Function luaL_callmeta

lua/lauxlib.c:267–274

LUALIB_API int luaL_callmeta (lua_State *L, int obj, const char *event) {
  obj = abs_index(L, obj);
  if (!luaL_getmetafield(L, obj, event))  /* no metafield? */
    return 0;
  lua_pushvalue(L, obj);
  lua_call(L, 1, 1);
  return 1;
}


LUALIB_API void (luaL_register) (lua_State *L, const char *libname,