My final solution that resulted in the 5th code block was to change get_connectivity_data to return a vector instead of taking one by reference, and that change would more easily allow the usage of transform. The key part of the problem I could not solve was the calling of a member function on each element of the containerwhile passing in a parameter which sounds really easy but for some reason was not Sent from my Verizon Wireless BlackBerry -----Original Message----- From: "Robert Jones" <robertgbjones@gmail.com> Date: Thu, 23 Oct 2008 08:08:38 To: <boost-users@lists.boost.org> Subject: Re: [Boost-users] [phoenix] or [lamdba] Operating on containers of smart pointers. _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users