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annotate tests/pprint.ur @ 1979:81bc76aa4acd

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Merge in upstream changes.
author Patrick Hurst <phurst@mit.edu>
date Sat, 18 Jan 2014 18:26:24 -0500
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