Index - D
| Deadlock | |
| 1 (Type/Class) | Control.Exception.Extra |
| 2 (Data Constructor) | Control.Exception.Extra |
| delegate_ctlc | System.Process.Extra |
| delete | Data.List.Extra |
| deleteBy | Data.List.Extra |
| deleteFirstsBy | Data.List.Extra |
| Denormal | Control.Exception.Extra |
| detach_console | System.Process.Extra |
| disjoint | Data.List.Extra, Extra |
| disjointOrd | Data.List.Extra, Extra |
| disjointOrdBy | Data.List.Extra, Extra |
| displayException | Control.Exception.Extra |
| DivideByZero | Control.Exception.Extra |
| doesDirectoryExist | System.Directory.Extra |
| doesFileExist | System.Directory.Extra |
| doesPathExist | System.Directory.Extra |
| doubleToFloat | Numeric.Extra, Extra |
| drop | |
| 1 (Function) | Data.List.Extra |
| 2 (Function) | Data.List.NonEmpty.Extra |
| drop1 | Data.List.Extra, Extra |
| dropEnd | Data.List.Extra, Extra |
| dropEnd1 | Data.List.Extra, Extra |
| dropPrefix | Data.List.Extra, Extra |
| dropSuffix | Data.List.Extra, Extra |
| dropWhile | |
| 1 (Function) | Data.List.Extra |
| 2 (Function) | Data.List.NonEmpty.Extra |
| dropWhileEnd | Data.List.Extra |
| dropWhileEnd' | Data.List.Extra, Extra |
| Dual | |
| 1 (Type/Class) | Data.Monoid.Extra |
| 2 (Data Constructor) | Data.Monoid.Extra |
| dupChan | Control.Concurrent.Extra |
| dupe | Data.Tuple.Extra, Extra |
| duration | System.Time.Extra, Extra |