syndicate-2017/racket/syndicate/examples/actor/show-field-scope-enforcemen...

15 lines
492 B
Racket

#lang syndicate/actor
;; Demonstrates that fields may not be passed between sibling facets.
(actor (on (message `(read-from ,$this-field))
(log-info "Trying to read from ~a" this-field)
(log-info "Read: ~a" (this-field))
(send! `(read-successfully ,this-field)))
(on-start
(react
(field [a 123])
(on-start
(send! `(read-from ,a))
(until (message `(read-successfully ,a)))
(log-info "Done.")))))