id summary reporter owner description type status milestone component version severity resolution keywords cc 4686 MSVC warning C4512 at /W4 (operator= can't be created) Stefan van Kessel Matias Capeletto "At /W4 msvc10 warns about not being able to generate the assignment operator for 4 classes. Example code that generates the warnings: {{{ #include int main(){ boost::bimap< int, char > bm; } }}} As the boost warnings guidelines[https://svn.boost.org/trac/boost/wiki/Guidelines/WarningsGuidelines] state ""Adding the declaration (not the definition) of the appropriate operator=() as a private member does the trick as well."" (disabling the warning by pragma would have to still be active at the point of bimap instantiation and thus disable the warning in user code) " Bugs new To Be Determined bimap Boost 1.44.0 Cosmetic C4512 warning bimap assignment operator operator= mateusz@…