class Foo { construct new() {} set(a, b, c, d, e) { _a = a _b = b _c = c _d = d _e = e } write { System.print(_a) System.print(_b) System.print(_c) System.print(_d) System.print(_e) } } var foo = Foo.new() foo.set(1, 2, 3, 4, 5) foo.write // expect: 1 // expect: 2 // expect: 3 // expect: 4 // expect: 5