16 lines
554 B
Racket
16 lines
554 B
Racket
; SPDX-License-Identifier: LGPL-3.0-or-later
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; Copyright (C) 2010-2021 Tony Garnock-Jones <tonygarnockjones@gmail.com>
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#lang syndicate
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(assertion-struct greeting (text))
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(spawn #:name "A" (assert (greeting "Hi from outer space!")))
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(spawn #:name "B" (on (asserted (greeting $t))
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(printf "Outer dataspace: ~a\n" t)))
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(dataspace #:name "C"
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(spawn #:name "D" (assert (outbound (greeting "Hi from inner!"))))
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(spawn #:name "E" (on (asserted (inbound (greeting $t)))
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(printf "Inner dataspace: ~a\n" t))))
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