| uncurried | Control.Lens.Iso, Control.Lens |
| under | Control.Lens.Iso, Control.Lens |
| unfocusing | Control.Lens.Internal |
| unfocusingErr | Control.Lens.Internal |
| unfocusingMay | Control.Lens.Internal |
| unfocusingOn | Control.Lens.Internal |
| unfocusingPlus | Control.Lens.Internal |
| unfocusingWith | Control.Lens.Internal |
| unfolded | Control.Lens.Fold, Control.Lens |
| uniplate | Data.Data.Lens |
| universe | Control.Lens.Plated, Control.Lens |
| universeOf | Control.Lens.Plated, Control.Lens |
| universeOn | Control.Lens.Plated, Control.Lens |
| universeOnOf | Control.Lens.Plated, Control.Lens |
| unsafelyRestoreTape | Control.Lens.Internal.Zipper, Control.Lens.Zipper, Control.Lens |
| unsafelyRestoreTrack | Control.Lens.Internal.Zipper |
| unsafePartsOf | Control.Lens.Traversal, Control.Lens |
| unsafePartsOf' | Control.Lens.Traversal, Control.Lens |
| unsafeSingular | Control.Lens.Traversal, Control.Lens |
| untainted | Control.Lens.Classes |
| untainted# | Control.Lens.Classes |
| unwrapping | Control.Lens.Wrapped, Control.Lens |
| unwrappings | Control.Lens.Wrapped, Control.Lens |
| upon | Data.Data.Lens |
| upon' | Data.Data.Lens |
| upward | Control.Lens.Internal.Zipper, Control.Lens.Zipper, Control.Lens |
| use | Control.Lens.Getter, Control.Lens |
| use' | Control.Lens.Getter, Control.Lens |
| uses | Control.Lens.Getter, Control.Lens |
| uses' | Control.Lens.Getter, Control.Lens |