<cl> (scheme-interpreter) ==> (call/cc (lambda (cc) (set! reset (lambda () (cc "back to top level"))))) #<Interpreted Closure ...> ==> (reset) "back to top level" ==> (list (display 1) (display 2) (reset) 3) 12 "back to top level" ==>以下のように,resetを定義する場所が手続きの中であった場合には,
<cl> (scheme-interpreter) ==> (define (test) (display 1) (call/cc (lambda (cc) (set! reset (lambda () (cc "back to top level"))))) (display 2)) TEST ==> (test) 12 2 ==> (reset) 2 2というような結果となります.