Mercurial > urweb
view tests/env.ur @ 1940:1484ba362062
Add a bit of manual clarification about channels and clients
author | Adam Chlipala <adam@chlipala.net> |
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date | Wed, 25 Dec 2013 12:02:42 -0500 |
parents | 3d922a28370b |
children |
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fun handler r = vo <- getenv (blessEnvVar r.Nam); return <xml><body> {case vo of None => <xml>Not set</xml> | Some v => <xml>Set to: {[v]}</xml>} </body></xml> fun main () : transaction page = term <- getenv (blessEnvVar "TERM"); return <xml><body> TERM = {case term of None => <xml>Nada</xml> | Some v => txt v} <form> What would you like to know? <textbox{#Nam}/> <submit action={handler}/> </form> </body></xml>