go_cloneable

type Cloneable interface {
  Clone() Cloneable;
}

type MapA map[int]string;
type MapB map[string]int;

func (m MapA) Clone() Clonable {
  nmap := make(MapA);
  for k,v := range(m) {
    nmap[k] = v;
  }
  return nmap;
}

func (m MapB) Clone() Cloneable {
  nmap := make(MapB);
  for k,v := range(m) {
    nmap[k] = v;
  }
  return nmap;
}

func main() {
  m1 := make(MapA);
  m1[1] = "foo";
  //var m2 MapB;

  c := m1.Clone();
  fmt.Println(c);
}