If you compiler natively supports typeof, you can just use that. Otherwise you'll need to teach BOOST_TYPEOF to play well with bind. Here's the thread where this was done: http://groups.google.co.kr/group/boost-list/browse_thread/thread/1fb336e5b17e15be. And the ticked with a patch: https://svn.boost.org/trac/boost/ticket/3139.

Roman Perepelitsa.