Mercurial > urweb
view tests/reqheader.ur @ 2083:9f65e2188d3c
MonoOpt: remove concatenation with empty string
author | Adam Chlipala <adam@chlipala.net> |
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date | Wed, 03 Dec 2014 21:21:37 -0500 |
parents | 360cbc202756 |
children |
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fun main () : transaction page = ua <- requestHeader "User-Agent"; case ua of None => return <xml>Not found</xml> | Some s => return <xml>User-Agent: {[s]}</xml>