[Haskell-beginners] Re: function nesting again

Zbigniew Stanasiuk writes:

Hallo all,

I have two functions f and g of one arguments:

f :: (Num a) => [a] -> [a] g :: (Num a) => [a] -> [a]

Big thanks to Magnus and Filipe for smart and practical solutions of my problem. Up to now I didn't touch monoids although intuitively it seems very elegant. Best regards, Zbig