DeriveDataTypeable, GeneralizedNewtypeDeriving,
FlexibleInstances, StandaloneDeriving,
PatternGuards, EmptyDataDecls, NoImplicitPrelude
-
- if impl(ghc < 6.10)
- -- PatternSignatures was deprecated in 6.10
- extensions: PatternSignatures
}
exposed-modules:
Control.Applicative,