LastIndexOfMany Generic Method

Wintellect PowerCollections

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[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]

Finds the index of the last item in a list equal to one of several given items. A passed IEqualityComparer is used to determine equality.

Namespace: Wintellect.PowerCollections
Assembly:  PowerCollections (in PowerCollections.dll)

Syntax

C#
public static int LastIndexOfMany<T>(
	IList<T> list,
	IEnumerable<T> itemsToLookFor,
	IEqualityComparer<T> equalityComparer
)
Visual Basic (Declaration)
Public Shared Function LastIndexOfMany(Of T) ( _
	list As IList(Of T), _
	itemsToLookFor As IEnumerable(Of T), _
	equalityComparer As IEqualityComparer(Of T) _
) As Integer
Visual C++
public:
generic<typename T>
static int LastIndexOfMany (
	IList<T>^ list, 
	IEnumerable<T>^ itemsToLookFor, 
	IEqualityComparer<T>^ equalityComparer
)

Parameters

list
IList<(Of <T>)>
The list to search.
itemsToLookFor
IEnumerable<(Of <T>)>
The items to search for.
equalityComparer
IEqualityComparer<(Of <T>)>
The IEqualityComparer<T> used to compare items for equality.

Return Value

The index of the last item equal to any of the items in the collection itemsToLookFor. -1 if no such item exists in the list.

Type Parameters

T

See Also

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