HashSet<T>.ExceptWith Method

Removes all elements in the specified collection from the current HashSet<T> object.

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

public void ExceptWith(
	IEnumerable<T> other
)

Parameters

other
Type: System.Collections.Generic.IEnumerable<T>
The collection of items to remove from the HashSet<T> object.

Implements

ISet<T>.ExceptWith(IEnumerable<T>)

ExceptionCondition
ArgumentNullException

other is null.

The ExceptWith method is the equivalent of mathematical set subtraction.

This method is an O(n) operation, where n is the number of elements in the other parameter.

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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