Function luaL_callmeta

src/Chain/libraries/glua/lauxlib.cpp:2422–2429

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


LUALIB_API lua_Integer luaL_len(lua_State *L, int idx) {