网页设计师个人简历参考范文/莱阳seo排名
(define (make-accumulator num)(lambda (amount)(begin (set! num (+ num amount))num)))
(define A (make-accumulator 5))
(A 10)
(A 10)
运行结果
15
25
(define (make-accumulator num)(lambda (amount)(begin (set! num (+ num amount))num)))
(define A (make-accumulator 5))
(A 10)
(A 10)
运行结果
15
25