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view tests/pprint.ur @ 2164:728aaeea12fd

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Add a simple 'make test' target
author Adam Chlipala <adam@chlipala.net>
date Wed, 29 Jul 2015 10:08:03 -0400
parents 318ba997a149
children
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fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False