nick8325/quickcheck — pull request #14 by bennofs (2014-06-05 19:19:11+00:00)
Title: Use lookupValueName to check if name exists

`reify` for locally defined names (in the same module as the splice) isn't
supported in GHC 7.8 anymore, so it fails. But we can still use
lookupValueName, which returns Nothing if the name doesn't exist.