HashIdentity.Reference<'T> Type Function (F#)

Implements physical hashing, which means that it hashes on reference identity of objects, and the contents of value types.

Namespace/Module Path: Microsoft.FSharp.Collections.HashIdentity

Assembly: FSharp.Core (in FSharp.Core.dll)

// Signature:
Reference<'T (requires reference type)> :  IEqualityComparer<'T> (requires reference type)

// Usage:
Reference

Return Value

An object that implements IEqualityComparer.

Remarks

This function hashes using LanguagePrimitives.PhysicalEquality and LanguagePrimitives.PhysicalHash. That is, for value types uses GetHashCode and Equals (if no other optimization available), and for reference types uses GetHashCode and reference equality.

Platforms

Windows 8, Windows 7, Windows Server 2012, Windows Server 2008 R2

Version Information

F# Core Library Versions

Supported in: 2.0, 4.0, Portable

See Also

Reference

Collections.HashIdentity Module (F#)

Microsoft.FSharp.Collections Namespace (F#)