XEnumerableIndexOfTSource Method (IEnumerableTSource, TSource, IEqualityComparerTSource)

public static int IndexOf<TSource>(
	this IEnumerable<TSource> source,
	TSource item,
	IEqualityComparer<TSource>? comparer = null
)

<ExtensionAttribute>
Public Shared Function IndexOf(Of TSource) ( 
	source As IEnumerable(Of TSource),
	item As TSource,
	Optional comparer As IEqualityComparer(Of TSource) = Nothing
) As Integer

[<ExtensionAttribute>]
static member IndexOf : 
        source : IEnumerable<'TSource> * 
        item : 'TSource * 
        ?comparer : IEqualityComparer<'TSource> 
(* Defaults:
        let _comparer = defaultArg comparer null
*)
-> int