[boost] Re: Library TR draft available

From: David Abrahams (dave_at_[hidden])
Date: 2004-11-10 11:24:09

Beman Dawes <bdawes_at_[hidden]> writes:

> The latest draft of the C++ Standard Library Technical Report is now
> available at
> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1711.pdf
>
> There may be editorial (non-substantiative) changes to the final
> version of the TR document, but this latest draft is believed to be
> final in terms of technical content. Thus it should be safe for
> implementors or users to write code based on this latest draft.
>
> It will be several years before most compilers come with a full
> implementation of the TR. But some vendors (Metrowerks, for example)
> are already shipping a few TR components. That brings up the question
> of what Boost code does during the transition.
>
> To insure Boost code works with various TR implementations, some Boost
> code will want to use the compiler vendor's version of the TR if the
> TR component required is available, but otherwise will want to use
> Boost equivalent code. How do we handle that?  The TR doesn't provide
> in configuration macros, so I guess we will have to roll our own.

Provide a switch that allows Boost headers to #include the appropriate
TR components and re-publish them with using declarations?

It's not perfect; there will be some differences in ADL behavior
because those types are actually in different namespaces.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com