Exists 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.]

Determines if a collection contains any item that satisfies the condition defined by predicate.

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

Syntax

C#
public static bool Exists<T>( IEnumerable<T> collection, Predicate<T> predicate )

Visual Basic (Declaration)
Public Shared Function Exists(Of T) ( _ collection As IEnumerable(Of T), _ predicate As Predicate(Of T) _ ) As Boolean

Visual C++
public: generic<typename T> static bool Exists ( IEnumerable<T>^ collection, Predicate<T>^ predicate )

Parameters

collection: IEnumerable<(Of <T>)>
The collection to check all the items in.

predicate: Predicate<(Of <T>)>
A delegate that defines the condition to check for.

Return Value

True if the collection contains one or more items that satisfy the condition defined by predicate. False if the collection does not contain an item that satisfies predicate.

Type Parameters

T