Index - M
| magnitude | Complex | 
| malloc | MarshalAlloc | 
| mallocArray | MarshalArray | 
| mallocArray0 | MarshalArray | 
| mallocBytes | MarshalAlloc | 
| mallocForeignPtr | ForeignPtr | 
| mallocForeignPtrArray | ForeignPtr | 
| mallocForeignPtrArray0 | ForeignPtr | 
| mallocForeignPtrBytes | ForeignPtr | 
| map | Prelude, List | 
| mapAccumL | List | 
| mapAccumR | List | 
| mapAndUnzipM | Monad | 
| mapM | Prelude, Monad | 
| mapMaybe | Maybe | 
| mapM_ | Prelude, Monad | 
| March | Time | 
| max | Prelude | 
| maxBound | Prelude | 
| maximum | Prelude, List | 
| maximumBy | List | 
| May | Time | 
| Maybe | Prelude, Maybe | 
| maybe | Prelude, Maybe | 
| maybeNew | MarshalUtils | 
| maybePeek | MarshalUtils | 
| maybeToList | Maybe | 
| maybeWith | MarshalUtils | 
| min | Prelude | 
| minBound | Prelude | 
| minimum | Prelude, List | 
| minimumBy | List | 
| minusPtr | Ptr | 
| mkIOError | MarshalError | 
| mkPolar | Complex | 
| mkStdGen | Random | 
| mod | Prelude | 
| Monad | Prelude, Monad | 
| MonadPlus | Monad | 
| Monday | Time | 
| Month | Time | 
| months | Locale | 
| moveArray | MarshalArray | 
| moveBytes | MarshalUtils | 
| mplus | Monad | 
| msum | Monad | 
| mzero | Monad |