Hmmm, any chance this will make it into boost::detail namespace instead of boost::multi_index::detail, for V1.32? That'd be great because I could then reuse it in boost::fsm. I guess other libraries could benefit from this also.
Well, there's already a detail/allocator.hpp header by John Maddock! I had a cursory glance at it and seems like the functionality and workarounds provided there are not the same as mine --the header is not very self-explanatory. Maybe we can coalesce the two things together, but I'm not sure. John?
By all means, actually the current detail/allocator.hpp is designed for classes that are using an allocator internally, and may need to do a rebind internally; the workarounds in there probably won't work for std lib classes (or at least have never been tested with them). I also think that this header will become obsolete when the next regex revision becomes available, so basically do whatever you want with it, or I guess rename it for now until I can remove it entirely. John.