Re: [Boost-users] Useful macro

From: David Abrahams (dave_at_[hidden])
Date: 2007-07-26 10:41:16

on Tue Jul 24 2007, Pavel Syomin <syomin-AT-radico.ru> wrote:

> Hello!
>
> I don't sure, that I choose right mail list for my ofer... So, don't 
> beat me much... :)
> I often use such macro for testing function parameters:
>
> #define THROW_INVALID_ARGUMENT_IF_FAIL(expression)                   \
> do {                                           \
>     using std::invalid_argument;                           \
>     using std::string;                               \
>                                            \
>     if(!(expression))                               \
>         throw invalid_argument(string(BOOST_CURRENT_FUNCTION) +           \
>                        " : Assertion '" #expression "' failed");  \
> } while(false)
>
> I think, that this macro is very useful and can be part of 
> <boost/utility.hpp>.

I don't think we should include facilities that encourage responding
to precondition violations with exceptions.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com
The Astoria Seminar ==> http://www.astoriaseminar.com