Is there a common short idiom that does that already? Is there a rationale for not providing copying support?

Simply wrap the copy constructor with .def(init<>), e.g.: .def(init<your_type const&>((arg("other")))) Ralf ____________________________________________________________________________________ Fussy? Opinionated? Impossible to please? Perfect. Join Yahoo!'s user panel and lay it on us. http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7