sO cgetOrCall(O c, S name) {
  c = derefRef(c);
  O o;
  if (hasMethod(c, name))
    o = ccall(c, name);
  else
    o = getOpt(c, name);
  ret derefRef(o);
}

sO mapMethodLike cgetOrCall(S name, O c) {
  ret cgetOrCall(c, name);
}