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Subject: Re: [boost] C++0x and MSVC 10
From: Zachary Turner (divisortheory_at_[hidden])
Date: 2010-02-14 22:48:37

On Sun, Feb 14, 2010 at 9:45 PM, Scott McMurray <[hidden]>wrote:

> On 14 February 2010 22:30, Zachary Turner <divisortheory_at_[hidden]> wrote:
> >
> > It almost appears as if the #else was simply forgotten on the first #if.
> > Can't we safely change the first conditional to the following?
> >
> I thought the convention was, for standard features, to just have the
> _NO_ version, and check for #ifndef if you want it, rather than having
> to keep both _NO_ and _HAS_ versions of the same thing.

Possibly, to be honest I'm not familiar with the conventions surrounding
these sorts of things and I couldn't find much documentation. The solution
I came up with was based off of looking at the gcc header file, and noting
that it does keep _NO_ and _HAS_ versions of the constants, and additionally
in various header files I still see plenty of references to BOOST_HAS_xxx
scattered around.

Either way, I guess some consensus needs to be reached, and maybe we should
change the rest of the codebase to follow it so that all libraries agree on
the convention.

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