Index - U
| uncons | Optics, Optics.Cons |
| uncurried | Optics, Optics.Iso |
| under | Optics, Optics.Iso |
| underscoreFields | Optics, Optics.TH |
| underscoreNamer | Optics, Optics.TH |
| underscoreNoPrefixNamer | Optics, Optics.TH |
| unfolded | Optics, Optics.Fold |
| united | Optics, Optics.Lens |
| universeOf | Optics, Optics.Fold |
| unpacked | |
| 1 (Function) | Data.Text.Optics |
| 2 (Function) | Data.Text.Strict.Optics |
| 3 (Function) | Data.Text.Lazy.Optics |
| unpackedBytes | |
| 1 (Function) | Data.ByteString.Optics |
| 2 (Function) | Data.ByteString.Lazy.Optics |
| 3 (Function) | Data.ByteString.Strict.Optics |
| unpackedChars | |
| 1 (Function) | Data.ByteString.Optics |
| 2 (Function) | Data.ByteString.Lazy.Optics |
| 3 (Function) | Data.ByteString.Strict.Optics |
| unsafeFiltered | Optics, Optics.AffineTraversal |
| unsafeFilteredBy | Optics, Optics.Indexed, Optics.IxAffineTraversal |
| unsnoc | Optics, Optics.Cons |
| unto | Optics, Optics.Review |
| use | Optics, Optics.State |
| utf8 | |
| 1 (Function) | Data.Text.Strict.Optics |
| 2 (Function) | Data.Text.Lazy.Optics |