struct String.UnicodeScalarView.Iterator

An iterator over the Unicode scalars that make up a UnicodeScalarView collection.

Inheritance IteratorProtocol View Protocol Hierarchy →
Import import Swift

Instance Methods

mutating func next()

Advances to the next element and returns it, or nil if no next element exists.

Once nil has been returned, all subsequent calls return nil.

Precondition: next() has not been applied to a copy of self since the copy was made.


mutating func next() -> UnicodeScalar?