Index - D
| Day | ClassyPrelude |
| decodeFloat | ClassyPrelude |
| decodeUtf8 | ClassyPrelude |
| defaultCons | ClassyPrelude |
| defaultFind | ClassyPrelude |
| defaultIntersperse | ClassyPrelude |
| defaultReverse | ClassyPrelude |
| defaultSnoc | ClassyPrelude |
| defaultSortBy | ClassyPrelude |
| defaultTimeLocale | ClassyPrelude |
| deleteMap | ClassyPrelude |
| deleteSet | ClassyPrelude |
| Deque | ClassyPrelude |
| difference | ClassyPrelude |
| differenceMap | ClassyPrelude |
| directory | ClassyPrelude |
| div | ClassyPrelude |
| divMod | ClassyPrelude |
| DList | ClassyPrelude |
| doesNotExistErrorType | ClassyPrelude |
| Double | ClassyPrelude |
| Down | |
| 1 (Data Constructor) | ClassyPrelude |
| 2 (Type/Class) | ClassyPrelude |
| drop | ClassyPrelude |
| dropWhile | ClassyPrelude |
| dupChan | ClassyPrelude |
| dupTChan | ClassyPrelude |