Returns the position immediately after the given index.
Required.
SDK
Framework
func index(after i: Self.Index) -> Self.Index
iA valid index of the collection. i must be less than end.
The index value immediately after i.
The successor of an index must be well defined. For an index i into a collection c, calling c returns the same index every time.
var startIndex : Self.Index The position of the first element in a nonempty collection.
Required.
var endIndex : Self.Index The collection’s “past the end” position—that is, the position one greater than the last valid subscript argument.
Required.
var indices: Self.Indices The indices that are valid for subscripting the collection, in ascending order.
Required. Default implementation provided.
func formIndex (inout Self.Index, offsetBy : Int)Offsets the given index by the specified distance.
func formIndex (inout Self.Index, offsetBy : Int, limitedBy : Self.Index) -> Bool Offsets the given index by the specified distance, or so that it equals the given limiting index.