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EnumerableExtensionsThisOrEmptyT Method

Returns either the provided enumeration, or if it is null, an empty enumeration.

Namespace: Altaxo.Collections
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)
Syntax
C#
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public static IEnumerable<T> ThisOrEmpty<T>(
	this IEnumerable<T>? org
)

Parameters

org  IEnumerableT
The orginal enumeration (may be null)

Type Parameters

T
Type of elements of the enumeration.

Return Value

IEnumerableT
Either the original enumeration (if it is not null); otherwise, an empty enumeration.

Usage Note

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