[Haskell-cafe] Failing to find a function

[MigMit]

Isn't that just something like liftA2 mplus?

Отправлено с iPhone

Feb 19, 2012, в 15:50, Jon Fairbairn <jon.fairbairn at cl.cam.ac.uk> написал(а):

> 
> This is probably a failure of my search fu or some other mental
> lacuna, but is there already a definition of this function
> somewhere:
> 
> \a b -> runKleisli $ (Kleisli a) <+> Kleisli b
> ?
> 
> Hoogling for its type
> 
>   MonadPlus m => (a -> m b) -> (a -> m b) -> a -> m b
> 
> doesn’t net me anything useful.
> 
> -- 
> Jón Fairbairn                                 Jon.Fairbairn at cl.cam.ac.uk
> 
> 
> 
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