view tests/char.ur @ 1421:3dab4696d116

Subqueries may always return NULL
author Adam Chlipala <adam@chlipala.net>
date Thu, 03 Feb 2011 21:04:12 -0500
parents 395a5d450cc0
children
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fun main () =
  case #"A" of
      #"B" => return <xml/>
    | _ => return <xml>A!</xml>