[boost] Re: [mpl] vector_c with enumerators?

From: Larry Evans (cppljevans_at_[hidden])
Date: 2005-02-10 19:03:47

On 02/10/2005 04:38 PM, Larry Evans wrote:
> On 02/01/2005 07:28 AM, Arkadiy Vertleyb wrote:
> 
>> I think that one major problem is that you promise next<> and prev<> on
>> integrals.  It would be quite problematic to satisfy this for enums 
>> staying
>> in the same enum type.
> 
> 
> In the sandbox vault, there's range_all.zip which, IFAICT, solves this
> problem by having a separate class, range_c_max, for including the
> max value in the enumeration.  Also next<> and prev<> have been
> specialized as well as integral_rank.  In addition, files in aux_/
> preprocessed/gcc had to be modified by supplying an explicit
> cast from an integral to the enumeration.

OOPS.  Sorry, wrong subject.

Actually, only the change to the preprocessed/gcc files is relevant to
this subject and maybe the next<> and prev<> specializations.
The subject I had in mind was creating a range_c for enumerations which
was a subject I'd emailed Aleksey about.