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view tests/pprint.ur @ 1952:cf7f7e51b0a2

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Add some URL-related benignEffectful functions
author Adam Chlipala <adam@chlipala.net>
date Wed, 01 Jan 2014 10:51:47 -0500
parents 318ba997a149
children
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fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False