;;; Pairs

;;; CONS constructs pairs. CAR and CDR return the head and tail of a CONS-pair.

  1. > (cons 'SUBJECT 'VERB)
  2. '(SUBJECT . VERB)
  3. > (car (cons 'SUBJECT 'VERB))
  4. SUBJECT
  5. > (cdr (cons 'SUBJECT 'VERB))
  6. VERB
文档更新时间: 2019-06-14 16:33