Owein Reese

I see there's a `:paste` option, could that be combined with `:fail` to, in essence, get the desired result? If so, can close issue.

Do you Ned 2.10?

This reduces a lot of boilerplate. You intend to have the macro essentially generate all the variants, a la [boilerplate.scala](https://github.com/milessabin/shapeless/blob/master/project/Boilerplate.scala)? :+1:

I should add, that if we ever want to get to that 2.10 cross build (yes, I know, I've been terrible about it) while also introducing macros, we should consider...

Now that macro-compat is out, would you be looking to support the 2.11 more powerful and 2.10 less powerful at the same time? I'm asking because I'm very interested in...