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: 2.5.0
Syntaxpublic static IEnumerable<T> FallbackIfEmpty<T>(
	this IEnumerable<T> source,
	IEnumerable<T> fallback
)
<ExtensionAttribute>
Public Shared Function FallbackIfEmpty(Of T) ( 
	source As IEnumerable(Of T),
	fallback As IEnumerable(Of T)
) As IEnumerable(Of T)
public:
[ExtensionAttribute]
generic<typename T>
static IEnumerable<T>^ FallbackIfEmpty(
	IEnumerable<T>^ source, 
	IEnumerable<T>^ fallback
)
[<ExtensionAttribute>]
static member FallbackIfEmpty : 
        source : IEnumerable<'T> * 
        fallback : IEnumerable<'T> -> IEnumerable<'T> 
Parameters
- source
 - Type: System.Collections.GenericIEnumerableT
The source sequence. - fallback
 - Type: System.Collections.GenericIEnumerableT
The alternate sequence that is returned
            if source is empty. 
Type Parameters
- T
 - 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