Mercurial > urweb
annotate tests/env.ur @ 2195:18e6fb487880
Reduce: add reduction in some spots previously missed, associated with 'case' return types
author | Adam Chlipala <adam@chlipala.net> |
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date | Wed, 25 Nov 2015 18:48:17 -0500 |
parents | 3d922a28370b |
children |
rev | line source |
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adam@1799 | 1 fun handler r = |
adam@1799 | 2 vo <- getenv (blessEnvVar r.Nam); |
adam@1799 | 3 return <xml><body> |
adam@1799 | 4 {case vo of |
adam@1799 | 5 None => <xml>Not set</xml> |
adam@1799 | 6 | Some v => <xml>Set to: {[v]}</xml>} |
adam@1799 | 7 </body></xml> |
adam@1799 | 8 |
adam@1799 | 9 fun main () : transaction page = |
adam@1799 | 10 term <- getenv (blessEnvVar "TERM"); |
adam@1799 | 11 return <xml><body> |
adam@1799 | 12 TERM = {case term of |
adam@1799 | 13 None => <xml>Nada</xml> |
adam@1799 | 14 | Some v => txt v} |
adam@1799 | 15 |
adam@1799 | 16 <form> |
adam@1799 | 17 What would you like to know? |
adam@1799 | 18 <textbox{#Nam}/> |
adam@1799 | 19 <submit action={handler}/> |
adam@1799 | 20 </form> |
adam@1799 | 21 </body></xml> |