[boost] Re: IOStreams formal review start

From: Jonathan Turkanis (technews_at_[hidden])
Date: 2004-09-10 10:22:27

Jonathan Turkanis <technews <at> kangaroologic.com> writes:
> [...]
> > > 1. scope_guard.hpp: maybe this file could be moved into
> > >     boost/detail and used by multi_index + iostreams until
> > >    something gets boostified.
> >
> > I'm for this. Unfortunately, my simplified scope_guard isn't working on
CW8.3
> > (though it passes the regression tests I've written for it.) So I'll
probably
> > use Joaquín's.
>
> Jonathan, does your CW 8.3 problem has to do with premature
> execution of the guard code?

Yes, exactly!

>  if so, then this is due not to your
> code, but to a compiler bug about the lifetime of temporary
> objects bound to references. See the following for a
> description:
>
> http://lists.boost.org/MailArchives/boost/msg65882.php

Thanks.

> This problem happens only when the "ISO C++ Template Parser"
> mode is on, so it can be avoided by explicitly setting
> the mode off with pragmas. Go to boost/multi_index_container.hpp
> and search for the two occurrences of parse_mfunc_templ in
> lines 77 and 531.
>
> Hope this helps,

Very much.

> Joaquín M López Muñoz
> Telefónica, Investigación y Desarrollo

Jonathan