Re: [Boost-users] fusion/adapted/mpl.hpp

Subject: Re: [Boost-users] fusion/adapted/mpl.hpp
From: Stjepan Rajko (stipe_at_[hidden])
Date: 2008-09-10 13:26:56

On Wed, Sep 10, 2008 at 10:01 AM, e r <erwann.rogard_at_[hidden]> wrote:
> I wished there existed a metafun fusion_to_mpl such that
>
> MPL_ASSERT((is_same<fusion_to_mpl<input0_type>::type,mpl_input0_type>))
>
> so that the 1st version of a) could be replaced by
>
> typedef mpl::transform(
>  fusion_to_mpl<input0_type>::type,
>  F0
> )::type mpl_result0_type;
>

if you #include <boost/fusion/include/mpl.hpp>, every fusion sequence
will be a valid mpl sequence and every mpl sequence will be a valid
fusion sequence.  Hence, you can just do

typedef mpl::transform<input0_type, F0>::type mpl_result0_type;

Stjepan