view tests/pprint.ur @ 2221:278e10629ba1

Basic field-resolution invalidation.
author Ziv Scully <ziv@mit.edu>
date Sat, 29 Nov 2014 03:37:59 -0500
parents 318ba997a149
children
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fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False