Index - L
| last | Mit.Prelude |
| lcm | Mit.Prelude |
| Left | Mit.Prelude |
| length | Mit.Prelude |
| LetterNumber | Mit.Prelude |
| lex | Mit.Prelude |
| lexLitChar | Mit.Prelude |
| liftM | Mit.Prelude |
| liftM2 | Mit.Prelude |
| liftM3 | Mit.Prelude |
| liftM4 | Mit.Prelude |
| liftM5 | Mit.Prelude |
| lines | Mit.Prelude |
| LineSeparator | Mit.Prelude |
| List1 | Mit.Prelude |
| listToMaybe | Mit.Prelude |
| log | Mit.Prelude |
| logBase | Mit.Prelude |
| lookup | Mit.Prelude |
| LossOfPrecision | Mit.Prelude |
| LowercaseLetter | Mit.Prelude |
| LT | Mit.Prelude |