| ST | Control.Monad.ST Control.Monad.ST.Lazy Control.Monad.ST.Strict GHC.ST |
| STArray | Data.Array.ST GHC.Arr |
| STRef | Data.STRef Data.STRef.Lazy Data.STRef.Strict GHC.STRef |
| STRep | GHC.ST |
| STUArray | Data.Array.ST |
| STret | GHC.ST |
| SampleVar | Control.Concurrent Control.Concurrent.SampleVar |
| SeekMode | GHC.Handle System.IO |
| Set | Data.Set |
| Show | GHC.Show Prelude Text.Show |
| ShowS | GHC.Show Prelude Text.Show |
| SourceName | Text.ParserCombinators.Parsec Text.ParserCombinators.Parsec.Pos |
| SourcePos | Text.ParserCombinators.Parsec Text.ParserCombinators.Parsec.Pos |
| Splittable | GHC.Exts |
| StableName | System.Mem.StableName |
| StablePtr | Foreign Foreign.StablePtr GHC.Stable |
| State | Control.Monad.RWS Control.Monad.State |
| StateT | Control.Monad.RWS Control.Monad.State |
| StdGen | System.Random |
| Storable | Foreign Foreign.Storable GHC.Storable |
| StorableArray | Data.Array.Storable |
| String | Data.Char GHC.Base Prelude |
| Style | Text.PrettyPrint Text.PrettyPrint.HughesPJ |
