syndicate-rkt/syndicate-examples/simple-cross-layer.rkt

13 lines
434 B
Racket

#lang syndicate
(assertion-struct greeting (text))
(spawn #:name "A" (assert (greeting "Hi from outer space!")))
(spawn #:name "B" (on (asserted (greeting $t))
(printf "Outer dataspace: ~a\n" t)))
(dataspace #:name "C"
(spawn #:name "D" (assert (outbound (greeting "Hi from inner!"))))
(spawn #:name "E" (on (asserted (inbound (greeting $t)))
(printf "Inner dataspace: ~a\n" t))))