public static IEnumerable<TSource> Pad<TSource>(
	this IEnumerable<TSource> source,
	int width,
	Func<int, TSource> paddingSelector
)

<ExtensionAttribute>
Public Shared Function Pad(Of TSource) ( 
	source As IEnumerable(Of TSource),
	width As Integer,
	paddingSelector As Func(Of Integer, TSource)
) As IEnumerable(Of TSource)

public:
[ExtensionAttribute]
generic<typename TSource>
static IEnumerable<TSource>^ Pad(
	IEnumerable<TSource>^ source, 
	int width, 
	Func<int, TSource>^ paddingSelector
)

[<ExtensionAttribute>]
static member Pad : 
        source : IEnumerable<'TSource> * 
        width : int * 
        paddingSelector : Func<int, 'TSource> -> IEnumerable<'TSource> 

int[] numbers = { 0, 1, 2 };
IEnumerable<int> result = numbers.Pad(5, i => -i);