Re: DDC compiler and effects; better than Haskell? (was Re: [Haskell-cafe] unsafeDestructiveAssign?)

Dan Doel wrote:

Off hand, I'd say I don't write foo and fooM versions of functions much in actual programs, either. Such duplication goes into libraries... It would be ok if the duplication /was/ actually in the libraries, but often it's not.

Note the lack of Data.Map.mapM and Data.Map.foldM. Want to apply a monadic computation to all the elements of a Data.Map? Convert it to a list and back.. Ben.