| Range | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| RangeQ | Language.Haskell.TH.Lib, Language.Haskell.TH |
| rational | Language.Haskell.TH.PprLib |
| RationalL | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| rationalL | Language.Haskell.TH.Lib, Language.Haskell.TH |
| rbrace | Language.Haskell.TH.PprLib |
| rbrack | Language.Haskell.TH.PprLib |
| RecC | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| recC | Language.Haskell.TH.Lib, Language.Haskell.TH |
| RecConE | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| recConE | Language.Haskell.TH.Lib, Language.Haskell.TH |
| recover | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| RecP | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| recP | Language.Haskell.TH.Lib, Language.Haskell.TH |
| RecUpdE | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| recUpdE | Language.Haskell.TH.Lib, Language.Haskell.TH |
| reify | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| report | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| returnQ | Language.Haskell.TH.Syntax |
| rparen | Language.Haskell.TH.PprLib |
| runIO | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| runQ | Language.Haskell.TH.Syntax, Language.Haskell.TH |