Mercurial > urweb
view tests/parseInt.ur @ 2160:72fe1cc704c5
Tag NULLs with their types in SQL, to help the DBMS do type inference
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 04 Jul 2015 19:24:26 -0400 |
parents | 4798ad652c94 |
children |
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fun main () : transaction page = s <- source ""; return <xml><body> <ctextbox source={s}/> <button onclick={n <- get s; case read n of None => alert "Invalid" | Some n => alert (show (n + 1))}/> </body></xml>