view tests/pprint.ur @ 1925:15802a00816c

activeHead: don't modify the head. just execute the code provided
author Sergey Mironov <grrwlf@gmail.com>
date Fri, 06 Dec 2013 14:52:47 +0400
parents 318ba997a149
children
line wrap: on
line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False