view tests/env.ur @ 2288:98f96a976ede

Finish locking, but it's not yet tested rigorously.
author Ziv Scully <>
date Fri, 13 Nov 2015 11:03:09 -0500
parents 3d922a28370b
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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>}

fun main () : transaction page =
  term <- getenv (blessEnvVar "TERM");
  return <xml><body>
    TERM = {case term of
                None => <xml>Nada</xml>
              | Some v => txt v}
      What would you like to know?
      <submit action={handler}/>