David A. Greene wrote: > Is it possible to have an MPL vector of MPL vectors?
Sure. MPL sequences are polymorphic regarding their elements; everything that is a type can be put into a sequence, and everything in MPL is a type :). > When I try this, the compiler (g++ 3.2) complains about an incomplete > type for push_back_traits: [snip code] The error is not related to the fact that you are trying to create a "vector of vectors"; if you try to 'push_back' an 'int' into a vector, you'll get the same diagnostics. Basically, what compiler is trying to say here is that 'push_back' on 'vector' is currently not implemented, - sorry! I know it differs from what the docs say, and it's on my to do list. Meanwhile, if you switch to using 'push_front' instead, everything will work just fine. Sometimes 'push'-ing backwards (i.e. at front) makes things much harder/messy than they could be, though, so let me know if that's the case here. Aleksey _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
