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view tests/rpcN.ur @ 1893:9a1097954188

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compileC: Link libraries in the right order This is needed, at least on recent Ubuntu, to fix this linker error when compiling any Ur/Web application: ld: /tmp/webapp.o: undefined reference to symbol 'uw_write' Signed-off-by: Anders Kaseorg <andersk@mit.edu> --- src/compiler.sml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
author Anders Kaseorg <andersk@mit.edu>
date Thu, 21 Nov 2013 14:32:11 -0500
parents 5891f47d7cff
children
line wrap: on
line source
table t : { A : int }

fun main () : transaction page =
    let
        fun count a = r <- oneRow (SELECT COUNT( * ) AS N FROM t WHERE t.A = {[a]});
                      return r.N
    in
        s <- source 0;
        return <xml><body>
          <button value="Get It On!"
                  onclick={n <- count 3;
                           set s n}/><br/>
          <br/>
          Current: <dyn signal={n <- signal s; return <xml>{[n]}</xml>}/>
        </body></xml>
    end