MoreEnumerableFallbackIfEmptyT(IEnumerableT, T) Method

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

Definition

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 3.4.0+b99a6a8cc504caf2d48372fe54a2f8116c59cd0c
C#
public static IEnumerable<T> FallbackIfEmpty<T>(
	this IEnumerable<T> source,
	params T[] fallback
)

Parameters

source  IEnumerableT
The source sequence.
fallback  T
The array that is returned as the alternate sequence if source is empty.

Type Parameters

T
The type of the elements in the sequences.

Return Value

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