Index - R
| Rational | Interlude |
| Read | Interlude |
| readFile | Interlude |
| readIO | Interlude |
| readList | Interlude |
| readLn | Interlude |
| readParen | Interlude |
| ReadS | Interlude |
| reads | Interlude |
| readsPrec | Interlude |
| Real | Interlude |
| RealFloat | Interlude |
| RealFrac | Interlude |
| realToFrac | Interlude |
| recip | Interlude |
| rem | Interlude |
| repeat | Interlude |
| replicate | Interlude |
| report_bug | Interlude |
| return | Interlude |
| reverse | Interlude |
| Right | Interlude |
| round | Interlude |