Click or drag to resize

MoreEnumerableFallbackIfEmptyT Method (IEnumerableT, IEnumerableT)

Returns the elements of a sequence, but if it is empty then returns an altenate sequence of values.

Namespace:  MoreLinq
Assembly:  MoreLinq (in MoreLinq.dll) Version: 2.4.0
public static IEnumerable<T> FallbackIfEmpty<T>(
	this IEnumerable<T> source,
	IEnumerable<T> fallback


Type: System.Collections.GenericIEnumerableT
The source sequence.
Type: System.Collections.GenericIEnumerableT
The alternate sequence that is returned if source is empty.

Type Parameters

The type of the elements in the sequences.

Return Value

Type: IEnumerableT
An IEnumerableT that containing fallback values if source is empty; otherwise, source.

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