[Haskell-cafe] Newbie question

Alexander Seliverstov seliverstov.a at gmail.com
Mon Jan 21 10:37:38 EST 2008

Hi, I try to undestand why this code dosen't work

f :: (Num a)=>Integer->a

f i = i

Integer is an instance of Num, so why does this code produce error:
"Couldn't  match expected type 'a' againsta inferred type 'Integer' ..."
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