view tests/pprint.ur @ 2224:5709482a2afd

Merge.
author Ziv Scully <ziv@mit.edu>
date Thu, 11 Dec 2014 02:05:41 -0500
parents 318ba997a149
children
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line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False