A sequence that represents a contiguous subrange of the collection’s elements.
SDK
- Xcode 10.2+
Framework
- Swift Standard Library
Declaration
typealias Dictionary<Key, Value>.Keys.SubSequence = Slice<Dictionary<Key, Value>.Keys>
Discussion
This associated type appears as a requirement in the Sequence protocol, but it is restated here with stricter constraints. In a collection, the subsequence should also conform to Collection.