For starters...

[Rafael Gustavo da Cunha Pereira Pinto]

I am trying to write a toy function to sum all members of a list but the
biggest. This list is entirely composed by integers bigger than 0.

I have:

f::[Integer]->Integer
f a = x a - y a where
                 x=sum
                 y=foldr max 0

Is there any way to implement that using composition, so I have a point-free
implementation?

-- 
Rafael Gustavo da Cunha Pereira Pinto
Electronic Engineer, MSc.
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