[boost] [type_traits] Request: is_iterable

I'd like to make a request for an is_iterable<T> type trait, which detects if a type can be used in C++11 range-based for. I have a prototype which currently meets my needs (I can make it available; it detects if both std::begin(c) and std::end(c) can be called), but I'm wondering: a) What should the name be? (I'm not married to is_iterable) b) Should there be a second template parameter indicating the type returned by derefencing the iterator, defaulting to don't care. c) What should the C++03 behavior be? d) Is there someone with more expertise than I willing to implement a robust version of it? Does this sound like a good idea? -- Nevin ":-)" Liber <mailto:nevin@eviloverlord.com> (847) 691-1404