view tests/pprint.ur @ 2246:4769b27aa436

Merge.
author Ziv Scully <ziv@mit.edu>
date Sun, 02 Aug 2015 18:26:44 -0700
parents 318ba997a149
children
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line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False