MoreEnumerableToHashSetTSource Method (IEnumerableTSource, IEqualityComparerTSource)

Returns a HashSetT of the source items using the specified equality comparer for the type.

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 2.3.0

Syntax

public static HashSet<TSource> ToHashSet<TSource>(
	this IEnumerable<TSource> source,
	IEqualityComparer<TSource> comparer
)

<ExtensionAttribute>
Public Shared Function ToHashSet(Of TSource) ( 
	source As IEnumerable(Of TSource),
	comparer As IEqualityComparer(Of TSource)
) As HashSet(Of TSource)

public:
[ExtensionAttribute]
generic<typename TSource>
static HashSet<TSource>^ ToHashSet(
	IEnumerable<TSource>^ source, 
	IEqualityComparer<TSource>^ comparer
)

[<ExtensionAttribute>]
static member ToHashSet : 
        source : IEnumerable<'TSource> * 
        comparer : IEqualityComparer<'TSource> -> HashSet<'TSource>

Parameters

source: Type: System.Collections.GenericIEnumerableTSource
Source sequence
comparer: Type: System.Collections.GenericIEqualityComparerTSource
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

Type: HashSetTSource
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 IEnumerableTSource. 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).

Exceptions

Exception	Condition
ArgumentNullException	source is null

Remarks

This evaluates the input sequence completely.

Reference

MoreEnumerable Class

ToHashSet Overload

MoreLinq Namespace