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view tests/pprint.ur @ 1929:f792a6544093

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Add show instance for 'id' type
author Sergey Mironov <grrwlf@gmail.com>
date Mon, 07 Oct 2013 14:08:10 +0400
parents 318ba997a149
children
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line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False