GHC (3), IO (1), alternative (1), applicative (1), base (6), basics (11), containers (10), control sequence (1), data (1), data_structure (1), devtool (1), file (2), ghci (5), haskell2010 (7), hspec (2), lens (1), library (2), list (27), maybe (1), monad (2), num (2), number (1), parsec (1), prelude (9), random (2), record (1), set (1), standard library (1), standard-library (1), standard_library