Index - R
| range | Data.Ix, Data.Array | 
| rangeSize | Data.Ix, Data.Array | 
| Ratio | Data.Ratio | 
| Rational | Prelude, Data.Ratio | 
| Read | Prelude | 
| read | Prelude | 
| readDec | Numeric | 
| readFile | Prelude, System.IO | 
| readFloat | Numeric | 
| readHex | Numeric | 
| readInt | Numeric | 
| readIO | Prelude, System.IO | 
| readList | Prelude | 
| readLitChar | Data.Char | 
| readLn | Prelude, System.IO | 
| ReadMode | System.IO | 
| readOct | Numeric | 
| readParen | Prelude | 
| ReadS | Prelude | 
| reads | Prelude | 
| readSigned | Numeric | 
| readsPrec | Prelude | 
| ReadWriteMode | System.IO | 
| Real | Prelude | 
| RealFloat | Prelude | 
| RealFrac | Prelude | 
| realloc | Foreign.Marshal.Alloc, Foreign.Marshal, Foreign | 
| reallocArray | Foreign.Marshal.Array, Foreign.Marshal, Foreign | 
| reallocArray0 | Foreign.Marshal.Array, Foreign.Marshal, Foreign | 
| reallocBytes | Foreign.Marshal.Alloc, Foreign.Marshal, Foreign | 
| realPart | Data.Complex | 
| realToFrac | Prelude | 
| recip | Prelude | 
| RelativeSeek | System.IO | 
| rem | Prelude | 
| repeat | Prelude, Data.List | 
| replicate | Prelude, Data.List | 
| replicateM | Control.Monad | 
| replicateM_ | Control.Monad | 
| resetErrno | Foreign.C.Error, Foreign.C | 
| return | Prelude, Control.Monad | 
| reverse | Prelude, Data.List | 
| Right | Prelude | 
| rotate | Data.Bits, Foreign | 
| rotateL | Data.Bits, Foreign | 
| rotateR | Data.Bits, Foreign | 
| round | Prelude |