Mercurial > urweb
annotate tests/env.ur @ 2115:3dc020fb2aa1
An Emacs urweb-mode optimization contributed by John Wiegley
| author | Adam Chlipala <adam@chlipala.net> |
|---|---|
| date | Wed, 11 Feb 2015 13:12:59 -0500 |
| parents | 3d922a28370b |
| children |
| rev | line source |
|---|---|
| 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> |