M_CodeJam_Collections_CollectionExtensions_NullIfEmpty__1

CollectionExtensions.NullIfEmpty(T) Method (List(T))

Returns null if the collection is empty.

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

Syntax

C#

public static List<T> NullIfEmpty<T>(
	this List<T> collection
)

VB

<ExtensionAttribute>
Public Shared Function NullIfEmpty(Of T) ( 
	collection As List(Of T)
) As List(Of T)

F#

[<ExtensionAttribute>]
static member NullIfEmpty : 
        collection : List<'T> -> List<'T> 

Parameters

 

collection

Type: System.Collections.Generic.List(T)
The collection.

Type Parameters

 

T

Type of the collection values

Return Value

Type: List(T)
null if the collection is empty.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type List(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
NullIfEmpty Overload
CodeJam.Collections Namespace