M_CodeJam_Collections_ArrayExtensions_FindIndex__1_2

ArrayExtensions.FindIndex(T) Method (T[], Predicate(T))

[This is preliminary documentation and is subject to change.]

Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the first occurrence within the entire Array.

Namespace: CodeJam.Collections
Assembly: CodeJam (in CodeJam.dll) Version: 1.0.0.0 (1.0.0.0)

Syntax

C#

[PureAttribute]
public static int FindIndex<T>(
	[NotNullAttribute] this T[] array,
	[NotNullAttribute][InstantHandleAttribute] Predicate<T> match
)

VB

<ExtensionAttribute>
<PureAttribute>
Public Shared Function FindIndex(Of T) ( 
	<NotNullAttribute> array As T(),
	<NotNullAttribute><InstantHandleAttribute> match As Predicate(Of T)
) As Integer

F#

[<ExtensionAttribute>]
[<PureAttribute>]
static member FindIndex : 
        [<NotNullAttribute>] array : 'T[] * 
        [<NotNullAttribute>][<InstantHandleAttribute>] match : Predicate<'T> -> int 

Parameters

 

array

Type: T[]
The one-dimensional, zero-based Array to search.

match

Type: System.Predicate(T)
The Predicate(T) that defines the conditions of the element to search for.

Type Parameters

 

T

The type of the elements of the array.

Return Value

Type: Int32
The zero-based index of the first occurrence of an element that matches the conditions defined by match, if found; otherwise, –1.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type . 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	array is null.-or-match is null.

See Also

Reference

ArrayExtensions Class
FindIndex Overload
CodeJam.Collections Namespace