Re: [Haskell-cafe] Re: Debugging partial functions by the rules

On 16/11/06, oleg@pobox.com wrote:

And if we are absolutely positive that the value is (Just x), we can always write maybe (assert False undefined) id v

It should be pointed out that Data.Maybe does export a less well-known function, fromMaybe: fromMaybe z = maybe z id This can be used to make the 'maybe X id' case a bit tidier (although technically it's not a save on characters). -- -David House, dmhouse@gmail.com