Function luaT_callorderTM

third-party/lua-5.3.5/src/ltm.c:158–164

int luaT_callorderTM (lua_State *L, const TValue *p1, const TValue *p2,
                      TMS event) {
  if (!luaT_callbinTM(L, p1, p2, L->top, event))
    return -1;  /* no metamethod */
  else
    return !l_isfalse(L->top);
}