HashSet<T>.IntersectWith(IEnumerable<T>) Method

Definition

Modifies the current HashSet<T> object to contain only elements that are present in that object and in the specified collection.

C#
public void IntersectWith(System.Collections.Generic.IEnumerable<T> other);
C#
[System.Security.SecurityCritical]
public void IntersectWith(System.Collections.Generic.IEnumerable<T> other);

Parameters

other
IEnumerable<T>

The collection to compare to the current HashSet<T> object.

Implements

Attributes

Exceptions

other is null.

Remarks

If the collection represented by the other parameter is a HashSet<T> collection with the same equality comparer as the current HashSet<T> object, this method is an O(n) operation. Otherwise, this method is an O(n + m) operation, where n is Count and m is the number of elements in other.

Applies to

Product Versions
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP 10.0