Index - N
| nearly | Optics.Extra |
| NoIx | Optics.Extra |
| noIx | Optics.Indexed, Optics.Extra |
| non | Optics.Extra |
| non' | Optics.Extra |
| NonEmptyIndices | Optics.Extra |
| noneOf | Optics.Extra |
| notElemOf | Optics.Extra |
optics-extra-0.2: Extra utilities and instances for optics-core