[Haskell-beginners] Running a list of functions

[Ozgur Akgun]

Hi.

On 20 August 2011 19:36, Manfred Lotz <manfred.lotz at arcor.de> wrote:

> On Sat, 20 Aug 2011 14:08:43 -0400
> David Place <d at vidplace.com> wrote:
>
> > sequence_ :: Monad m => [m a] -> m ()
>
> Thanks. I found sequence but I have to learn to add an underscore to a
> funtion in order to see if this could be it.


Actually in this case sequence and sequence_ are identical. You have IO for
m, and () for a, so:

sequence  :: [IO ()] -> IO ()
sequence_ :: [IO ()] -> IO ()

Ozgur
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