At 01:58 -0800 1998/11/09, Simon Peyton-Jones wrote:
>Following many protests, the right thing to do seems
>to be to move MonadPlus to the Monad library. Specifically:
>
> class Monad m => MonadPlus m where
> mzero :: m a
> mplus :: m a -> m a -> m a
It seems me that the MonadPlus is just a monad whose algebras are
monoids. So perhaps it should be renamed to reflect that fact.
Hans Aberg
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