| D# | GHC.Exts GHC.Float |
| Deadlock | Control.Exception GHC.Exception GHC.IOBase |
| December | System.Time |
| Denormal | Control.Exception GHC.Exception GHC.IOBase |
| Directory | GHC.Posix |
| DivideByZero | Control.Exception GHC.Exception GHC.IOBase |
| DuplexHandle | GHC.IOBase |
| DynException | Control.Exception GHC.Exception GHC.IOBase |
| DynIOError | GHC.IOBase |
| dateFmt | System.Locale |
| dateTimeFmt | System.Locale |
| ddef | Text.Html |
| deRefStablePtr | Foreign Foreign.StablePtr GHC.Stable |
| deRefWeak | System.Mem.Weak |
| debugHtml | Text.Html |
| debug_tests | Debug.QuickCheck.Batch |
| decimal | Text.ParserCombinators.Parsec.Token |
| decodeFloat | GHC.Float Prelude |
| defList | Text.Html |
| defOpt | Debug.QuickCheck.Batch |
| defaultTimeLocale | System.Locale |
| define | Text.Html |
| delFromFM | Data.FiniteMap |
| delFromSet | Data.Set |
| delListFromFM | Data.FiniteMap |
| delete | Data.List |
| deleteBy | Data.List |
| deleteFirstsBy | Data.List |
| denominator | Data.Ratio GHC.Real |
| diffClockTimes | System.Time |
| digitToInt | Data.Char GHC.Show |
| div | GHC.Real Prelude |
| divExact | GHC.Num |
| divInt | GHC.Base |
| divInt# | GHC.Base |
| divMod | GHC.Real Prelude |
| divModInt | GHC.Num |
| divZeroError | GHC.Word |
| divideDouble | GHC.Float |
| divideFloat | GHC.Float |
| dlist | Text.Html |
| doesDirectoryExist | System.Directory |
| doesFileExist | System.Directory |
| doesNotExistErrorType | System.IO.Error |
| done | GHC.Arr |
| dot | Text.ParserCombinators.Parsec.Token |
| double | Text.PrettyPrint Text.PrettyPrint.HughesPJ |
| double2Float | GHC.Float |
| double2Int | GHC.Float |
| doubleQuotes | Text.PrettyPrint Text.PrettyPrint.HughesPJ |
| drop | Data.List GHC.List Prelude |
| dropPS | Data.PackedString |
| dropWhile | Data.List GHC.List Prelude |
| dropWhilePS | Data.PackedString |
| dterm | Text.Html |
| dupChan | Control.Concurrent Control.Concurrent.Chan |
| dynApp | Data.Dynamic |
| dynApply | Data.Dynamic |
| dynExceptions | Control.Exception |
