"Fernando Cacciola \(Home\)" <[EMAIL PROTECTED]> writes: > optional<Window> opt( in_place<Window>(point(0,0),point(10,10))); > > here, in_place() is used to forward T's ctor argument to optional<> so that > T is effectively constructed in-place right within the aligned storage. > > Is this what you want?
I have to say that I like the idea of using placement-new with an optional<> argument better, since it doesn't get you involved with the const ref/non-const ref/rvalue forwarding problem. -- Dave Abrahams Boost Consulting www.boost-consulting.com _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost