Re: [boost] [foreach] abstract range

From: Shunsuke Sogame (mb2act_at_[hidden])
Date: 2006-05-03 00:05:34

Eric Niebler wrote:
> Shunsuke Sogame wrote:
> 
>>Hi gurus,
>>
>>Under VC7.1/8,
>>
>>    struct xxx : std::vector<int>
>>    {
>>        virtual void foo() = 0;
>>    };
>>
>>    void test(xxx& rng)
>>    {
>>        BOOST_FOREACH (int x, rng) {
>>        }
>>    }
>>
>>makes error,
>>
>>    foreach.hpp(361) : error C2259: 'xxx' : cannot instantiate abstract class
>>
>>
>>GCC3.4.4 compiles.
>>Is this wrong code?
>>
> 
> 
> 
> Thanks for the bug report. This is now fixed both in CVS HEAD and in the 
> release branch.

Thanks for fast response!
cvs seems to be outage, but that error reminded me of
"Prefer composition to inheritance" to change my codes :-)

-- 
Shunsuke Sogame