static O[] allConceptFieldsAsParams(Concept c) {
  Cl<S> l = conceptFields(c);
  O[] params = new[l(l)*2];
  int i = 0;
  fOr (S field : l) {
    params[i++] = field;
    params[i++] = cget(c, field);
  }
  ret params;
}