id summary reporter owner description type status milestone component version severity resolution keywords cc 11780 Boost.Container support for transparent comparators Tavian Barnes Ion Gaztañaga "C++14 introduced[1] ""transparent comparators"" that allow looking things up in associative containers without necessarily constructing a key object. It would be nice to have them in boost::container::[flat_]{map,set}. [1]: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3657.htm" Feature Requests closed To Be Determined container Boost 1.59.0 Problem fixed