Re: [Boost-users] Useful macro

From: Ilya Sokolov (fal_delivery_at_[hidden])
Date: 2007-07-24 10:44:22

Pavel Syomin 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>.

see Andrei Alexandrescu and Petru Marginean's article 'Enforcements'
http://www.ddj.com/dept/cpp/184403864