Lisp格式:let to lambda
我不熟悉Lisp计划。我遇到了这个使用“let”的代码。如何用lambda替换它 这是密码Lisp格式:let to lambda,lambda,scheme,lisp,let,Lambda,Scheme,Lisp,Let,我不熟悉Lisp计划。我遇到了这个使用“let”的代码。如何用lambda替换它 这是密码 (define Gen-Decoder-A (lambda (p) (define check-decode (lambda (n) (num-valid-words (encode-p p (encode-n n)))) ) (let ((decode-compare (map chec
(define Gen-Decoder-A
(lambda (p)
(define check-decode
(lambda (n)
(num-valid-words (encode-p p (encode-n n))))
)
(let ((decode-compare (map check-decode abc-nums)))
(encode-n (get-position (apply max decode-compare) decode-compare)))
((lambda
)
)
以下是完整代码的链接:
let在Gen-Decoder-A中
帮助我将let更改为lambdaA
let
只是lambda
的语法糖-可以将let
变量重写为lambda
参数,这些参数在调用lambda
时绑定。例如,此表达式:
(let ((decode-compare (map check-decode abc-nums)))
(encode-n (get-position (apply max decode-compare) decode-compare)))
相当于:
((lambda (decode-compare)
(encode-n (get-position (apply max decode-compare) decode-compare)))
(map check-decode abc-nums))
let
只是lambda
的语法糖-可以将let
变量重写为lambda
参数,这些参数在调用lambda
时绑定。例如,此表达式:
(let ((decode-compare (map check-decode abc-nums)))
(encode-n (get-position (apply max decode-compare) decode-compare)))
相当于:
((lambda (decode-compare)
(encode-n (get-position (apply max decode-compare) decode-compare)))
(map check-decode abc-nums))