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typesetting/csp/csp-test-etc.rkt

24 lines
601 B
Racket

#lang at-exp racket
(require "csp.rkt" racket/port rackunit)
(use-mrv? #f)
(use-reduce-arity? #f)
(use-mac? #f)
(use-remove-constraints? #f)
(use-validate-assignments? #t)
(define (neq? x y) (not (eq? x y)))
(define c (make-csp))
(add-vars! c '(wa nsw t q nt v sa) '(red green blue))
(add-constraint! c neq? '(wa nt))
(add-constraint! c neq? '(nt q))
(add-constraint! c neq? '(q nsw))
(add-constraint! c neq? '(nsw v))
(add-constraint! c neq? '(sa wa))
(add-constraint! c neq? '(sa nt))
(add-constraint! c neq? '(sa q))
(add-constraint! c neq? '(sa nsw))
(add-constraint! c neq? '(sa v))
(solve c)