HashSet<T>.GetAlternateLookup<TAlternate> Method

Reference

Definition

Namespace:: System.Collections.Generic

Assembly:: System.Collections.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets an instance of a type that can be used to perform operations on the current HashSet<T> using a TAlternate instead of a T.

public:
generic <typename TAlternate>
 System::Collections::Generic::HashSet<T>::AlternateLookup<TAlternate> GetAlternateLookup();

public System.Collections.Generic.HashSet<T>.AlternateLookup<TAlternate> GetAlternateLookup<TAlternate> ();

member this.GetAlternateLookup : unit -> System.Collections.Generic.HashSet<'T>.AlternateLookup<'Alternate>

Public Function GetAlternateLookup(Of TAlternate) () As HashSet(Of T).AlternateLookup(Of TAlternate)

Type Parameters

TAlternate

The alternate type of instance for performing lookups.

Returns

HashSet<T>.AlternateLookup<TAlternate>

The created lookup instance.

Exceptions

InvalidOperationException

The set's comparer is not compatible with TAlternate.

Remarks

The set must use a comparer that implements IAlternateEqualityComparer<TAlternate,T> with TAlternate and T. If it doesn't, an exception is thrown.

Applies to

इसके माध्यम से साझा किया गया