id summary reporter owner description type status milestone component version severity resolution keywords cc 9736 [documentation] document the size() extension points Neil Groves Neil Groves I added optimisations and extension-points to efficiently get the size() of a range. This means that when passing a type such as std::list that an optimal size() function is chosen in preference to performing std::distance on bidirectional iterators. Tasks new To Be Determined range Boost 1.54.0 Not Applicable