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view tests/pprint.ur @ 2080:f05fcb206571

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More HTML5 AJAX widgets
author Adam Chlipala <adam@chlipala.net>
date Sun, 16 Nov 2014 15:20:13 -0500
parents 318ba997a149
children
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fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False