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Add activeHead tag. activeHead is similar to active but produces xhead instead of xbody
author Sergey Mironov <grrwlf@gmail.com>
date Fri, 06 Dec 2013 13:59:39 +0400
parents 318ba997a149
children
line wrap: on
line source
fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False