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view tests/substring.ur @ 1425:139d019c7237

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Syntactic sugar for grouping by variable numbers of columns
author Adam Chlipala <adam@chlipala.net>
date Thu, 17 Feb 2011 18:05:08 -0500
parents 20fe00fd81da
children
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fun main () : transaction page = return <xml>
  {[case String.split "abc{" #"{" of
        None => "!"
      | Some (pre, post) => pre ^ post]}
</xml>