ToHashSetExtension.ToHashSet<TSource>(IEnumerable<TSource>, IEqualityComparer<TSource>) Method

Returns a HashSet<T> of the source items using the specified equality comparer for the type.

Definition

Namespace: MoreLinq.Extensions
Assembly: MoreLinq (in MoreLinq.dll) Version: 4.0.0+092a40d82a1b280568ffa006d9a210bdec0792cd
C#
public static HashSet<TSource> ToHashSet<TSource>(
	this IEnumerable<TSource> source,
	IEqualityComparer<TSource>? comparer
)

Parameters

source  IEnumerable<TSource>
Source sequence
comparer  IEqualityComparer<TSource>
Equality comparer to use; a value of null will cause the type's default equality comparer to be used

Type Parameters

TSource
Type of elements in source sequence.

Return Value

HashSet<TSource>
A hash set of the items in the sequence, using the default equality comparer.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Remarks

This evaluates the input sequence completely.

Exceptions

ArgumentNullExceptionsource is null

See Also