Index - D
| Data | Tonalude |
| dataCast1 | Tonalude |
| dataCast2 | Tonalude |
| dataTypeOf | Tonalude |
| DecodeError | Tonalude |
| decodeFloat | Tonalude |
| decodeUtf8' | Tonalude |
| decodeUtf8Lenient | Tonalude |
| decodeUtf8With | Tonalude |
| Display | Tonalude |
| display | Tonalude |
| displayBytesUtf8 | Tonalude |
| displayException | Tonalude |
| displayShow | Tonalude |
| div | Tonalude |
| divMod | Tonalude |
| Double | Tonalude |
| drop | Tonalude |
| dropWhile | Tonalude |