Index - D
| Day | ClassyPrelude | 
| decodeFloat | ClassyPrelude | 
| decodeUtf8 | ClassyPrelude | 
| deepseq | ClassyPrelude | 
| defaultCons | ClassyPrelude | 
| defaultFind | ClassyPrelude | 
| defaultIntersperse | ClassyPrelude | 
| defaultReverse | ClassyPrelude | 
| defaultSnoc | ClassyPrelude | 
| defaultSortBy | ClassyPrelude | 
| defaultSplitWhen | ClassyPrelude | 
| defaultTimeLocale | ClassyPrelude | 
| delete | ClassyPrelude | 
| deleteBy | ClassyPrelude | 
| deleteMap | ClassyPrelude | 
| deleteSet | ClassyPrelude | 
| Deque | ClassyPrelude | 
| difference | ClassyPrelude | 
| differenceMap | ClassyPrelude | 
| displayException | ClassyPrelude | 
| div | ClassyPrelude | 
| divMod | ClassyPrelude | 
| DList | ClassyPrelude | 
| DLList | ClassyPrelude | 
| doesNotExistErrorType | ClassyPrelude | 
| Double | ClassyPrelude | 
| Down | |
| 1 (Type/Class) | ClassyPrelude | 
| 2 (Data Constructor) | ClassyPrelude | 
| drop | ClassyPrelude | 
| dropEnd | ClassyPrelude | 
| dropPrefix | ClassyPrelude | 
| dropSuffix | ClassyPrelude | 
| dropWhile | ClassyPrelude | 
| dupChan | ClassyPrelude | 
| dupTChan | ClassyPrelude | 
| dupTMChan | ClassyPrelude |