static int getInt(L c, int i) {
  ret toInt(get(c, i));
}

static int getInt(Map map, O key) {
  ret toInt(mapGet(map, key));
}

static int getInt(O o, S field) {
  ret toInt(getOpt(o, (S) field));
}

static int mapMethodLike getInt(S field, O o) {
  ret getInt(o, field);
}