annotate tests/stringToTime.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 252e05bf199d
children
rev   line source
adam@1599 1 fun main () : transaction page =
adam@1599 2 s <- source "";
adam@1599 3 return <xml><body>
adam@1599 4 <ctextbox source={s}/>
adam@1599 5 <button onclick={v <- get s; alert (show (readError v : time))}/>
adam@1599 6 <button onclick={v <- get s; case read v : option time of
adam@1599 7 None => alert "Invalid"
adam@1599 8 | Some tm => alert (show tm)}/>
adam@1599 9 </body></xml>