id summary reporter owner description type status milestone component version severity resolution keywords cc 804 type_traits has bad header guard mtimmerm John Maddock "{{{ type_traits.hpp begins: #ifndef BOOST_TR1_FUNCTIONAL_HPP_INCLUDED # define BOOST_TR1_FUNCTIONAL_HPP_INCLUDED which prevents functional.hpp from working. Cheers, Matt }}}" Bugs closed type_traits Boost 1.34.0 Fixed