public static IEnumerable<T> Concat<T>(
	this IEnumerable<T> head,
	T tail
)

<ExtensionAttribute>
Public Shared Function Concat(Of T) ( 
	head As IEnumerable(Of T),
	tail As T
) As IEnumerable(Of T)

public:
[ExtensionAttribute]
generic<typename T>
static IEnumerable<T>^ Concat(
	IEnumerable<T>^ head, 
	T tail
)

[<ExtensionAttribute>]
static member Concat : 
        head : IEnumerable<'T> * 
        tail : 'T -> IEnumerable<'T>