Index - D
| DashPunctuation | Papa |
| DecimalNumber | Papa |
| declareClassy | Papa |
| declareClassyFor | Papa |
| declareFields | Papa |
| declareLenses | Papa |
| declareLensesFor | Papa |
| declareLensesWith | Papa |
| declarePrisms | Papa |
| declareWrapped | Papa |
| decodeFloat | Papa |
| deep | Papa |
| deepOf | Papa |
| defaultFieldRules | Papa |
| DefName | Papa |
| delete | Papa |
| deleteBy | Papa |
| deleteFirstsBy | Papa |
| denominator | Papa |
| devoid | Papa |
| diff | Papa |
| dimap | Papa |
| dimapping | Papa |
| distrib | Papa |
| divMod | Papa |
| Double | Papa |
| Down | |
| 1 (Data Constructor) | Papa |
| 2 (Type/Class) | Papa |
| drop | Papa |
| dropping | Papa |
| droppingWhile | Papa |
| dropWhile | Papa |
| dropWhileEnd | Papa |
| Dual | Papa |
| duplicated | Papa |