Re: [Boost-users] [mpl] erase_key confusion

From: David Abrahams (dave_at_[hidden])
Date: 2007-03-23 23:58:28

on Fri Mar 23 2007, David Abrahams <dave-AT-boost-consulting.com> wrote:

>>From scratch (untested):

And now, just by inspection...

>      template <class Seq, class E>
>      struct erase_first
>      {
>          typedef typename mpl::find<Seq, T>::type i;
>          typedef typename eval_if<
>              boost::is_same<i, typename mpl::end<Seq> >
                                                       ^::type
>            , mpl::identity<Seq>
>            , mpl::erase<Seq,i>
>          >::type type;
>      };
>
> HTH,

HTH-ly y'rs,

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