Mercurial > urweb

view tests/env.ur @ 1882:77cde56d41b6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Change Pthread thread creation logic to avoid Cygwin limitations with setting stack size
author Adam Chlipala <adam@chlipala.net>
date Mon, 14 Oct 2013 08:08:57 -0400
parents 3d922a28370b
children
line wrap: on
line source
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>