[Haskell-cafe] Why doesn't this work? (palindrome :: IO)

[Brandon Allbery]

On Thu, Dec 8, 2011 at 15:52, Tom Murphy <amindfv at gmail.com> wrote:

> On Wed, Dec 7, 2011 at 11:46 PM, Brandon Allbery <allbery.b at gmail.com>wrote:
>
>> > case () of
>> >   () | s == reverse s -> putStrLn "palindrome"
>> >   _                   -> putStrLn "nope"
>>
>
>
> This is kind of a hack of case, though. I think what the OP was looking
> for is
>
 isPalindrome word

>   | (word == reverse word) = putStrLn (word ++ " is a palindrome")
>   | otherwise              = putStrLn (word ++ " is not a palindrome")
>

Erm?  It's as much of a hack of case as yours is, since the above is
actually using case.

-- 
brandon s allbery                                      allbery.b at gmail.com
wandering unix systems administrator (available)     (412) 475-9364 vm/sms
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