Re: [boost] [static_assert.hpp] Add BOOST_STATIC_ASSERT_MSG?

Subject: Re: [boost] [static_assert.hpp] Add BOOST_STATIC_ASSERT_MSG?
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2011-01-27 10:04:05

Beman Dawes wrote:
>
> BOOST_STATIC_ASSERT predated C++0x static_assert, so it doesn't take
> advantage of static_assert's message argument when static_assert is
> available.
>
> It would break too much code to change BOOST_STATIC_ASSERT, but we can
> add a new macro that does take advantage of C++0x static_assert if
> available.

+1

> + #ifndef BOOST_NO_STATIC_ASSERT
> + #  define BOOST_STATIC_ASSERT_MSG( B, Msg ) static_assert(B, Msg)
> + #else
> + #  define BOOST_STATIC_ASSERT_MSG( B, Msg ) BOOST_STATIC_ASSERT( B )
> + #endif

The abbreviated "MSG" seems out of place.  I realize "BOOST_STATIC_ASSERT_MESSAGE" is very long, but it fits the pattern better.  I could make it even worse by suggesting that "BOOST_STATIC_ASSERT_WITH_MESSAGE" would read better, particularly since the message isn't being asserted.

_____
Rob Stewart                           robert.stewart_at_[hidden]
Software Engineer, Core Software      using std::disclaimer;
Susquehanna International Group, LLP  http://www.sig.com

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