diff lib/ur/listPair.ur @ 1614:efe1a2e9e4de

Support 'safeGet' in demos
author Adam Chlipala <adam@chlipala.net>
date Fri, 25 Nov 2011 17:19:34 -0500
parents 1c2f335297b7
children 5c30eea7aa78
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