[Haskell-cafe] combining predicates, noob question
skrynski at gmail.com
Fri Jul 6 19:11:54 CEST 2012
As I was using predicates (a -> bool) , it appeared the need for combining
them with a boolean operator (bool -> bool -> bool) in order to get a new
combining the previous two. So I wrote my function combinerPred (see code
below). While I think this is JUST ok, i'm feeling a monad in the air.
So.. where is the monad?
combinerPred :: (a -> Bool) -> (a -> Bool) -> (Bool -> Bool -> Bool) ->
(a -> Bool)
combinerPred pred1 pred2 op = \x -> op (pred1 x) (pred2 x)
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