Mercurial > urweb

view tests/each.ur @ 1438:b6df00ed536c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix soundness bug in Effectize, which lead to missing effects in event handlers
author Adam Chlipala <adam@chlipala.net>
date Fri, 18 Mar 2011 09:46:24 -0400
parents ccf1d445b794
children
line wrap: on
line source
sequence s
table t : { Id : int, S1 : string, S2:string, S3:string, S4:string }

fun each (n : int, (f : unit -> transaction unit)) = if n > 0 then f (); each ((n-1),f) else return ()

fun fill () =
    dml (DELETE FROM t WHERE 1=1);
    each (1,( fn () =>
      (nv <- nextval s;
      (dml (INSERT INTO t (Id, S1, S2, S3, S4) VALUES ({[nv]}, {["S1"]}, {["S2"]}, {["S3"]}, {["S4"]}))))
    ));
    return <xml>done</xml>

fun main () = return <xml><body>
    <form><submit action={fill} value="fill"/></form>
</body></xml>