[Haskell-cafe] <**> for nested applicative functors?

[Kim-Ee Yeoh]

That's it: liftA2 (<*>), so obvious in hindsight.

Mustn't ... code ... when ... drained ....

Thanks to Jeremy and Josef.


Jeremy Shaw-3 wrote:
> 
> This looks like what is described in Section 4 to me:
> 
> http://www.haskell.org/haskellwiki/Applicative_functor#Applicative_transfomers
> 
> - jeremy
> 
> On Oct 12, 2009, at 11:22 AM, Kim-Ee Yeoh wrote:
> 
>> <**> :: (Applicative m, Applicative n) =>
>> m (n (a->b)) -> m (n a) -> m (n b)
> 

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