EnumerableExtensionsWithPreviousAndNextT - метод

<ExtensionAttribute>
Public Shared Function WithPreviousAndNext(Of T) ( 
	elements As IEnumerable(Of T)
) As IEnumerable(Of ( As T,  As T,  As T))

public:
[ExtensionAttribute]
generic<typename T>
static IEnumerable<ValueTuple<T, T, T>>^ WithPreviousAndNext(
	IEnumerable<T>^ elements
)

[<ExtensionAttribute>]
static member WithPreviousAndNext : 
        elements : IEnumerable<'T> -> IEnumerable<ValueTuple<'T, 'T, 'T>>