Instance Methodswift 6.1.2Swift
next
Advances to the next element and returns it, or nil if no next element exists.
mutating func next() -> (key: Key, value: Value)? Once nil has been returned, all subsequent calls return nil.
Advances to the next element and returns it, or nil if no next element exists.
mutating func next() -> (key: Key, value: Value)? Once nil has been returned, all subsequent calls return nil.