Index - D
| Data | BasePrelude |
| dataCast1 | BasePrelude |
| dataCast2 | BasePrelude |
| DataRep | BasePrelude |
| DataType | BasePrelude |
| dataTypeConstrs | BasePrelude |
| dataTypeName | BasePrelude |
| dataTypeOf | BasePrelude |
| dataTypeRep | BasePrelude |
| Deadlock | |
| 1 (Data Constructor) | BasePrelude |
| 2 (Type/Class) | BasePrelude |
| Deci | BasePrelude |
| decodeFloat | BasePrelude |
| delete | BasePrelude |
| deleteBy | BasePrelude |
| deleteFirstsBy | BasePrelude |
| denominator | BasePrelude |
| Denormal | BasePrelude |
| div | BasePrelude |
| div' | BasePrelude |
| DivideByZero | BasePrelude |
| divMod | BasePrelude |
| divMod' | BasePrelude |
| doesNotExistErrorType | BasePrelude |
| Double | BasePrelude |
| Down | |
| 1 (Data Constructor) | BasePrelude |
| 2 (Type/Class) | BasePrelude |
| drop | BasePrelude |
| dropWhile | BasePrelude |
| dropWhileEnd | BasePrelude |
| Dual | |
| 1 (Data Constructor) | BasePrelude |
| 2 (Type/Class) | BasePrelude |