Index - R
| Random | Random |
| random | Random |
| RandomGen | Random |
| randomIO | Random |
| randomR | Random |
| randomRIO | Random |
| randomRs | Random |
| randoms | Random |
| range | Ix, Array |
| rangeSize | Ix, Array |
| Ratio | Ratio |
| Rational | Prelude, Ratio |
| Read | Prelude |
| read | Prelude |
| readable | Directory |
| readDec | Numeric |
| readFile | Prelude, IO |
| readFloat | Numeric |
| readHex | Numeric |
| readInt | Numeric |
| readIO | Prelude, IO |
| readList | Prelude |
| readLitChar | Char |
| readLn | Prelude, IO |
| ReadMode | IO |
| readOct | Numeric |
| readParen | Prelude |
| ReadS | Prelude |
| reads | Prelude |
| readSigned | Numeric |
| readsPrec | Prelude |
| ReadWriteMode | IO |
| Real | Prelude |
| RealFloat | Prelude |
| RealFrac | Prelude |
| realloc | MarshalAlloc |
| reallocArray | MarshalArray |
| reallocArray0 | MarshalArray |
| reallocBytes | MarshalAlloc |
| realPart | Complex |
| realToFrac | Prelude |
| recip | Prelude |
| RelativeSeek | IO |
| rem | Prelude |
| removeDirectory | Directory |
| removeFile | Directory |
| renameDirectory | Directory |
| renameFile | Directory |
| repeat | Prelude, List |
| replicate | Prelude, List |
| resetErrno | CError, CForeign |
| return | Prelude, Monad |
| reverse | Prelude, List |
| Right | Prelude |
| rotate | Bits |
| rotateL | Bits |
| rotateR | Bits |
| round | Prelude |