About actor syntax for Groovy 3

[Daniel Sun]

Hi all,

      As we all know, GPars is awesome in concurrency programming. How about
introducing a new syntax for GPars's
actor(http://www.gpars.org/guide/guide/actors.html) to support concurrency
programming better like Erlang and
Scala(https://rocketeer.be/articles/concurrency-in-erlang-scala/)? We can
use <- to indicate sending messages(Erlang and Scala uses !). The initial
idea is shown as follows:

// groovy.actor.Actor extends groovyx.gpars.actor.DefaultActor
class Counter extends groovy.actor.Actor {
    int counter = 0;

    void act() {
        react { int num ->
              ...
        }
    }
}

class ActorTest  {
    def counter = new Counter()
    counter.start()

    for (i in 0 .. 100000) {
        counter <- i    // send message to the counter actor
    }
}

       Any thoughts?
      
Cheers,
Daniel.Sun



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