Re: [boost] Generic try, catch in boost::lexical_cast

Subject: Re: [boost] Generic try, catch in boost::lexical_cast
From: Antony Polukhin (antoshkka_at_[hidden])
Date: 2011-05-19 12:32:43

2011/5/19 Jeroen Habraken <vexocide_at_[hidden]>:
> Hi,
>
> Whilst updating SVN today I spotted a change to boost::lexical_cast,
> https://svn.boost.org/trac/boost/changeset/71958, which introduces a
> try { } catch(...) { } construction. I'm curious as to why this
> catch-all is needed since it seems to be there to deal with
> boost::numeric_cast exceptions and whether it could lead to a
> std::bad_alloc being rethrown as a bad_lexical_cast.

numeric_cast does not use new operator, so std::bad_alloc will not be
rethrown as a bad_lexical_cast. But you are right, and it will be more
appropriate to catch only boost::numeric_cast exceptions. I`ll fix it
in next commit. Great thanks for reporting this.

Best regards,
Antony Polukhin