public static IEnumerable<TSource> Prepend<TSource>(
	this IEnumerable<TSource> source,
	TSource value
)

<ExtensionAttribute>
Public Shared Function Prepend(Of TSource) ( 
	source As IEnumerable(Of TSource),
	value As TSource
) As IEnumerable(Of TSource)

public:
[ExtensionAttribute]
generic<typename TSource>
static IEnumerable<TSource>^ Prepend(
	IEnumerable<TSource>^ source, 
	TSource value
)

[<ExtensionAttribute>]
static member Prepend : 
        source : IEnumerable<'TSource> * 
        value : 'TSource -> IEnumerable<'TSource>