static int getIntOrMinus1(L l, int i) {
  ret toIntOrMinus1(get(l, i));
}

static int getIntOrMinus1(Map map, O key) {
  ret toIntOrMinus1(mapGet(map, key));
}

static int getIntOrMinus1(O o, S field) {
  ret toIntOrMinus1(getOpt(o, field);
}

static int mapMethodLike getIntOrMinus1(S field, O o) {
  ret getIntOrMinus1(o, field);
}