Re: [Boost-users] [multi-index] foreach supports breaks compilation

Subject: Re: [Boost-users] [multi-index] foreach supports breaks compilation
From: Szymon Gatner (szymon.gatner_at_[hidden])
Date: 2011-11-16 07:40:26

>
> If you can control the ordering, you can avoid the problem.
> But this solution is error prone.

Yup, can't really do this now.

>
>
> Fortunately, is_noncopyable and is_lightweight_proxy customization points
> seem to be only used in Boost.MultiIndex. So, I think, changing the name of
> namespace foreach is a viable solution.
> (Please note that this solution can break existing codes using
> is_noncopyable and is_lightweight_proxy customization points.)
>
> 1. Change
>    namespace foreach  -->  namespace foreach_
>    foreach:: --> foreach_::
> in boost/foreach.hpp and boost/foreach_fwd.hpp.
>
> 2. Change
>    foreach:: --> foreach_::
> in
> boost/multi_index/hashed_index.hpp
> boost/multi_index/ordered_index.hpp
> boost/multi_index/random_access_index.hpp
> boost/multi_index/sequenced_index.hpp
> (and, if you want, libs/foreach/test/noncopyable.cpp).
>

Thanks for that suggestion, will try for sure. For now tho I just removed
new code that was added to multi-index in 1.48 (to support foreach)
and all seems to work OK.

Cheers,
Simon