const hello = 'hello world!'

fn main() {
	cb1 := fn () string {
		return hello
	}
	cb2 := &cb1
	cb3 := &cb2
	println(voidptr(cb1) != voidptr(cb2))
	println(voidptr(cb2) != voidptr(cb3))
	println(voidptr(cb1) != voidptr(cb3))
}