Index - M
| magnitude | Universum |
| many | Universum |
| Map | Universum |
| map | Universum |
| mapAccumL | Universum |
| mapAccumR | Universum |
| mapAndUnzipM | Monad, Universum |
| mapConcurrently | Universum |
| mapConcurrently_ | Universum |
| mapException | Universum |
| mapM | Universum |
| mapMaybe | Universum |
| mapM_ | Universum |
| mappend | Universum |
| mask | Universum |
| MaskedInterruptible | Universum |
| MaskedUninterruptible | Universum |
| MaskingState | Universum |
| mask_ | Universum |
| max | Universum |
| maxBound | Base, Universum |
| maxExpt | Base, Universum |
| maxExpt10 | Base, Universum |
| maximum | Universum |
| maximumBy | Universum |
| maxInt | Base, Universum |
| Maybe | Universum |
| maybe | Universum |
| maybeToEither | Either, Universum |
| maybeToLeft | Either, Universum |
| maybeToList | Universum |
| maybeToRight | Either, Universum |
| mconcat | Universum |
| mempty | Universum |
| mfilter | Monad, Universum |
| min | Universum |
| minBound | Base, Universum |
| minExpt | Base, Universum |
| minimum | Universum |
| minimumBy | Universum |
| minInt | Base, Universum |
| minusDouble | Base, Universum |
| minusFloat | Base, Universum |
| minusInteger | Base, Universum |
| mkInteger | Base, Universum |
| mkPolar | Universum |
| mkWeakMVar | Universum |
| mkWeakThreadId | Universum |
| mod | Base, Universum |
| modify | Universum |
| modifyMVar | Universum |
| modifyMVarMasked | Universum |
| modifyMVarMasked_ | Universum |
| modifyMVar_ | Universum |
| modInteger | Base, Universum |
| Monad | Monad, Universum |
| MonadError | Universum |
| MonadIO | Universum |
| MonadPlus | Monad, Universum |
| MonadReader | Universum |
| MonadState | Universum |
| Monoid | Universum |
| mplus | Monad, Universum |
| msg | Panic, Universum |
| msum | Universum |
| MVar | Universum |
| myThreadId | Universum |
| mzero | Monad, Universum |