id summary reporter owner description type status milestone component version severity resolution keywords cc 3473 Request for joint_view for associative sequences e_r Christopher Schmidt "The current implementation of views does not preserve the associative-ness of the underlying sequence(s). However, c++0x-port correctly preserves the category. It has been suggested in the user mailing list (9/19/09 at 11:07PM) that the latter be ported to boost/fusion. http://groups.google.com/group/boost-list/browse_thread/thread/b34dba477b4b8dd6/a7df5982b2a48462?show_docid=a7df5982b2a48462&fwc=2#" Feature Requests closed Boost 1.41.0 fusion Boost 1.40.0 Problem fixed joint_view, map joel@… mr.chr.schmidt@…