[Haskell-beginners] Re: \x -> x < 0.5 && x > -0.5

[Christian Maeder]

Michael Mossey schrieb:
> Is there a nifty way to write
> 
> filter (\x -> x < 0.5 && x > -0.5) xs
> 
> without explicitly using x?

Hoogle did not find a function of type:

(b -> b -> b) -> (a -> b) -> (a -> b) -> a -> b

or (b -> c -> d) -> (a -> b) -> (a -> c) -> a -> d

But maybe such a function is worth being added to Data.Function.

Cheers Christian