[Haskell-beginners] Simpler than lifting

Adrian May adrian.alexander.may at gmail.com
Mon Mar 18 14:59:28 CET 2013

Hi All,

I have this in my code:

infixl 6 ~+, ~-
f ~+ g = \p -> f p + g p
f ~- g = \p -> f p - g p

but I feel that the prelude must have already taken care of such things.
What's the proper way to do it?

Thanks in advance,
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