Index - I
| identity | Control.Lens |
| imaginary | Data.Complex.Lens |
| Index | |
| 1 (Type/Class) | Control.Indexed, Control.Lens |
| 2 (Data Constructor) | Control.Indexed, Control.Lens |
| index | Control.Indexed, Control.Lens |
| Indexable | Control.Indexed |
| Indexed | Control.Indexed, Control.Lens |
| IndexedFold | Control.Lens |
| IndexedStore | |
| 1 (Type/Class) | Control.Lens.Internal |
| 2 (Data Constructor) | Control.Lens.Internal |
| IndexedTraversal | Control.Lens |
| intercalated | Data.List.Lens |
| interspersed | Data.List.Lens |
| Iso | Control.Lens |
| iso | Control.Lens |
| isomap | Control.Isomorphic, Control.Lens |
| Isomorphic | Control.Isomorphic, Control.Lens |
| isomorphic | Control.Isomorphic, Control.Lens |
| Isomorphism | |
| 1 (Type/Class) | Control.Isomorphic |
| 2 (Data Constructor) | Control.Isomorphic |
| isos | Control.Lens |
| iterated | Control.Lens |
| ix | Data.Array.Lens |
| ixmapped | Data.Array.Lens |