Removes the elements of the given set from this set.
In the following example, the elements of the employees set that are
also members of the neighbors set are removed. In particular, the
names "Bethany" and "Eric" are removed from employees.
var employees: Set = ["Alicia", "Bethany", "Chris", "Diana", "Eric"]
let neighbors: Set = ["Bethany", "Eric", "Forlani", "Greta"]
employees.subtract(neighbors)
print(employees)
// Prints "["Diana", "Chris", "Alicia"]"
- Parameter other: A set of the same type as the current set.
Removes the elements of the given set from this set.
In the following example, the elements of the
employeesset that arealso members of the
neighborsset are removed. In particular, thenames
"Bethany"and"Eric"are removed fromemployees.var employees: Set = ["Alicia", "Bethany", "Chris", "Diana", "Eric"]
let neighbors: Set = ["Bethany", "Eric", "Forlani", "Greta"]
employees.subtract(neighbors)
print(employees)
// Prints "["Diana", "Chris", "Alicia"]"
- Parameter other: A set of the same type as the current set.