챕터 4 연습문제를 풀었습니다. ;;; ex 4.1 (def result (glitter-filter 3 (mapify (parse (slurp filename))))) (map :name result) ;; => ("Edward Cullen" "Jacob Black" "Carlisle Cullen") ;;; ex 4.2 (defn append [[car & cdr] new-suspect] (if car (cons car (lazy-seq (append cdr new-suspect))) (list new-suspect))) (append '() 1) ;; => (1) (append '(1 2 3 4) 5) ;; => (1 2 3 4 5) ;;; ex 4.3 (def validators {:..