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19.6 Yes/No¤ÎÌ䤤¹ç¤ï¤»

ËÜÀá¤Ç¤Ï¥æ¡¼¥¶¡¼¤Ëyes/no¤òÌ䤤¹ç¤ï¤»¤ë¤¿¤á¤Î´Ø¿ô¤Ë¤Ä¤¤¤Æ½Ò¤Ù¤Þ¤¹¡£ ´Ø¿ôy-or-n-p¤Ë¤Ï¡¢1ʸ»ú¤ÇÅú¤¨¤Þ¤¹¡£ ¸í¤Ã¤¿Åú¤¨¤Ç¤â½ÅÂç¤ÊÌäÂê¤Ë»ê¤é¤Ê¤¤¤è¤¦¤ÊÌ䤤¹ç¤ï¤»¤ËÊØÍø¤Ç¤¹¡£ yes-or-no-p¤Ë¤Ï3ʸ»ú¤«4ʸ»ú¤ÇÅú¤¨¤ëɬÍפ¬¤¢¤ë¤¿¤á¡¢ ¤è¤ê½ÅÍפÊÌ䤤¹ç¤ï¤»¤ËŬ¤·¤Æ¤¤¤Þ¤¹¡£

¤³¤ì¤é¤Î´Ø¿ô¤¬¥Þ¥¦¥¹¤ò»È¤Ã¤Æµ¯Æ°¤µ¤ì¤¿¥³¥Þ¥ó¥É¤«¤é¸Æ¤Ð¤ì¤ë¤È¡¢ ¤è¤êÀµ³Î¤Ë¤Ï¡¢last-nonmenu-event¡Êsee Command Loop Info¡Ë¤¬ nil¤«¥ê¥¹¥È¤Ç¤¢¤ë¤È¡¢ ´Ø¿ô¤ÏÌ䤤¹ç¤ï¤»¤Î¤¿¤á¤ÎÂÐÏåܥ寥¹¤ä¥Ý¥Ã¥×¥¢¥Ã¥×¥á¥Ë¥å¡¼¤ò»È¤¤¤Þ¤¹¡£ ¤µ¤â¤Ê¤±¤ì¤Ð¡¢¥­¡¼¥Ü¡¼¥ÉÆþÎϤò»È¤¤¤Þ¤¹¡£ ¸Æ¤Ó½Ð¤·¤Ë¤ª¤¤¤Ælast-nonmenu-event¤ËŬÀÚ¤ÊÃͤò«Çû¤¹¤ë¤³¤È¤Ç ¥Þ¥¦¥¹¤«¥­¡¼¥Ü¡¼¥ÉÆþÎϤλÈÍѤò¶¯À©¤Ç¤­¤Þ¤¹¡£

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Function: y-or-n-p prompt

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¡ØÌ䤤¹ç¤ï¤»¡Ù¤Ç¤Ï¡¢¥¨¥³¡¼Îΰè¤Ëprompt¤òɽ¼¨¤·¡¢ ʸ»úÎó‘(y or n) ¤¬Â³¤­¤Þ¤¹¡£ ÆþÎϤ¬Àµ¤·¤¤±þÅú¡Êy¡¢n¡¢SPC¡¢ DEL¡¢ÃæÃǤʤɡˤǤʤ¤¤È¡¢ ´Ø¿ô¤Ï‘Please answer y or n.’¤òɽ¼¨¤·¤Æ Ì䤤¹ç¤ï¤»¤ë¤ò·«¤êÊÖ¤¹¡£

±þÅú¤ÏÊÔ½¸¤Ç¤­¤Ê¤¤¤Î¤Ç¡¢¤³¤Î´Ø¿ô¤Ï¼ÂºÝ¤Ë¤Ï¥ß¥Ë¥Ð¥Ã¥Õ¥¡¤ò»È¤ï¤Ê¤¤¡£ ¥ß¥Ë¥Ð¥Ã¥Õ¥¡¤¬»È¤¦¤Î¤ÈƱ¤¸²èÌÌÎΰè¤ò»È¤¦ ¥¨¥³¡¼Îΰè¡Êsee The Echo Area¡Ë¤ò¼ÂºÝ¤Ë¤Ï»È¤¦¡£ Ì䤤¹ç¤ï¤»Ãæ¤Ï¡¢¥«¡¼¥½¥ë¤Ï¥¨¥³¡¼Îΰè¤Ë°Üư¤¹¤ë¡£

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(y-or-n-p "Do you need a lift? ")

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---------- Echo area ----------
Do you need a lift? (y or n) 
---------- Echo area ----------
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---------- Echo area ----------
Please answer y or n.  Do you need a lift? (y or n) 
---------- Echo area ----------
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---------- Echo area ----------
Do you need a lift? (y or n) y
---------- Echo area ----------

¤³¤³¤Ç¤Ï¡¢¥¨¥³¡¼Îΰè¤Î¥á¥Ã¥»¡¼¥¸¤òÊ£¿ô¹Ô¼¨¤·¤¿¤¬¡¢ ¼ÂºÝ¤Ë¤Ï¡¢1ÅÙ¤Ë1¤Ä¤Î¥á¥Ã¥»¡¼¥¸¤À¤±¤¬É½¼¨¤µ¤ì¤ë¡£

Function: y-or-n-p-with-timeout prompt seconds default-value

y-or-n-p¤ÈƱÍͤÀ¤¬¡¢¥æ¡¼¥¶¡¼¤¬secondsÉÃ°ÊÆâ¤ËÅú¤¨¤Ê¤¤¤È¡¢ ÆþÎϤòÂÔ¤¿¤º¤Ëdefault-value¤òÊÖ¤¹¡£ ¤³¤ì¤Ë¤Ï¥¿¥¤¥Þ¤ò»È¤¦¡£ Timers¤ò»²¾È¡£ °ú¿ôseconds¤ÏÀ°¿ô¤Ç¤âÉâÆ°¾®¿ôÅÀ¤Ç¤â¤è¤¤¡£

Function: yes-or-no-p prompt

¤³¤Î´Ø¿ô¤Ï¥æ¡¼¥¶¡¼¤ËÌ䤤¹ç¤ï¤»¡¢¥ß¥Ë¥Ð¥Ã¥Õ¥¡¤Ç¤ÎÆþÎϤò²¾Äꤹ¤ë¡£ ¥æ¡¼¥¶¡¼¤¬‘yes’¤òÆþÎϤ¹¤ë¤Èt¤òÊÖ¤·¡¢ ‘no’¤òÆþÎϤ¹¤ë¤Ènil¤òÊÖ¤¹¡£ ±þÅú¤ò½ª¤¨¤ë¤¿¤á¤Ë¥æ¡¼¥¶¡¼¤ÏRET¤òÂǤÄɬÍפ¬¤¢¤ë¡£ Âçʸ»ú¤È¾®Ê¸»ú¤ÏƱ¤¸°ÕÌ£¤Ç¤¢¤ë¡£

yes-or-no-p¤Ï¡¢¤Þ¤º¡¢prompt¤Ë³¤±¤Æ ‘(yes or no) ¤ò¥¨¥³¡¼Îΰè¤Ëɽ¼¨¤¹¤ë¡£ ¥æ¡¼¥¶¡¼¤ÏÀµ¤·¤¤±þÅú¤Î1¤Ä¤òÆþÎϤ¹¤ëɬÍפ¬¤¢¤ë¡£ ¤µ¤â¤Ê¤¤¤È¡¢¤³¤Î´Ø¿ô¤Ï‘Please answer yes or no.’¤ò2ÉÃ¤Û¤É É½¼¨¤·¤Æ¤«¤éÌ䤤¹ç¤ï¤»¤ò·«¤êÊÖ¤¹¡£

yes-or-no-p¤Ïy-or-n-p¤è¤ê¤â¥æ¡¼¥¶¡¼¤Î¼ê´Ö¤òɬÍפȤ·¡¢ ¤è¤ê½ÅÍפʷèÄê¤ËŬ¤·¤Æ¤¤¤ë¡£

Îã¤ò¼¨¤¹¡£

(yes-or-no-p "Do you really want to remove everything? ")

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---------- Buffer: minibuffer ----------
Do you really want to remove everything? (yes or no) 
---------- Buffer: minibuffer ----------

¥æ¡¼¥¶¡¼¤Ï¡¢¤Þ¤ºy RET¤òÂǤĤ¬¡¢ ¤³¤Î´Ø¿ô¤Ï´°Á´¤Êñ¸ì‘yes’¤òÍ׵᤹¤ë¤Î¤ÇÀµ¤·¤¯¤Ê¤¤¡£ °Ê²¼¤Î¥×¥í¥ó¥×¥È¤ò¾¯¤·»þ´Ö¤ò¤ª¤¤¤ÆÉ½¼¨¤¹¤ë¡£

---------- Buffer: minibuffer ----------
Please answer yes or no.
Do you really want to remove everything? (yes or no)
---------- Buffer: minibuffer ----------

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