annotate tests/reqheader.ur @ 1714:d6c45026240d

Do a lot more type simplification for error messages
author Adam Chlipala <adam@chlipala.net>
date Mon, 16 Apr 2012 09:46:42 -0400
parents 360cbc202756
children
rev   line source
adamc@456 1 fun main () : transaction page =
adamc@457 2 ua <- requestHeader "User-Agent";
adamc@456 3 case ua of
adamc@456 4 None => return <xml>Not found</xml>
adamc@457 5 | Some s => return <xml>User-Agent: {[s]}</xml>