Index - R
| Rational | Prelude2010 |
| Read | Prelude2010 |
| read | Prelude2010 |
| readFile | Prelude2010 |
| readIO | Prelude2010 |
| readList | Prelude2010 |
| readLn | Prelude2010 |
| readParen | Prelude2010 |
| ReadS | Prelude2010 |
| reads | Prelude2010 |
| readsPrec | Prelude2010 |
| Real | Prelude2010 |
| RealFloat | Prelude2010 |
| RealFrac | Prelude2010 |
| realToFrac | Prelude2010 |
| recip | Prelude2010 |
| rem | Prelude2010 |
| repeat | Data.List2010, Prelude2010 |
| replicate | Data.List2010, Prelude2010 |
| return | Prelude2010 |
| reverse | Data.List2010, Prelude2010 |
| Right | Prelude2010 |
| round | Prelude2010 |