[Haskell-cafe] Function to find a substring
rj248842 at hotmail.com
Sun Jun 6 11:51:36 EDT 2010
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?
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