HashSet<T>.CreateSetComparer Method

Returns an IEqualityComparer object that can be used for equality testing of a HashSet<T> object.

Namespace:  System.Collections.Generic
Assembly:  System.Core (in System.Core.dll)

public static IEqualityComparer<HashSet<T>> CreateSetComparer()

Return Value

Type: System.Collections.Generic.IEqualityComparer<HashSet<T>>
An IEqualityComparer object that can be used for deep equality testing of the HashSet<T> object.

The IEqualityComparer object checks for equality at only one level; however, you can chain together comparers at additional levels to perform deeper equality testing.

Calling this method is an O(1) operation.

.NET Framework

Supported in: 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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