Removes the elements of the set that are also in the given sequence and adds the members of the sequence that are not already in the set.
- Xcode 10.2+
- Swift Standard Library
In the following example, the elements of the
employees set that are also members of
neighbors are removed from
employees, while the elements of
neighbors that are not members of
employees are added to
employees. In particular, the names
"Diana" are removed from
employees while the names
"Greta" are added.