control-monad-free-0.4: Free monads and monad transformers

Control.Monad.Free.Zip

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zipFree :: (Traversable f, Eq (f ()), Monad m) => (a -> b -> m c) -> Free f a -> Free f b -> m (Free f c)Source

zipFree_ :: (Traversable f, Eq (f ()), Monad m) => (a -> b -> m ()) -> Free f a -> Free f b -> m ()Source