[boost] Re: boos::mpl::for_each: call function with return value

From: David Abrahams (dave_at_[hidden])
Date: 2003-11-04 14:41:03

Daniel Wallin <dalwan01_at_[hidden]> writes:

> Sebastian Faust wrote:
>> I tried that, but again I get a compile-error:
>> error: C2039: 'type': is not a member of boost::mpl::apply2<F, T1, T2>.
>> What have I done wrong? Sorry for these silly questions. Btw. can
>> you maybe
>> explain me why this error occurs?
>
> I think that's suppose to be:
>
>    struct make_vehicle
>    {
>       template< typename Base, typename T >
>       struct apply
>       {
>          struct type
>          {
>             static vehicle* make( vehicle* ptr )
>             {
>                return new T( Base::make( ptr ) );
>             }
>          };
>       };
>    };
>
> Or:
>
>    template< typename Base, typename T >
>    struct make_vehicle
>    {
>       static vehicle* make( vehicle* ptr )
>       {
>          return new T( Base::make( ptr ) );
>       }
>
>       BOOST_MPL_AUX_LAMBDA_SUPPORT(2, vehicle, (Base, T))
>    };

Right.  Thanks, Daniel!

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com