23 Jun
2012
23 Jun
'12
2:22 p.m.
From what I can find in the list archives [1], Boost.FileSystem also had a similar issue with the requirement that thrown exceptions inherit from std::exception. However, I'm not sure if [1] prompted the FileSystem-local hook or if it was resolved in some other way.
All exceptions should inherit from std::exception. There is no need to involve the boost::exception type in your code to use throw_exception.
This works both ways - you can and should inherit from std::exception whether you use BOOST_THROW_EXCEPTION or not, it's just that in the latter case, they will also inherit from boost::exception (via multiple inheritance if I understand the machinery correctly). John.