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Merge bbaren's fix for bug 209.
author Ziv Scully <ziv@mit.edu>
date Tue, 13 Oct 2015 14:22:05 -0400
parents 318ba997a149
children
line wrap: on
line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False