Function getref

Dependencies/lua/src/ltests.c:1064–1070

}

static int getref (lua_State *L) {
  int level = lua_gettop(L);
  lua_rawgeti(L, LUA_REGISTRYINDEX, luaL_checkinteger(L, 1));
  cast_void(level);  /* to avoid warnings */
  lua_assert(lua_gettop(L) == level+1);
  return 1;
}

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