On Wednesday, April 19, 2000 1:00 PM, Tom Moran [SMTP:[log in to unmask]] wrote:
> The middle of a palindrome is also a palindrome, so one definition is:
> A zero length string is a palindrome. Anything longer must
> have the first and last letter the same, and the in-between letters
> must be a palindrome.
So are you saying...
function Is_Palindrome (S : String) return Boolean is
return S = "" or else
(S (S'First) = S (S'Last) and
Is_Palindrome (S (Natural'Succ (S'First) .. Natural'Pred
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