XEnumerableIsNullOrEmptyTSource Method (IEnumerableTSource)

Indicates whether a sequence is null or empty.

Namespace: Linq.Extras
Assembly: Linq.Extras (in Linq.Extras.dll) Version: 5.0.0+96a4f4bfed64095342c5df107c1fe1fb95603ee5

Syntax

public static bool IsNullOrEmpty<TSource>(
	this IEnumerable<TSource>? source
)

<ExtensionAttribute>
Public Shared Function IsNullOrEmpty(Of TSource) ( 
	source As IEnumerable(Of TSource)
) As Boolean

[<ExtensionAttribute>]
static member IsNullOrEmpty : 
        source : IEnumerable<'TSource> -> bool

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

Type: Boolean
true if the source sequence is null or empty; otherwise, false.

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).