Index - D
| D# | Protolude |
| Deadlock | |
| 1 (Data Constructor) | Protolude |
| 2 (Type/Class) | Protolude |
| decodeDoubleInteger | Protolude |
| decodeFloat | Protolude |
| deepseq | Protolude |
| denominator | Protolude |
| Denormal | Protolude |
| die | Protolude |
| displayException | Protolude |
| div | Protolude |
| DivideByZero | Protolude |
| divideDouble | Protolude |
| divideFloat | Protolude |
| divInteger | Protolude |
| divMod | Protolude |
| divModInteger | Protolude |
| divZeroError | Protolude |
| Double | Protolude |
| Double# | Protolude |
| double2Float | Protolude |
| double2Int | Protolude |
| doubleFromInteger | Protolude |
| Down | |
| 1 (Data Constructor) | Protolude |
| 2 (Type/Class) | Protolude |
| drop | Protolude |
| Dual | |
| 1 (Data Constructor) | Protolude |
| 2 (Type/Class) | Protolude |
| dupChan | Protolude |