| Rank2lyFoldable | Language.Haskell.Abstract, Language.Haskell.Extensions.Abstract |
| Rank2lyFunctor | Language.Haskell.Abstract, Language.Haskell.Extensions.Abstract |
| Rank2lyTraversable | Language.Haskell.Abstract, Language.Haskell.Extensions.Abstract |
| RankNTypes | Language.Haskell.Extensions |
| RebindableSyntax | Language.Haskell.Extensions |
| RecordConstructor | |
| 1 (Data Constructor) | Language.Haskell.AST |
| 2 (Data Constructor) | Language.Haskell.Extensions.AST |
| 3 (Data Constructor) | Language.Haskell.Binder |
| recordConstructor | Language.Haskell.Abstract, Language.Haskell.Extensions.Abstract |
| RecordExpression | |
| 1 (Data Constructor) | Language.Haskell.AST |
| 2 (Data Constructor) | Language.Haskell.Extensions.AST |
| recordExpression | Language.Haskell.Abstract, Language.Haskell.Extensions.Abstract |
| RecordField | Language.Haskell.Binder |
| RecordFunctionType | Language.Haskell.Extensions.AST |
| recordFunctionType | Language.Haskell.Extensions.Abstract |
| RecordPattern | |
| 1 (Data Constructor) | Language.Haskell.AST |
| 2 (Data Constructor) | Language.Haskell.Extensions.AST |
| recordPattern | Language.Haskell.Abstract, Language.Haskell.Extensions.Abstract |
| RecordPatternLHS | Language.Haskell.Extensions.AST |
| recordPatternLHS | Language.Haskell.Extensions.Abstract |
| RecordTypeDataFields | Language.Haskell.Extensions.Verifier |
| RecordWildCardConstruction | Language.Haskell.Extensions.Abstract |
| RecordWildCards | Language.Haskell.Extensions |
| RecursiveDo | Language.Haskell.Extensions |
| RecursiveDoConstruction | Language.Haskell.Extensions.Abstract |
| RecursiveStatement | Language.Haskell.Extensions.AST |
| recursiveStatement | Language.Haskell.Extensions.Abstract |
| recursiveStatement' | Language.Haskell.Extensions.Abstract |
| ReExportModule | |
| 1 (Data Constructor) | Language.Haskell.AST |
| 2 (Data Constructor) | Language.Haskell.Extensions.AST |
| reExportModule | Language.Haskell.Abstract, Language.Haskell.Extensions.Abstract |
| ReferenceExpression | |
| 1 (Data Constructor) | Language.Haskell.AST |
| 2 (Data Constructor) | Language.Haskell.Extensions.AST |
| referenceExpression | Language.Haskell.Abstract, Language.Haskell.Extensions.Abstract |
| ReformulationOf | Language.Haskell.Extensions.Reformulator |
| RelaxedLayout | Language.Haskell.Extensions |
| RelaxedPolyRec | Language.Haskell.Extensions |
| Reorganization | |
| 1 (Type/Class) | Language.Haskell.Reorganizer |
| 2 (Data Constructor) | Language.Haskell.Reorganizer |
| reorganizeModules | Language.Haskell.Reorganizer |
| report | Language.Haskell.Extensions.Grammar |
| RepresentationalRole | Language.Haskell.Extensions.AST |
| representationalRole | Language.Haskell.Extensions.Abstract |
| RequiredTypeArguments | Language.Haskell.Extensions |
| reserialize | Language.Haskell.Reserializer |
| reserializeNested | Language.Haskell.Reserializer |
| reservedWords | Language.Haskell.Grammar |
| resolvePositions | Language.Haskell |
| rewrap | Language.Haskell.Grammar |
| rhs | Language.Haskell.Grammar |
| rightArrow | Language.Haskell.Grammar |
| RightAssociative | Language.Haskell.AST, Language.Haskell.Extensions.AST |
| rightAssociative | Language.Haskell.Abstract, Language.Haskell.Extensions.Abstract |
| rightDoubleArrow | Language.Haskell.Grammar |
| RightSectionExpression | |
| 1 (Data Constructor) | Language.Haskell.AST |
| 2 (Data Constructor) | Language.Haskell.Extensions.AST |
| rightSectionExpression | Language.Haskell.Abstract, Language.Haskell.Extensions.Abstract |
| RoleAnnotations | Language.Haskell.Extensions |