Re: [boost] Answers re BENUM library for automated enum streaming

Subject: Re: [boost] Answers re BENUM library for automated enum streaming
From: David Abrahams (dave_at_[hidden])
Date: 2008-09-15 18:46:30

on Mon Sep 15 2008, Tony D <tony_in_da_uk-AT-yahoo.co.uk> wrote:

> Markus: apologies for not including the full URL.  The file is benum_v1.zip at
> http://www.boostpro.com/vault/
>
> Full URL is
> hhttp://www.boostpro.com/vault/index.php?action=downloadfile&filename=benum_v1.zip&directory=&PHPSESSID=b088ed5a443221683e910543098c9107- note Google Chrome mistakes it for a query, but the vault CGI doesn't seem to
> cope with %3D/%26 encoding of = and &.
>
> Thorsten / Marcus: roughly comparing to smart enum proposal:
> -    BENUM _automates_ conversions based on stringified source code,
>      which (postulating an extra macro "BENUM" hard-coding your favourite
>      selection of meta-data container and optional features) allows
>          BENUM(X, A = 1, B, C = 22, D = B|N);
>      to approximate
>          enum X { A = 1, B, C = 22, D = B|N };
>      and needs no further code to be streamable etc (preprocessor macros allow
>      run-time cross-referencing of stringified source code with array of actual
> values)

This interface requires variadic (C99) preprocessor support, does it
not?

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com