Re: [Boost-users] [range] joining ranges with different value types, then transforming with a polymorphic functor

Is there a way to do this?

You cannot join ranges of unrelated types. I can't imagine how this would work with unrelated types as in your example. What would you expect the resultant range from the join function to have for the value_type and reference type? You should however be able to do this: BOOST_FOREACH(const C c, join(a | transformed(to_C()), b | transforms(to_C())) { // do something }

Thanks, Nate.

Does this idiom work for your real world example? Neil Groves