Index - D
| decodeFloat | CorePrelude, BasicPrelude |
| delete | BasicPrelude |
| deleteBy | BasicPrelude |
| deleteFirstsBy | BasicPrelude |
| directory | CorePrelude, BasicPrelude |
| div | CorePrelude, BasicPrelude |
| divMod | CorePrelude, BasicPrelude |
| Double | CorePrelude, BasicPrelude |
| drop | BasicPrelude |
| dropWhile | BasicPrelude |
| dropWhileEnd | BasicPrelude |