union

Returns a new set containing all elements that are in either this set or the other set (or both).

Example:

    var a = new HashSet<string> (GLib.str_hash, GLib.str_equal);
    a.add ("1");
    a.add ("2");
    var b = new HashSet<string> (GLib.str_hash, GLib.str_equal);
    b.add ("2");
    b.add ("3");
    var u = a.union (b);
    assert (u.size () == 3);

Parameters:

other

the other set.

Returns:

a new set representing the union.