public static IEnumerable<TResult> GroupAdjacent<TSource, TKey, TResult>(
	this IEnumerable<TSource> source,
	Func<TSource, TKey> keySelector,
	Func<TKey, IEnumerable<TSource>, TResult> resultSelector,
	IEqualityComparer<TKey> comparer
)

<ExtensionAttribute>
Public Shared Function GroupAdjacent(Of TSource, TKey, TResult) ( 
	source As IEnumerable(Of TSource),
	keySelector As Func(Of TSource, TKey),
	resultSelector As Func(Of TKey, IEnumerable(Of TSource), TResult),
	comparer As IEqualityComparer(Of TKey)
) As IEnumerable(Of TResult)

public:
[ExtensionAttribute]
generic<typename TSource, typename TKey, typename TResult>
static IEnumerable<TResult>^ GroupAdjacent(
	IEnumerable<TSource>^ source, 
	Func<TSource, TKey>^ keySelector, 
	Func<TKey, IEnumerable<TSource>^, TResult>^ resultSelector, 
	IEqualityComparer<TKey>^ comparer
)

[<ExtensionAttribute>]
static member GroupAdjacent : 
        source : IEnumerable<'TSource> * 
        keySelector : Func<'TSource, 'TKey> * 
        resultSelector : Func<'TKey, IEnumerable<'TSource>, 'TResult> * 
        comparer : IEqualityComparer<'TKey> -> IEnumerable<'TResult>