HList-0.2.3 won't build on GHC-7.8.2 (new base?). Current HList has major changes w r t "classic" HList. Pick one of:
- Port to latest HList.
- Fork HList from version 0.2.3 as HList-classic and port it to GHC-7.8.2.
- Creat my own minimal HList derivative with only the parts I use.
HList-0.2.3 won't build on GHC-7.8.2 (new base?). Current HList has major changes w r t "classic" HList. Pick one of: