19 lines
501 B
Racket
19 lines
501 B
Racket
#lang syndicate/actor
|
|
|
|
(struct echo-req (body) #:prefab)
|
|
(struct echo-resp (body) #:prefab)
|
|
|
|
(actor (field [count 0])
|
|
(on (message (echo-req $body))
|
|
(send! (echo-resp body))
|
|
(count (+ (count) 1))))
|
|
|
|
(actor (on (message (echo-resp $body))
|
|
(printf "Received: ~v\n" body)))
|
|
|
|
(actor* (until (asserted (observe (echo-req _))))
|
|
(until (asserted (observe (echo-resp _))))
|
|
(send! (echo-req 0))
|
|
(send! (echo-req 1))
|
|
(send! (echo-req 2)))
|