[xmonad] Issue 578 in xmonad: Make Query an instance of Applicative?

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Status: New
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New issue 578 by Javra... at gmail.com: Make Query an instance of Applicative?
https://code.google.com/p/xmonad/issues/detail?id=578

This is an enhancement request: Could you make XMonad.Core.Query an  
instance of Applicative? Since it's already an instance of Monad and  
DeriveApplicative is available.

It will allow more concise queries and we can get rid of "Orphan instance"  
warnings
when deriving Applicative manually.

e.g.:

((&&) <$> fmap (== "FooClass") className
       <*> fmap (== "Bar title") title)

Thanks.

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