a = new()
a.f = method(){
        .x.print()
}

c = new()
c.g = method(){
        (.x + 1).print()
}

# array of delegates
b = new()
b.delegate = new()
b.delegate[0] = a
b.delegate[1] = c
b.x = 3
b.f()
b.g()

# single delegate
d = new()
d.delegate = a
d.x = 7
d.f()