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  1. <!DOCTYPE html>
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  7. <title>fnv - The Go Programming Language</title>
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  33. <h1>Package fnv</h1>
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  35. <!--
  36. Copyright 2009 The Go Authors. All rights reserved.
  37. Use of this source code is governed by a BSD-style
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  46. <script type='text/javascript'>
  47. document.ANALYSIS_DATA = null;
  48. document.CALLGRAPH = null;
  49. </script>
  50. <div id="short-nav">
  51. <dl>
  52. <dd><code>import "hash/fnv"</code></dd>
  53. </dl>
  54. <dl>
  55. <dd><a href="index.html#pkg-overview" class="overviewLink">Overview</a></dd>
  56. <dd><a href="index.html#pkg-index" class="indexLink">Index</a></dd>
  57. </dl>
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  60. <div id="pkg-overview" class="toggleVisible">
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  62. <h2 class="toggleButton" title="Click to show Overview section">Overview ▹</h2>
  63. </div>
  64. <div class="expanded">
  65. <h2 class="toggleButton" title="Click to hide Overview section">Overview ▾</h2>
  66. <p>
  67. Package fnv implements FNV-1 and FNV-1a, non-cryptographic hash functions
  68. created by Glenn Fowler, Landon Curt Noll, and Phong Vo.
  69. See
  70. <a href="https://en.wikipedia.org/wiki/Fowler-Noll-Vo_hash_function">https://en.wikipedia.org/wiki/Fowler-Noll-Vo_hash_function</a>.
  71. </p>
  72. </div>
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  74. <div id="pkg-index" class="toggleVisible">
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  76. <h2 class="toggleButton" title="Click to show Index section">Index ▹</h2>
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  79. <h2 class="toggleButton" title="Click to hide Index section">Index ▾</h2>
  80. <!-- Table of contents for API; must be named manual-nav to turn off auto nav. -->
  81. <div id="manual-nav">
  82. <dl>
  83. <dd><a href="index.html#New32">func New32() hash.Hash32</a></dd>
  84. <dd><a href="index.html#New32a">func New32a() hash.Hash32</a></dd>
  85. <dd><a href="index.html#New64">func New64() hash.Hash64</a></dd>
  86. <dd><a href="index.html#New64a">func New64a() hash.Hash64</a></dd>
  87. </dl>
  88. </div><!-- #manual-nav -->
  89. <h4>Package files</h4>
  90. <p>
  91. <span style="font-size:90%">
  92. <a href="http://localhost:6060/src/hash/fnv/fnv.go">fnv.go</a>
  93. </span>
  94. </p>
  95. </div><!-- .expanded -->
  96. </div><!-- #pkg-index -->
  97. <div id="pkg-callgraph" class="toggle" style="display: none">
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  99. <h2 class="toggleButton" title="Click to show Internal Call Graph section">Internal call graph ▹</h2>
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  101. <div class="expanded">
  102. <h2 class="toggleButton" title="Click to hide Internal Call Graph section">Internal call graph ▾</h2>
  103. <p>
  104. In the call graph viewer below, each node
  105. is a function belonging to this package
  106. and its children are the functions it
  107. calls&mdash;perhaps dynamically.
  108. </p>
  109. <p>
  110. The root nodes are the entry points of the
  111. package: functions that may be called from
  112. outside the package.
  113. There may be non-exported or anonymous
  114. functions among them if they are called
  115. dynamically from another package.
  116. </p>
  117. <p>
  118. Click a node to visit that function's source code.
  119. From there you can visit its callers by
  120. clicking its declaring <code>func</code>
  121. token.
  122. </p>
  123. <p>
  124. Functions may be omitted if they were
  125. determined to be unreachable in the
  126. particular programs or tests that were
  127. analyzed.
  128. </p>
  129. <!-- Zero means show all package entry points. -->
  130. <ul style="margin-left: 0.5in" id="callgraph-0" class="treeview"></ul>
  131. </div>
  132. </div> <!-- #pkg-callgraph -->
  133. <h2 id="New32">func <a href="http://localhost:6060/src/hash/fnv/fnv.go?s=698:722#L21">New32</a></h2>
  134. <pre>func New32() <a href="../index.html">hash</a>.<a href="../index.html#Hash32">Hash32</a></pre>
  135. <p>
  136. New32 returns a new 32-bit FNV-1 hash.Hash.
  137. Its Sum method will lay the value out in big-endian byte order.
  138. </p>
  139. <h2 id="New32a">func <a href="http://localhost:6060/src/hash/fnv/fnv.go?s=879:904#L28">New32a</a></h2>
  140. <pre>func New32a() <a href="../index.html">hash</a>.<a href="../index.html#Hash32">Hash32</a></pre>
  141. <p>
  142. New32a returns a new 32-bit FNV-1a hash.Hash.
  143. Its Sum method will lay the value out in big-endian byte order.
  144. </p>
  145. <h2 id="New64">func <a href="http://localhost:6060/src/hash/fnv/fnv.go?s=1060:1084#L35">New64</a></h2>
  146. <pre>func New64() <a href="../index.html">hash</a>.<a href="../index.html#Hash64">Hash64</a></pre>
  147. <p>
  148. New64 returns a new 64-bit FNV-1 hash.Hash.
  149. Its Sum method will lay the value out in big-endian byte order.
  150. </p>
  151. <h2 id="New64a">func <a href="http://localhost:6060/src/hash/fnv/fnv.go?s=1241:1266#L42">New64a</a></h2>
  152. <pre>func New64a() <a href="../index.html">hash</a>.<a href="../index.html#Hash64">Hash64</a></pre>
  153. <p>
  154. New64a returns a new 64-bit FNV-1a hash.Hash.
  155. Its Sum method will lay the value out in big-endian byte order.
  156. </p>
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