view tests/pprint.ur @ 1794:4671afac15af

Change 'spawn' implementation to allow blocking within <active code>
author Adam Chlipala <adam@chlipala.net>
date Wed, 25 Jul 2012 08:20:15 -0400
parents 318ba997a149
children
line wrap: on
line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False