alias if2(cond1:Bool,
          cond2:Bool,
          both,
          first,
          second,
          neither)
{
  var res1 = cond1;
  var res2 = cond2;

  if (res1 and res2) return both;
  if (res1) return first;
  if (res2) return second;
  return neither;
}