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annotate tests/pprint.ur @ 2231:67e801cf42c6

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Add missing file.
author Ziv Scully <ziv@mit.edu>
date Wed, 06 May 2015 14:50:55 -0400
parents 318ba997a149
children
rev   line source
adam@1727 1 fun isNone [a] (x : option a) =
adam@1727 2 case x of
adam@1727 3 None => True
adam@1727 4 | Some _ => False