Re: [Boost-users] metaprogramming -- does a specialization exist?

Peter Foelsche wrote:

Is there some way to check at compile time whether a particular specialization exists? E.g. I have a template class with two template arguments which are commutative -- means they can be exchanged and the result is the same. Can I check whether

type<A, B> exists and if not select type<B, A>? I tried that:

http://codepad.org/k4dOuaZy but it still fails. But I thnik it should be investigated further -- ___________________________________________ Joel Falcou - Assistant Professor PARALL Team - LRI - Universite Paris Sud XI Tel : (+33)1 69 15 66 35