view demo/ref.ur @ 641:b98f547a6a45

RPC returning an option
author Adam Chlipala <adamc@hcoop.net>
date Sun, 08 Mar 2009 13:41:55 -0400
parents b393c2fc80f8
children aa2290c32ce2
line wrap: on
line source
structure IR = RefFun.Make(struct
                               type t = int
                           end)

structure SR = RefFun.Make(struct
                               type t = string
                           end)

fun main () =
    ir <- IR.new 3;
    ir' <- IR.new 7;
    sr <- SR.new "hi";

    IR.write ir' 10;

    iv <- IR.read ir;
    iv' <- IR.read ir';
    sv <- SR.read sr;

    IR.delete ir;
    IR.delete ir';
    SR.delete sr;

    return <xml><body>
      {[iv]}, {[iv']}, {[sv]}
    </body></xml>