view tests/radio.ur @ 1886:b7cd3c7c7edd

Interpret 'table' signature items more flexibly, automatically adding (Ur) constraints to support a kind of subtyping over (SQL) constraint sets
author Adam Chlipala <adam@chlipala.net>
date Mon, 04 Nov 2013 15:14:23 -0500
parents a1a1d66aebac
children
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fun handler x = return <xml><body>
  You entered: {[case x.A of
                     None => "nothing at all"
                   | Some v => v]}
</body></xml>

fun main () = return <xml><body>
  <form>
    <radio{#A}>
      <li><radioOption value="A"/>A</li>
      <li><radioOption value="B"/>B</li>
    </radio>
    <submit action={handler}/>
  </form>
</body></xml>