Re: [Haskell-cafe] "Casting" newtype to base type?

Hi Vlatko. On 2 July 2013 16:03, Vlatko Basic wrote:

Is there a nicer way to extract the 'IO String' from 'IOS', without 'case' or without pattern matching the whole 'P'?

You might enjoy the newtype package. http://hackage.haskell.org/package/newtype Hope this helps, Ozgur.