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Check realloc's return code to prevent segfault on out of memory condition (Part 2)
author Sergey Mironov <grrwlf@gmail.com>
date Sun, 24 Aug 2014 11:56:41 +0400
parents 56aaa1941dad
children
line wrap: on
line source
sequence s

fun main () : transaction page =
    let
        fun getNext () = nextval s
    in
        s <- source 0;
        return <xml><body>
          <button value="Get It On!"
                  onclick={n <- getNext ();
                           set s n}/><br/>
          <br/>
          Current: <dyn signal={n <- signal s; return <xml>{[n]}</xml>}/>
        </body></xml>
    end