Efficient code generation with GHC.Generics relies on the optimizer being able to completely remove the generic representation of a type. Marking these methods as inlinable ensures that this will be possible even for larger types.

I'm working on techniques for transforming generically derived lenses and traversals which rely on taking advantage of the Functor and Applicative laws. This patch supports that work.

https://github.com/glguy/generic-traverse