg-subdirectories">Subdirectories</a></dd> </dl> </div> <!-- The package's Name is printed as title by the top-level template --> <div id="pkg-overview" class="toggleVisible"> <div class="collapsed"> <h2 class="toggleButton" title="Click to show Overview section">Overview ▹</h2> </div> <div class="expanded"> <h2 class="toggleButton" title="Click to hide Overview section">Overview ▾</h2> <p>Package hash provides interfaces for hash functions.</p>
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<!-- Table of contents for API; must be named manual-nav to turn off auto nav. --> <div id="manual-nav"> <dl> <dd><a href="index.html#Hash">type Hash</a></dd> <dd><a href="index.html#Hash32">type Hash32</a></dd> <dd><a href="index.html#Hash64">type Hash64</a></dd> </dl> </div><!-- #manual-nav -->
<h4>Package files</h4> <p> <span style="font-size:90%"> <a href="http://localhost:6060/src/hash/hash.go">hash.go</a> </span> </p> </div><!-- .expanded --> </div><!-- #pkg-index -->
<div id="pkg-callgraph" class="toggle" style="display: none"> <div class="collapsed"> <h2 class="toggleButton" title="Click to show Internal Call Graph section">Internal call graph ▹</h2> </div> <!-- .expanded --> <div class="expanded"> <h2 class="toggleButton" title="Click to hide Internal Call Graph section">Internal call graph ▾</h2> <p> In the call graph viewer below, each node is a function belonging to this package and its children are the functions it calls—perhaps dynamically. </p> <p> The root nodes are the entry points of the package: functions that may be called from outside the package. There may be non-exported or anonymous functions among them if they are called dynamically from another package. </p> <p> Click a node to visit that function's source code. From there you can visit its callers by clicking its declaring <code>func</code> token. </p> <p> Functions may be omitted if they were determined to be unreachable in the particular programs or tests that were analyzed. </p> <!-- Zero means show all package entry points. --> <ul style="margin-left: 0.5in" id="callgraph-0" class="treeview"></ul> </div> </div> <!-- #pkg-callgraph -->
<h2 id="Hash">type <a href="http://localhost:6060/src/hash/hash.go?s=310:959#L1">Hash</a></h2> <pre>type Hash interface { <span class="comment">// Write (via the embedded io.Writer interface) adds more data to the running hash.</span> <span class="comment">// It never returns an error.</span> <a href="../io/index.html">io</a>.<a href="../io/index.html#Writer">Writer</a>
<span class="comment">// Sum appends the current hash to b and returns the resulting slice.</span> <span class="comment">// It does not change the underlying hash state.</span> Sum(b []<a href="../builtin/index.html#byte">byte</a>) []<a href="../builtin/index.html#byte">byte</a>
<span class="comment">// Reset resets the Hash to its initial state.</span> Reset()
<span class="comment">// Size returns the number of bytes Sum will return.</span> Size() <a href="../builtin/index.html#int">int</a>
<span class="comment">// BlockSize returns the hash's underlying block size.</span> <span class="comment">// The Write method must be able to accept any amount</span> <span class="comment">// of data, but it may operate more efficiently if all writes</span> <span class="comment">// are a multiple of the block size.</span> BlockSize() <a href="../builtin/index.html#int">int</a>}</pre> <p>Hash is the common interface implemented by all hash functions.</p>
<h2 id="Hash32">type <a href="http://localhost:6060/src/hash/hash.go?s=1037:1084#L24">Hash32</a></h2> <pre>type Hash32 interface { <a href="index.html#Hash">Hash</a> Sum32() <a href="../builtin/index.html#uint32">uint32</a>}</pre> <p>Hash32 is the common interface implemented by all 32-bit hash functions.</p>
<h2 id="Hash64">type <a href="http://localhost:6060/src/hash/hash.go?s=1162:1209#L30">Hash64</a></h2> <pre>type Hash64 interface { <a href="index.html#Hash">Hash</a> Sum64() <a href="../builtin/index.html#uint64">uint64</a>}</pre> <p>Hash64 is the common interface implemented by all 64-bit hash functions.</p>
<h2 id="pkg-subdirectories">Subdirectories</h2>
<div class="pkg-dir"> <table> <tr> <th class="pkg-name">Name</th> <th class="pkg-synopsis">Synopsis</th> </tr>
<tr> <td colspan="2"><a href="http://localhost:6060/pkg/">..</a></td> </tr>
<tr> <td class="pkg-name" style="padding-left: 0px;"> <a href="adler32/index.html">adler32</a> </td> <td class="pkg-synopsis"> Package adler32 implements the Adler-32 checksum. </td> </tr> <tr> <td class="pkg-name" style="padding-left: 0px;"> <a href="crc32/index.html">crc32</a> </td> <td class="pkg-synopsis"> Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum. </td> </tr> <tr> <td class="pkg-name" style="padding-left: 0px;"> <a href="crc64/index.html">crc64</a> </td> <td class="pkg-synopsis"> Package crc64 implements the 64-bit cyclic redundancy check, or CRC-64, checksum. </td> </tr> <tr> <td class="pkg-name" style="padding-left: 0px;"> <a href="fnv/index.html">fnv</a> </td> <td class="pkg-synopsis"> Package fnv implements FNV-1 and FNV-1a, non-cryptographic hash functions created by Glenn Fowler, Landon Curt Noll, and Phong Vo. </td> </tr> </table> </div>
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