MoreEnumerableIndexTSource Method (IEnumerableTSource)

Returns a sequence of KeyValuePairTKey, TValue where the key is the zero-based index of the value in the source sequence.

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 2.7.0

Syntax

C++

Copy

public static IEnumerable<KeyValuePair<int, TSource>> Index<TSource>(
	this IEnumerable<TSource> source
)

<ExtensionAttribute>
Public Shared Function Index(Of TSource) ( 
	source As IEnumerable(Of TSource)
) As IEnumerable(Of KeyValuePair(Of Integer, TSource))

public:
[ExtensionAttribute]
generic<typename TSource>
static IEnumerable<KeyValuePair<int, TSource>>^ Index(
	IEnumerable<TSource>^ source
)

[<ExtensionAttribute>]
static member Index : 
        source : IEnumerable<'TSource> -> IEnumerable<KeyValuePair<int, 'TSource>>

Parameters

source: Type: System.Collections.GenericIEnumerableTSource
The source sequence.

Type Parameters

TSource: Type of elements in source sequence.

Return Value

Type: IEnumerableKeyValuePairInt32, TSource
A sequence of KeyValuePairTKey, TValue.

Usage Note

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

Remarks

This operator uses deferred execution and streams its results.

Reference

MoreEnumerable Class

Index Overload

MoreLinq Namespace