R J writes:
> What's an elegant definition of a Haskell function that takes
> two strings and returns "Nothing" in case the first string
> isn't a substring of the first, or "Just i", where i is the
> index number of the position within the first string where the
> second string begins?
f n h =
>>> What's an elegant definition of a Haskell function that takes two strings
>>> and returns "Nothing" in case the first string isn't a substring of the
>>> first, or "Just i", where i is the index number of the position within the
>>> first string where the second string begins?
my quick take, w
