M_CodeJam_Collections_CollectionExtensions_EmptyIfNull__1

CollectionExtensions.EmptyIfNull(T) Method (IEnumerable(T))

Returns an empty instance of the collection for null values.

Namespace: CodeJam.Collections
Assembly: CodeJam (in CodeJam.dll) Version: 2.1.0.0

Syntax

C#

public static IEnumerable<T> EmptyIfNull<T>(
	this IEnumerable<T> source
)

VB

<ExtensionAttribute>
Public Shared Function EmptyIfNull(Of T) ( 
	source As IEnumerable(Of T)
) As IEnumerable(Of T)

F#

[<ExtensionAttribute>]
static member EmptyIfNull : 
        source : IEnumerable<'T> -> IEnumerable<'T> 

Parameters

 

source

Type: System.Collections.Generic.IEnumerable(T)
The source.

Type Parameters

 

T

Type of the collection values

Return Value

Type: IEnumerable(T)
The collection or empty instance if the collection is null.

Usage Note

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

See Also

Reference

CollectionExtensions Class
EmptyIfNull Overload
CodeJam.Collections Namespace