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41 lines
2.1 KiB
41 lines
2.1 KiB
<HTML><HEAD><TITLE>Microsoft.FSharp.Collections.HashIdentity</TITLE><link rel="stylesheet" type="text/css"href="../msdn.css"></link></HEAD><BODY>
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<h1>[<a href='../namespaces.html'>Home</a>] Module <a href='Microsoft.FSharp.Collections.html'>Microsoft.FSharp.Collections</a>.HashIdentity </h1><br>
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<dt></dt><dd>
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<table>
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<tr valign='top'><td><summary>
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Common notions of value identity used with hash tables.
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</summary>
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<dt><h3>Values</h3></dt><dd>
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<table width="100%%">
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<tr><th width=60%>Value</th><th>Description</th></tr>
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<tr valign="top"><td><pre>val FromFunctions :
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('T -> <a href='Microsoft.FSharp.Core.type__int.html'>int</a>) -> ('T -> 'T -> <a href='Microsoft.FSharp.Core.type__bool.html'>bool</a>) -> IEqualityComparer<'T></pre></td><td><summary>
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Hash using the given hashing and equality functions
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</summary></td></tr>
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<tr valign="top"><td><pre>val LimitedStructural : <a href='Microsoft.FSharp.Core.type__int.html'>int</a> -> IEqualityComparer<'T></pre></td><td></td></tr>
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<tr valign="top"><td><pre>val Reference<'T> : IEqualityComparer<'T></pre></td><td><summary>
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Physical hashing (hash on reference identity of objects, and the contents of value types).
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Hash using LanguagePrimitives.PhysicalEquality and LanguagePrimitives.PhysicalHash,
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That is, for value types use GetHashCode and Object.Equals (if no other optimization available),
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and for reference types use System.Runtime.CompilerServices.RuntimeHelpers.GetHashCode and
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reference equality.
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</summary></td></tr>
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<tr valign="top"><td><pre>val Structural<'T> : IEqualityComparer<'T></pre></td><td><summary>
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Structural hashing. Hash using Operators.(=) and Operators.hash.
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</summary></td></tr>
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</table>
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</td></tr>
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<dt><h3>See Also</h3></dt><dd>
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<a href="Microsoft.FSharp.Collections.html">Microsoft.FSharp.Collections</a> </dd>
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</td></tr>
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</table>
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<br /> <br/><p><i>Documentation for assembly FSharp.Core, version 1.9.6.16, generated using <a href='http://research.microsoft.com/fsharp/'>F# Programming Language</a> version 1.9.6.16</i></p>
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