Hi Scott.
Some examples of representation;
After completion there were 3 leftovers and ... After completion there were <3> leftovers and ... After completion there were <3!unsigned int> leftovers and ... After completion there were <3!unsigned int/matching_profile> leftovers and ...
What you suggest is a whole new layer built on top of what the log library provides - as proposed & currently implemented. YMMV but what it does provide is something I find 'seriously lacking' in the currently available set of C++ libraries. Stating that it should not be accepted only due to it not containing that additional layer of support seems wrong, provided of course that what it does provide passes well through this public review. :-) The layer you request can, and would most likely be useful to, be build on top of what this library provides, either as a part of this or a separate library, but requiring that it 'solve the world' before accepting it seems too much. I can only imagine the next guy saying that it should not be accepted because it does not provide an out-of-the-box industry-grade network logging server that can be easily integrated with customer's standard Kerberos based authentication/authorization server to provide security over who can access those logs. :-) That said, I really hope to find the time to review the library. :-) Having such a library in boost seems like it would be a great plus. It would provide an arguably high-quality logging solution somewhere where lots of developers look first for high-quality solutions and would automatically gain it a large number of potential high-quality users/supporters/developers/reviewers as boost libraries have always had great support & maintenance and I do not recall many that got unmaintained and none that got absolutely lost & untouchable... Most, if not all, logging libraries I tried suffer greatly from not having that. Either their design grew stale and stuck in different backward compatibility issues or they stopped being developed all together. Using them always seemed like a not such a big step away from 'rolling your own', which then you most often actually do... Best regards, Jurko Gospodnetić