Differences

This shows you the differences between two versions of the page.

--- at:tutorial:actors [2007/04/06 20:40] – added tvcutsem
+++ at:tutorial:actors [2007/04/06 20:50] – tvcutsem
@@ Line 253: / Line 253: @@
 };
 </code>
+The ''when:*'' functions are a very easy mechanism to synchronise on the value of a future without actually making an actor block: remember that all the ''when:becomes:'' function does is register the closure with the future. After that, the actor simply continues processing the statement following ''when:becomes:''. Also, even if the future is already resolved at the time the closure observer is registered, the closure is guaranteed to be applied asynchronously. This ensures that the code following a ''when:becomes:'' block is guaranteed to be executed before the registered closure itself:
+<code>
+when: sumFuture becomes: { |sum|
+  system.println("... and here later.");
+};
+system.print("Always here first");
+>>Always here first... and here later.
+</code>
+=== Futures and Striped Messages ===
+Explain:
+''o<-m()@FutureMessage''
+''o<-m()@OneWayMessage''
+=== Conditional Synchronisation with Futures ===
+explain: explicit futures using ''makeFuture''
 ==== Actor Mirrors ====