annotate tests/reqheader.ur @ 2044:42ae25a354f8

Retweak the last tweak to allow type inference to succeed in a strict superset of the places where it used to succeed
author Adam Chlipala <adam@chlipala.net>
date Tue, 29 Jul 2014 14:46:06 -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>