Index - R
| real | Data.Complex.Lens |
| reindex | Control.Lens.Indexed, Control.Lens |
| Rep | Control.Lens.Representable, Control.Lens |
| rep | Control.Lens.Representable, Control.Lens |
| repeated | Control.Lens.Fold, Control.Lens |
| replicated | Control.Lens.Fold, Control.Lens |
| Representable | Control.Lens.Representable, Control.Lens |
| resultAt | Control.Lens.Type, Control.Lens |
| root | Data.Tree.Lens |
| runAccessor | Control.Lens.Getter, Control.Lens |
| runAppliedState | Control.Lens.Internal |
| runMutator | Control.Lens.Setter, Control.Lens |