Swift Set formUnion()

formUnion() Syntax

The syntax of the set formUnion() method is:

set.formUnion(otherSequence)

Here, set is an object of the Set class.

formUnion() Parameters

The formUnion() method takes a single parameter:

• otherSequence - The sequence (mostly arrays and sets) of elements.

Note: The other must be a finite set.

formUnion() Return Value

• The formUnion() method doesn't return any value. It inserts the elements of the given sequence into the set.

Example: Swift Set formUnion()

Output

New A: ["d", "a", "e", "c"]
New B: ["c", "d", "e", "b"]

Here, we have used the formUnion() method to insert elements of set B and array C into set A and set B respectively.