Function push_ref

third-part/skia/src/utils/SkLua.cpp:67–71

}

template <typename T> void push_ref(lua_State* L, T* ref) {
    *(T**)lua_newuserdata(L, sizeof(T*)) = SkSafeRef(ref);
    luaL_getmetatable(L, get_mtname<T>());
    lua_setmetatable(L, -2);
}

template <typename T> T* get_ref(lua_State* L, int index) {
    return *(T**)luaL_checkudata(L, index, get_mtname<T>());