view tests/pprint.ur @ 2122:8cf40452c900

Some new infix operators, contributed by Gabriel Riba
author Adam Chlipala <adam@chlipala.net>
date Thu, 05 Mar 2015 14:50:31 -0500
parents 318ba997a149
children
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fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False