Next: Arrays, Previous: Sequences Arrays Vectors, Up: Sequences Arrays Vectors [Contents][Index]
Emacs Lisp¤Ç¤Ï¡¢¥·¡¼¥±¥ó¥¹¡Êsequence¡Ë¤È¤Ï¥ê¥¹¥È¤«ÇÛÎó¤Î¤³¤È¤Ç¤¹¡£ ¤¹¤Ù¤Æ¤Î¥·¡¼¥±¥ó¥¹¤Ë¶¦Ä̤¹¤ëÀ¼Á¤Ï¡¢ Í×ÁÇ¤Î½ç½øÉÕ¤±¤¿½¸¤Þ¤ê¤Ç¤¢¤ë¤È¤¤¤¦¤³¤È¤Ç¤¹¡£ ËÜÀá¤Ç¤ÏǤ°Õ¤Î¥·¡¼¥±¥ó¥¹¤ò¼õ¤±ÉÕ¤±¤ë´Ø¿ô¤òÀâÌÀ¤·¤Þ¤¹¡£
object¤¬¡¢¥ê¥¹¥È¡¢¥Ù¥¯¥È¥ë¡¢¤¢¤ë¤¤¤Ï¡¢Ê¸»úÎó¤Ê¤é¤Ðt
¤òÊÖ¤·¡¢
¤µ¤â¤Ê¤±¤ì¤Ðnil
¤òÊÖ¤¹¡£
¤³¤Î´Ø¿ô¤ÏsequenceÆâ¤ÎÍ×ÁǤθĿô¤òÊÖ¤¹¡£
sequence¤¬¡ÊºÇ¸å¤ÎCDR¤¬nil
¤Ç¤Ï¤Ê¤¤¤¿¤á¡Ë
¥ê¥¹¥È¤Ç¤Ï¤Ê¤¤¥³¥ó¥¹¥»¥ë¤Ç¤¢¤ë¤È¡¢
¥¨¥é¡¼wrong-type-argument
¤òÄÌÃΤ¹¤ë¡£
´ØÏ¢¤¹¤ë´Ø¿ôsafe-length
¤Ë¤Ä¤¤¤Æ¤Ï¡¢see List Elements¡£
(length '(1 2 3)) ⇒ 3
(length ()) ⇒ 0
(length "foobar") ⇒ 6
(length [1 2 3]) ⇒ 3
(length (make-bool-vector 5 nil)) ⇒ 5
¤³¤Î´Ø¿ô¤Ïindex¤Çź»úÉÕ¤±¤µ¤ì¤ësequence¤ÎÍ×ÁǤòÊÖ¤¹¡£
index¤ÎÀµÅö¤ÊÃͤϡ¢0¤«¤ésequence¤ÎŤµ¤è¤ê1¾®¤µ¤¤ÈϰϤÎ
À°¿ô¤Ç¤¢¤ë¡£
sequence¤¬¥ê¥¹¥È¤Ç¤¢¤ë¾ì¹ç¤Ë¤Ï¡¢
Èϰϳ°¤Îindex¤ËÂФ·¤Æ¤Ïnil
¤òÊÖ¤¹¡£
¤µ¤â¤Ê¤±¤ì¤Ð¥¨¥é¡¼args-out-of-range
¤ò°ú¤µ¯¤³¤¹¡£
(elt [1 2 3 4] 2) ⇒ 3
(elt '(1 2 3 4) 2) ⇒ 3
;; string
¤òÍѤ¤¤Æelt
¤¬ÊÖ¤¹Ê¸»ú¤òÌÀ³Î¤Ë¤¹¤ë
(string (elt "1234" 2))
⇒ "3"
(elt [1 2 3 4] 4) error→ Args out of range: [1 2 3 4], 4
(elt [1 2 3 4] -1) error→ Args out of range: [1 2 3 4], -1
¤³¤Î´Ø¿ô¤Ï¡¢aref
¡Êsee Array Functions¡Ë¤ä
nth
¡Êsee List Elements¡Ë¤òÈÆÍѤˤ·¤¿¤â¤Î¤Ç¤¢¤ë¡£
sequence¤Î¥³¥Ô¡¼¤òÊÖ¤¹¡£ ¥³¥Ô¡¼¤Ï¡¢¤â¤È¤Î¥·¡¼¥±¥ó¥¹¤ÈƱ¤¸·¿¤Î¥ª¥Ö¥¸¥§¥¯¥È¤Ç¤¢¤ê¡¢ Ʊ¤¸Í×ÁǤ¬Æ±¤¸½ç½ø¤ÇÆþ¤Ã¤Æ¤¤¤ë¡£
¥³¥Ô¡¼¤Ë¿·¤¿¤ÊÍ×ÁǤò³ÊǼ¤·¤Æ¤â¡¢¤â¤È¤Îsequence¤Ë¤Ï±Æ¶Á¤»¤º¡¢
¤½¤ÎµÕ¤â¤½¤¦¤Ç¤¢¤ë¡£
¤·¤«¤·¡¢¿·¤¿¤Ê¥·¡¼¥±¥ó¥¹¤ÎÍ×ÁǤϥ³¥Ô¡¼¤·¤Æ¤¤¤Ê¤¤¡£
¤Ä¤Þ¤ê¡¢¤½¤ì¤é¤Ï¤â¤È¤ÎÍ×ÁÇ¤ÈÆ±°ì¡Êeq
¡Ë¤Ç¤¢¤ë¡£
¤·¤¿¤¬¤Ã¤Æ¡¢¥·¡¼¥±¥ó¥¹¤Î¥³¥Ô¡¼¤Ë¤ª¤¤¤Æ¡¢
¤½¤ì¤é¤ÎÍ×ÁÇ¤ÎÆâÉô¤òÊѹ¹¤¹¤ë¤È¡¢¤â¤È¤Î¥·¡¼¥±¥ó¥¹¤Ç¤â¤½¤ÎÊѹ¹¤¬¤ï¤«¤ë¡£
¥·¡¼¥±¥ó¥¹¤¬¥Æ¥¥¹¥È°À¤ò»ý¤Äʸ»úÎó¤Ç¤¢¤ë¾ì¹ç¤Ë¤Ï¡¢ ¥³¥Ô¡¼¤ÎÃæ¤Î°À¥ê¥¹¥È¤½¤Î¤â¤Î¤â¥³¥Ô¡¼¤Ç¤¢¤ê¡¢ ¤â¤È¤Î°À¥ê¥¹¥È¤ò¶¦Í¤¹¤ë¤Î¤Ç¤Ï¤Ê¤¤¡£ ¤·¤«¤·¡¢Â°À¤Î¼ÂºÝ¤ÎÃͤ϶¦Í¤µ¤ì¤ë¡£
¥·¡¼¥±¥ó¥¹¤ò¥³¥Ô¡¼¤¹¤ëÊ̤ÎÊýË¡¤Ë¤Ä¤¤¤Æ¤Ï¡¢
Building Lists¤Îappend
¡¢Creating Strings¤Îconcat
¡¢
Vectors¤Îvconcat
¤ò»²¾È¡£
(setq bar '(1 2)) ⇒ (1 2)
(setq x (vector 'foo bar)) ⇒ [foo (1 2)]
(setq y (copy-sequence x)) ⇒ [foo (1 2)]
(eq x y) ⇒ nil
(equal x y) ⇒ t
(eq (elt x 1) (elt y 1)) ⇒ t
;; 1¤Ä¤Î¥·¡¼¥±¥ó¥¹¤Î1¤Ä¤ÎÍ×ÁǤòÃÖ¤´¹¤¨¤ë
(aset x 0 'quux)
x ⇒ [quux (1 2)]
y ⇒ [foo (1 2)]
;; ¶¦Í¤µ¤ì¤¿Í×ÁÇ¤ÎÆâÉô¤ò½¤Àµ¤¹¤ë
(setcar (aref x 1) 69)
x ⇒ [quux (69 2)]
y ⇒ [foo (69 2)]
Next: Arrays, Previous: Sequences Arrays Vectors, Up: Sequences Arrays Vectors [Contents][Index]