14 lines
382 B
Racket
14 lines
382 B
Racket
#lang syndicate
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;; Trivial example program to demonstrate tracing
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(assertion-struct one-plus (n m))
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(spawn #:name 'add1-server
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(during/spawn (observe (one-plus $n _))
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#:name (list 'solving 'one-plus n)
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(assert (one-plus n (+ n 1)))))
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(spawn #:name 'client-process
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(stop-when (asserted (one-plus 3 $value))
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(printf "1 + 3 = ~a\n" value)))
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