EnumerableExtensions.IndexOf(T) Method

EnumerableExtensionsIndexOfT Method

Returns the index of the first element that matches the given predicate.

Namespace: SphinxConnector.FluentApi.Util
Assembly: SphinxConnector (in SphinxConnector.dll) Version: 3.12.6

Syntax

public static int IndexOf<T>(
	this IEnumerable<T> enumerable,
	Func<T, bool> predicate
)

<ExtensionAttribute> 
Public Shared Function IndexOf(Of T) ( 
	enumerable As IEnumerable(Of T),
	predicate As Func(Of T, Boolean)
) As Integer

enumerable: Type: System.Collections.GenericIEnumerableT
The elements to check.
predicate: Type: SystemFuncT, Boolean
A function to test each element for a condition.

Type: Int32
The index of the first matching element, or -1 if no element matches.

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableT. 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).