public void call(IntPtr l, object tar)
        {
            var types = BaseMethodMeta.GetArgTypes(l);

            if (!_RawIndexGetter.CanCall(types))
            {
                return;
            }
            _RawIndexGetter.call(l, tar);
        }
        public void call(IntPtr l, object tar)
        {
            var types = BaseMethodMeta.GetArgTypes(l);

            if (!_RawIndexSetter.CanCall(types))
            {
                l.pushboolean(true); // bool failed;
                return;
            }
            _RawIndexSetter.call(l, tar);
        }