Function tref

Dependencies/lua/src/ltests.c:1054–1062

static int tref (lua_State *L) {
  int level = lua_gettop(L);
  luaL_checkany(L, 1);
  lua_pushvalue(L, 1);
  lua_pushinteger(L, luaL_ref(L, LUA_REGISTRYINDEX));
  cast_void(level);  /* to avoid warnings */
  lua_assert(lua_gettop(L) == level+1);  /* +1 for result */
  return 1;
}

static int getref (lua_State *L) {
  int level = lua_gettop(L);