0-based versus 1-based

Jorge Adriano jadrian@mat.uc.pt
Thu, 27 Sep 2001 23:30:25 +0100


On Thursday 27 September 2001 23:16, Tom Pledger wrote:
> Just as a matter of idle curiosity, is there a particular reason for
> tuples starting at element 1 (fst) whereas lists start at element 0?
>
>     fst ('x', 'y') --> 'x'
>     "xy" !! 1      --> 'y'

xs = [1,2,3,4]
If I were to ask you which one is the first element of xs would you answer, 2 
because xs!!1 == 2? :)

J.A.