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From: Vesa Karvonen (vesa.karvonen_at_[hidden])
Date: 2001-05-28 09:18:19

Is there a good reason to prefer a cast to "!!(expr)"?

----- Original Message -----
From: <bdawes_at_[hidden]>
To: <boost_at_[hidden]>
Sent: Monday, May 28, 2001 17:08
Subject: [boost] Re: BOOST_STATIC_ASSERT question

> --- In boost_at_y..., John Maddock <John_Maddock_at_c...> wrote:
> > static assert now casts to bool, so any integral constant
> expression will
> > do, provided of course that the compiler is able to handle integral
> > constant expressions correctly..
> I ran your changes through the Win32 regression tests and they worked
> on all the usual compilers.
> I notice you used old-style casts rather than static_cast<>. Was
> that because GCC doesn't handle static_cast<> correctly? (I tried
> it, and it worked for the other compilers but failed for GCC with an
> error message indicating lack of some static_cast<> support.)
> Anyhow, should you add a comment indicating why you are using old
> style casts?
> --Beman

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