static O[] allConceptFieldsAsParams(Concept c) {
  LS l = conceptFields(c);
  O[] params = new[l(l)*2];
  for i over l: {
    S field = l.get(i);
    params[i*2] = field;
    params[i*2+1] = cget(c, field);
  }
  ret params;
}