id summary reporter owner description type status milestone component version severity resolution keywords cc 4229 Lookup by 'order' Domagoj Šarić Aleksey Gurtovoy "Please provide an at<> (or at-like) implementation for associative containers that accepts the value 'returned' by order<>. Motivation/a description of an example use case can be found in the following post: http://lists.boost.org/Archives/boost/2010/05/166358.php." Feature Requests new Boost 1.43.0 mpl Boost 1.44.0 Optimization