template TBitMask(T){

 public alias bit[T.size * 8] bitMask;

 private union masker{
  bitMask bits;
  T type;
 }

 public bitMask typeToMask(in T t){
  masker m;
  m.type = t;
  return m.bits;
 }

 public T maskToType(in bitMask bm){
  masker m;
  m.bits = bm;
  return m.type;
 }
}