Re: [Haskell-cafe] let vs. where

I tend to prefer where, but I think that guards & function declarations are more readable than giant if-thens and case constructs. "where" can scope over multiple guards, and guards can access things declared in a "where" clause, both of which are important features: f xs | len > 2 = y | len == 1 = 0 | otherwise = -y where len = length xs y = ... compare to f xs = let len = length xs y = ... in if len > 2 then y else if len == 1 then 0 else -y The indenting hides the structure of the second function. -- ryan