[Haskell-beginners] Re: Forcing evalation in the IO Monad

Heinrich Apfelmus apfelmus at quantentunnel.de
Fri Apr 16 10:25:08 EDT 2010


Philip Scott wrote:
>
> What I want is something like putStrLn that doesn't print anything, and
> takes any type as its input, evaluates it to normal form and then does
> nothing else. It might be called something like 'evaluate' have a type
> like this
> 
> evaluate :: a -> IO()

With Hoogle, you can search for types:

   http://haskell.org/hoogle/?hoogle=a+-%3E+IO+%28%29

12th result from the top.


Regards,
Heinrich Apfelmus

--
http://apfelmus.nfshost.com



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