snapframework/snap-core — pull request #184 by schell (2013-11-23 20:30:21+00:00)
Title: Conditional Typeable deriving for GHC versions.

It looks like Data.Typeable no longer exports Typeable1 so I added some CPP conditions to make Snap.Internal.Types compile. My changes may be naive - please check! But snap-core now builds and installs for me on ghc7.7.2013.11.06.