[Haskell-cafe] MonadPlus instance for IO

David Roundy droundy at abridgegame.org
Wed Feb 2 08:48:11 EST 2005

On Wed, Feb 02, 2005 at 02:41:42PM +0100, Daniel Fischer wrote:
> Probably you haven't imported 'Control.Monad.Error', where the instance is 
> defined. I did and all went well.

Thanks, that did it.  It's confusing that the instance is documented in
David Roundy

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