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- ;;; -*-Scheme-*-
-
- (define acc)
- (define bcc)
- (define n 5)
-
- (define (a)
- (if (not (= 0 (call-with-current-continuation
- (lambda (cc)
- (set! acc cc) 0))))
- (if (> n 0)
- (begin
- (set! n (- n 1))
- (display "resume b") (newline)
- (bcc 1))
- #v)
- acc))
-
- (define (b)
- (if (not (= 0 (call-with-current-continuation
- (lambda (cc)
- (set! bcc cc) 0))))
- (begin
- (display "resume a") (newline)
- (acc 1)))
- bcc)
-
- (a)
- (b)
- (acc 1)
-