Re: User constructed types with new Data.Typeable and Data.Reflection

Development writes:

Ah thanks. I had no idea the `App` pattern actually was bidirectional. I had tried the `Con’` pattern but that is only valid for deconstruction. Is there any way to tell in the docs whether a pattern is bidirectional?

Hmmm, that is a good question. Indeed this appears to be quite unclear. Alex, is this a known issue? Cheers, - Ben