{"id":3056,"date":"2012-02-07T10:40:07","date_gmt":"2012-02-07T01:40:07","guid":{"rendered":"http:\/\/www.moonmile.net\/blog\/archives\/3056"},"modified":"2012-02-08T14:22:47","modified_gmt":"2012-02-08T05:22:47","slug":"%e3%82%a2%e3%83%aa%e3%82%b9%e3%81%afvoid%e3%81%8c%e3%81%8a%e5%ab%8c%e3%81%84","status":"publish","type":"post","link":"http:\/\/www.moonmile.net\/blog\/archives\/3056","title":{"rendered":"\u30a2\u30ea\u30b9\u306fvoid*\u304c\u304a\u5acc\u3044"},"content":{"rendered":"

\u4e45\u3005\u306e\u300c\u30a2\u30ea\u30d7\u30e9\u300d\u30b7\u30ea\u30fc\u30ba\u3067\u3059\uff08\u81ea\u5206\u3082\u5fd8\u308c\u3066\u3044\u305f\u3088\uff09\u3002<\/p>\n

void*\u306bdelete\u3057\u3066\u3082\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3070\u308c\u306a\u3044\uff01\uff1f – \u304b\u305a\u304d\u306eBlog@Hatena
\nhttp:\/\/d.hatena.ne.jp\/okazuki\/20120204\/1328323854<\/a><\/p>\n

\u3068\u3044\u3046\u306e\u3092\u898b\u3064\u3051\u3066\u3001\u4e00\u77ac\u300c\uff1f\u300d\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u78ba\u304b\u306b\u305d\u3046\u3067\u3059\u306d\u3002delete \u3059\u308b\u3068\u304d\u306b void* \u3092\u6e21\u3059\u3068\u578b\u60c5\u5831\u304c\u5931\u308f\u308c\u308b…\u3068\u3044\u3046\u304b\u3001delete \u304c\u578b\u60c5\u5831\u3092\u5224\u5225\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u30e1\u30e2\u30ea\u3068\u3057\u304b\u89e3\u653e\u3055\u308c\u306a\u304f\u3066\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u305b\u3093\u3001\u3068\u3044\u3046\u73fe\u8c61\u3067\u3059\u3002<\/p>\n

\u914d\u5217\u3092 new \u3057\u305f\u3068\u304d\u306b\u3001\u300cdelete [] \u30dd\u30a4\u30f3\u30bf\u300d \u3067\u89e3\u653e\u3057\u306a\u3044\u3068\u3044\u3051\u307e\u305b\u3093\u3002\u3063\u3066\u306e\u3068\u540c\u3058\u8a71\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\r\n#include <iostream>\r\nusing namespace std;\r\n\r\n\/\/ \u30a2\u30ea\u30b9\u30af\u30e9\u30b9\r\nclass Alice\r\n{\r\npublic:\r\n\tAlice() {\r\n\t\tcout << &quot;in constractor&quot; << endl;\r\n\t}\r\n\t~Alice() {\r\n\t\tcout << &quot;in destractor&quot; << endl;\r\n\t}\r\n};\r\n\r\nclass Person\r\n{\r\npublic:\r\n\tPerson() {\r\n\t\tcout << &quot;in Parson::Parson&quot; << endl;\r\n\t}\r\n\tvirtual ~Person() {\r\n\t\tcout << &quot;in Parson::~Parson&quot; << endl;\r\n\t}\r\n};\r\n\/\/ \u30ed\u30ea\u30fc\u30bf\u30af\u30e9\u30b9\u306f\u3001Person \u30af\u30e9\u30b9\u3092\u7d99\u627f\u3059\u308b\r\nclass Lolita : public Person\r\n{\r\npublic:\r\n\tLolita() {\r\n\t\tcout << &quot;in Lolita::Lolita&quot; << endl;\r\n\t}\r\n\tvirtual ~Lolita() {\r\n\t\tcout << &quot;in Lolita::~Lolita&quot; << endl;\r\n\t}\r\n};\r\n\r\n\/\/ \u30a2\u30ea\u30b9\u306fvoid*\u304c\u304a\u5acc\u3044\r\nint main(int argc, char *argv[] )\r\n{\r\n\t{\r\n\t\tcout << &quot;\u81ea\u52d5\u3067\u89e3\u653e&quot; << endl;\r\n\t\tAlice alice;\r\n\t}\r\n\r\n\t{\r\n\t\tcout << &quot;\u81ea\u524d\u3067\u89e3\u653e&quot; << endl;\r\n\t\tAlice *alice = new Alice();\r\n\t\tdelete alice;\r\n\t}\r\n\r\n\t{\r\n\t\tcout << &quot;void*\u3067\u89e3\u653e&quot; << endl;\r\n\t\tvoid *alice = new Alice();\r\n\t\tdelete alice;\r\n\t}\r\n\r\n\t{\r\n\t\tcout << &quot;\u7d99\u627f\u3042\u308a&quot; << endl;\r\n\t\tLolita *lolita = new Lolita();\r\n\t\tdelete lolita;\r\n\t}\r\n\t{\r\n\t\tcout << &quot;\u7d99\u627f\u3042\u308a Person&quot; << endl;\r\n\t\tPerson *lolita = new Lolita();\r\n\t\tdelete lolita;\r\n\t}\r\n\t{\r\n\t\tcout << &quot;\u7d99\u627f\u3042\u308a void*&quot; << endl;\r\n\t\tvoid *lolita = new Lolita();\r\n\t\tdelete lolita;\r\n\t}\r\n\t{\r\n\t\tcout << &quot;\u7d99\u627f\u3042\u308a void* \u304b\u3089 Lolita \u3078\u30ad\u30e3\u30b9\u30c8&quot; << endl;\r\n\t\tvoid *lolita = new Lolita();\r\n\t\tdelete (Lolita*)lolita;\r\n\t}\r\n\t{\r\n\t\tcout << &quot;\u7d99\u627f\u3042\u308a void* \u304b\u3089 Person \u3078\u30ad\u30e3\u30b9\u30c8&quot; << endl;\r\n\t\tvoid *lolita = new Lolita();\r\n\t\tdelete (Lolita*)lolita;\r\n\t}\r\n\treturn 0;\r\n}\r\n\r\n\/* \u5b9f\u884c\u7d50\u679c\r\nD:\\work\\blog\\src\\alice>alice015\r\n\u81ea\u52d5\u3067\u89e3\u653e\r\nin constractor\r\nin destractor\r\n\u81ea\u524d\u3067\u89e3\u653e\r\nin constractor\r\nin destractor\r\nvoid*\u3067\u89e3\u653e\r\nin constractor\r\n\u7d99\u627f\u3042\u308a\r\nin Parson::Parson\r\nin Lolita::Lolita\r\nin Lolita::~Lolita\r\nin Parson::~Parson\r\n\u7d99\u627f\u3042\u308a Person\r\nin Parson::Parson\r\nin Lolita::Lolita\r\nin Lolita::~Lolita\r\nin Parson::~Parson\r\n\u7d99\u627f\u3042\u308a void*\r\nin Parson::Parson\r\nin Lolita::Lolita\r\n\u7d99\u627f\u3042\u308a void* \u304b\u3089 Lolita \u3078\u30ad\u30e3\u30b9\u30c8\r\nin Parson::Parson\r\nin Lolita::Lolita\r\nin Lolita::~Lolita\r\nin Parson::~Parson\r\n\u7d99\u627f\u3042\u308a void* \u304b\u3089 Person \u3078\u30ad\u30e3\u30b9\u30c8\r\nin Parson::Parson\r\nin Lolita::Lolita\r\nin Lolita::~Lolita\r\nin Parson::~Parson\r\n*\/\r\n<\/pre>\n
\u666e\u901a\u306b void* \u306e\u307e\u307e delete \u3057\u3066\u3057\u307e\u3046\u3068\u3001\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u305b\u3093\u304c\u3001delete \u6642\u306b\u5143\u306e\u578b\uff08Lolita\uff09\u306b\u623b\u3057\u3066\u3084\u308b\u3068\u3001\u6b63\u5e38\u306b\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002\u7d99\u627f\u5143\u306e Person* \u306b\u623b\u3057\u3066\u3082\u304d\u3061\u3093\u3068 Lolita \u306e\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u306e\u306f\u3001\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c virtual \u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e45\u3005\u306e\u300c\u30a2\u30ea\u30d7\u30e9\u300d\u30b7\u30ea\u30fc\u30ba\u3067\u3059\uff08\u81ea\u5206\u3082\u5fd8\u308c\u3066\u3044\u305f\u3088\uff09\u3002 void*\u306bdelete\u3057\u3066\u3082\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3070\u308c\u306a\u3044\uff01\uff1f – \u304b\u305a\u304d\u306eBlog@Hatena http:\/\/d.hatena.ne.jp\/okazuk … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":3060,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[22],"tags":[],"class_list":["post-3056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c"],"jetpack_featured_media_url":"http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2011\/12\/title-alice.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/3056","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/comments?post=3056"}],"version-history":[{"count":4,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/3056\/revisions"}],"predecessor-version":[{"id":3058,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/3056\/revisions\/3058"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media\/3060"}],"wp:attachment":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media?parent=3056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/categories?post=3056"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/tags?post=3056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}