1 minute, 32 seconds | Higher-order Functions - slide 4 : 34 |
;; A simple linear list search function. ;; Return the first element which satisfies the predicate pred. ;; If no such element is found, return #f. (define (find-in-list pred lst) (cond ((null? lst) #f) ((pred (car lst)) (car lst)) (else (find-in-list pred (cdr lst)))))