Re: [boost] [type_traits] Rewrite and dependency free version

There is no such thing as date-time/serialization at present.

Oops, sorry, there is, I was wrong. The serialization support _is_ in separate headers. date_time <boost/serialization/nvp.hpp> •from <boost/date_time/gregorian/greg_serialize.hpp> •from <boost/date_time/posix_time/time_serialize.hpp> <boost/serialization/split_free.hpp> •from <boost/date_time/gregorian/greg_serialize.hpp> •from <boost/date_time/posix_time/time_serialize.hpp> and only needs nvp.hpp and split_free.hpp.