public static IEnumerable<T> FillForward<T>(
	this IEnumerable<T> source,
	Func<T, bool> predicate,
	Func<T, T, T> fillSelector
)

<ExtensionAttribute>
Public Shared Function FillForward(Of T) ( 
	source As IEnumerable(Of T),
	predicate As Func(Of T, Boolean),
	fillSelector As Func(Of T, T, T)
) As IEnumerable(Of T)

public:
[ExtensionAttribute]
generic<typename T>
static IEnumerable<T>^ FillForward(
	IEnumerable<T>^ source, 
	Func<T, bool>^ predicate, 
	Func<T, T, T>^ fillSelector
)

[<ExtensionAttribute>]
static member FillForward : 
        source : IEnumerable<'T> * 
        predicate : Func<'T, bool> * 
        fillSelector : Func<'T, 'T, 'T> -> IEnumerable<'T>