Mercurial > urweb

annotate tests/rpcM.ur @ 2230:a749acc51ae4

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Factor out cache implementation from Sqlcache.
author Ziv Scully <ziv@mit.edu>
date Wed, 06 May 2015 14:50:29 -0400
parents 4a125bbc602d
children
rev   line source
adamc@642 1 datatype list t = Nil | Cons of t * list t
adamc@642 2
adamc@642 3 sequence s
adamc@642 4
adamc@642 5 fun main () : transaction page =
adamc@642 6 let
adamc@642 7 fun getIndices srcs =
adamc@642 8 case srcs of
adamc@642 9 Nil => return Nil
adamc@642 10 | Cons (src, srcs') =>
adamc@642 11 i <- nextval s;
adamc@642 12 set src i;
adamc@642 13 ls <- getIndices srcs';
adamc@642 14 return (Cons (i, ls))
adamc@642 15
adamc@642 16 fun show ls =
adamc@642 17 case ls of
adamc@642 18 Nil => <xml/>
adamc@642 19 | Cons (x, ls') => <xml>{[x]}<br/>{show ls'}</xml>
adamc@642 20 in
adamc@642 21 src1 <- source 0;
adamc@642 22 src2 <- source 1;
adamc@642 23 s <- source Nil;
adamc@642 24 return <xml><body>
adamc@642 25 <button value="Get It On!"
adamc@642 26 onclick={ns <- getIndices (Cons (src1, Cons (src2, Nil)));
adamc@642 27 set s ns}/><br/>
adamc@642 28 <br/>
adamc@642 29 #1: <dyn signal={n <- signal src1; return <xml>{[n]}</xml>}/><br/>
adamc@642 30 #2: <dyn signal={n <- signal src2; return <xml>{[n]}</xml>}/><br/>
adamc@642 31 Current: <dyn signal={ns <- signal s; return (show ns)}/>
adamc@642 32 </body></xml>
adamc@642 33 end