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HashSet<T> Constructor (IEqualityComparer<T>)

Initializes a new instance of the HashSet<T> class that is empty and uses the specified equality comparer for the set type.

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

public HashSet(
	IEqualityComparer<T> comparer
)

Parameters

comparer
Type: System.Collections.Generic.IEqualityComparer<T>
The IEqualityComparer<T> implementation to use when comparing values in the set, or null to use the default EqualityComparer<T> implementation for the set type.

The capacity of a HashSet<T> object is the number of elements that the object can hold. A HashSet<T> object's capacity automatically increases as elements are added to the object.

This constructor is an O(1) operation.

Silverlight

Supported in: 5, 4

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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