RE: [boost] Re: integral_c on g++2.95.3

From: Aleksey Gurtovoy (agurtovoy_at_[hidden])
Date: 2003-02-08 04:06:02

Gennaro Prota wrote:
> On Thu, 6 Feb 2003 06:05:23 -0600, Aleksey Gurtovoy
> <agurtovoy_at_[hidden]> wrote:
> > It has 'next'/'prior' members because it's the easiest/most 
> > efficient way to implement 'next/prior< integral_c<T,n> >::type'
> > functionality on compilers that don't support partial template 
> > specialization. 
> 
> However, if we agree that when having autonomous next/prior we will
> only use them to access next/prior< .. >::type and that the user
> *must* specialize them for everything else 

Nope, we don't. This should work out-of-box:

    struct her_iterator
    {
        typedef /* unspecified */ next;
    };

    typedef mpl::next<her_iterator>::type t;

Aleksey