Re: Is exception-safety possible at all?

From:
David Abrahams <dave@boostpro.com>
Newsgroups:
comp.lang.c++.moderated
Date:
Mon, 19 Jan 2009 01:59:17 CST
Message-ID:
<877i4s3yor.fsf@mcbain.luannocracy.com>
on Sun Jan 18 2009, rani_sharoni-AT-hotmail.com wrote:

I wrote an initial proposal to improve the current specifications but
never actually submitted it...

The original RTF and its HTML version:
http://www.geocities.com/rani_sharoni/Improving_STL_exp.htm
http://www.geocities.com/rani_sharoni/Improving_STL_exp.rtf


I would really like it if you'd submit that. I would support it. The
current CD is not the final one and I'm hoping this /might/ be the sort
of thing we could slip in before finalization.

However the bad things do not end here. There is a popular assumption
that operations on basic types (like "int") do not throw. I was hoping
it is true. But I cannot find a justification for such assumption in
the Standard. It even seems reasonable for some implementations to
throw for example in case of division by 0 or overflow/underflow.


Strange that it's not explicitly specified or otherwise how can any
operation be no-throw (e.g. STD destructors and swap).


I don't see a connection there.

--
Dave Abrahams
BoostPro Computing
http://www.boostpro.com

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