| UnBangedTy | Language.Haskell, Data.Derive.DSL.HSE |
| Unboxed | Language.Haskell, Data.Derive.DSL.HSE |
| UnboxedSingleCon | Language.Haskell, Data.Derive.DSL.HSE |
| UnboxedTuples | Language.Haskell, Data.Derive.DSL.HSE |
| unboxed_singleton_con | Language.Haskell, Data.Derive.DSL.HSE |
| unboxed_singleton_con_name | Language.Haskell, Data.Derive.DSL.HSE |
| unboxed_singleton_tycon | Language.Haskell, Data.Derive.DSL.HSE |
| unboxed_singleton_tycon_name | Language.Haskell, Data.Derive.DSL.HSE |
| UndecidableInstances | Language.Haskell, Data.Derive.DSL.HSE |
| UnGuardedAlt | Language.Haskell, Data.Derive.DSL.HSE |
| UnGuardedRhs | Language.Haskell, Data.Derive.DSL.HSE |
| UnicodeSyntax | Language.Haskell, Data.Derive.DSL.HSE |
| Uniq | Language.Haskell.TH.All |
| unit | Language.Haskell.TH.Helper, Language.Haskell.TH.All |
| UnitCon | Language.Haskell, Data.Derive.DSL.HSE |
| unit_con | Language.Haskell, Data.Derive.DSL.HSE |
| unit_con_name | Language.Haskell, Data.Derive.DSL.HSE |
| unit_tycon | Language.Haskell, Data.Derive.DSL.HSE |
| unit_tycon_name | Language.Haskell, Data.Derive.DSL.HSE |
| UnkindedVar | Language.Haskell, Data.Derive.DSL.HSE |
| UnknownExtension | Language.Haskell, Data.Derive.DSL.HSE |
| UnknownTool | Language.Haskell, Data.Derive.DSL.HSE |
| UnliftedFFITypes | Language.Haskell, Data.Derive.DSL.HSE |
| UnpackedTy | Language.Haskell, Data.Derive.DSL.HSE |
| UnQual | Language.Haskell, Data.Derive.DSL.HSE |
| unqualifiedName | Language.Haskell.TH.Data, Language.Haskell.TH.All |
| Unsafe | Language.Haskell.TH.All |
| unsafe_name | Language.Haskell, Data.Derive.DSL.HSE |
