Re: [boost] Re: mpl apply_if.hpp question

From: Aleksey Gurtovoy (agurtovoy_at_[hidden])
Date: 2004-10-13 20:32:57

Larry Evans writes:
> It's here:
>
> http://cvs.sourceforge.net/viewcvs.py/boost-sandbox/boost-sandbox/boost/managed_ptr/smart_ptr.hpp?rev=1.2&view=auto
>
> specifically:
>
>          template <class Sequence, class Category, class Default>
>          struct get_policy
>          {
>              typedef typename mpl::find_if<
>                  Sequence, is_same<get_category<_>, Category>
>              >::type iter_;
>              typedef typename mpl::end<Sequence>::type last_;
>              typedef typename mpl::apply_if<
>                  typename is_same<iter_, last_>::type,
>                  mpl::identity<Default>, iter_
                                           ^^^^^
                                           mpl::deref<iter_>

>              >::type type;
>          };
>
> I replaced the apply_if with eval_if and got the previously mentioned
> errors.

The above should help.

-- 
Aleksey Gurtovoy
MetaCommunications Engineering