Index - D
| Deadlock | |
| 1 (Data Constructor) | Nix.Frames, Nix |
| 2 (Type/Class) | Nix.Frames, Nix |
| Debug | Nix.Frames, Nix |
| DebugInfo | Nix.Options, Nix |
| decodeFloat | Nix.Utils |
| decodeVerbosity | Nix.Options.Parser |
| defaultOptions | Nix.Options, Nix |
| Deferred | |
| 1 (Type/Class) | Nix.Thunk, Nix |
| 2 (Data Constructor) | Nix.Thunk, Nix |
| deltaInfo | Nix.Expr.Types.Annotated, Nix.Expr, Nix |
| Denormal | Nix.Frames, Nix |
| derivationStrict | Nix.Effects |
| describeValue | Nix.Value, Nix |
| desugarBinds | Nix.Eval |
| dethunk | Nix.Pretty, Nix |
| displayException | Nix.Frames, Nix |
| div | Nix.Utils |
| DivideByZero | Nix.Frames, Nix |
| Division | Nix.Value, Nix |
| divMod | Nix.Utils |
| DList | Nix.Utils |
| Double | Nix.Utils |
| DoubleQuoted | Nix.Expr.Types, Nix.Expr, Nix |
| drop | Nix.Utils |
| dropWhile | Nix.Utils |
| DynamicKey | Nix.Expr.Types, Nix.Expr, Nix |
| dynamicScopes | Nix.Scope |