{"id":5476,"date":"2015-04-04T22:08:34","date_gmt":"2015-04-04T13:08:34","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=5476"},"modified":"2015-04-04T22:18:15","modified_gmt":"2015-04-04T13:18:15","slug":"c11-%e3%81%ae-final-%e3%81%a8-override","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=5476","title":{"rendered":"C++11 \u306e final \u3068 override"},"content":{"rendered":"

Ut Video Codec Suite \u306e\u30bd\u30fc\u30b9\u3092\u5927\u5e45\u306b\u3044\u3058\u308a\u3064\u3064\u3001Java \u3067\u3044\u3046 final \uff08C# \u3067\u306f sealed\uff09\u3084 C# \u3067\u3044\u3046 override \u304c\u7121\u3044\u305b\u3044\u3067\u7121\u99c4\u306b\u30cf\u30de\u3063\u3066\u308b\u306a\u3041\u3001\u3068\u611f\u3058\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001C++11 \u306b\u306f final \u3068 override \u304c\u8ffd\u52a0\u3055\u308c\u3066\u305f\u3093\u3067\u3059\u306d\u3002<\/p>\n

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class A\r\n{\r\npublic:\r\n    virtual void foo() final<\/strong>;\r\n\r\n    virtual void bar();\r\n    void baz();\r\n    virtual void hoge();\r\n\r\n    virtual void fuga();\r\n};\r\n\r\nclass B final<\/strong> : public A\r\n{\r\npublic:\r\n    void foo();           \/\/ NG: final \u4eee\u60f3\u95a2\u6570\u306f\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3067\u304d\u306a\u3044\r\n\r\n    void bar() override<\/strong>;  \/\/ OK\r\n    void baz() override<\/strong>;  \/\/ NG: A::baz() \u306f\u4eee\u60f3\u95a2\u6570\u3067\u306f\u306a\u3044\r\n    void hage() override<\/strong>; \/\/ NG: A::hage() \u306f\u5b58\u5728\u3057\u306a\u3044\r\n\r\n    void fuga() override<\/strong> final<\/strong>;\r\n    \/\/ OK: override \u3068 final \u306e\u4e21\u65b9\u3092\u4ed8\u3051\u308b\u3053\u3068\u3082\u3067\u304d\u308b\r\n}\r\n\r\nclass C : public B \/\/ NG: final \u30af\u30e9\u30b9\u306f\u7d99\u627f\u3067\u304d\u306a\u3044\r\n{\r\n};<\/pre>\n<\/blockquote>\n
\u306a\u3093\u3067\u95a2\u6570\u5ba3\u8a00\u306e\u6700\u5f8c\u306b\u4ed8\u3051\u308b\u306e\u304b\u306a\u30fc\u3068\u601d\u3063\u305f\u3093\u3067\u3059\u304c\u3001\u3053\u308c\u306f\u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\u3092\u5ba3\u8a00\u3059\u308b\u3068\u304d\u306e = 0<\/code> \u3068\u540c\u3058\u30b0\u30eb\u30fc\u30d7\u3068\u3044\u3046\u6271\u3044\u306a\u306e\u3060\u3068\u601d\u308f\u308c\u307e\u3059 \u2026\u3068\u601d\u3063\u3066\u3044\u305f\u3089\u3001C++\u306e\u6c5f\u6dfb\u3055\u3093\u306e\u89e3\u8aac\u8a18\u4e8b<\/a>\u306b\u3088\u308b\u3068\u3069\u3046\u3082\u9055\u3046\u3089\u3057\u3044\u3002<\/p>\n
\u306a\u304a\u3001override \u304c\u6700\u521d\u306e\u4ed5\u69d8\u304b\u3089\u542b\u307e\u308c\u3066\u3044\u308b C# \u3068\u306f\u9055\u3044\u3001override \u3092\u4ed8\u3051\u305a\u306b\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3088\u3046\u3068\u3057\u3066\u3082\u3001\u4eca\u307e\u3067\u901a\u308a\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u307e\u3059\uff08\u305d\u308a\u3083\u305d\u3046\u3060\uff09\u3002<\/p>\n
final \u3068 override \u306f Visual C++ \u3060\u3068 2012 \u304b\u3089\u4f7f\u3048\u308b<\/a>\u3088\u3046\u306a\u306e\u3067\u3059\u304c\u3001gcc \u3060\u3068 4.7 \u304b\u3089<\/a>\u3001clang \u3060\u3068 3.0 \u304b\u3089<\/a>\uff08\u3068\u3082\u306b “Explicit virtual overrides” \u306e\u3068\u3053\u308d\u3092\u53c2\u7167\uff09\u306a\u306e\u3067\u3001\u4eca\u4f7f\u3063\u3066\u308b Mac \u306e\u53e4\u30fc\u3044 Xcode 3.2.6 \uff08gcc \u306f 4.2.1\u3001 clang \u306f 1.7\uff09\u3067\u306f\u5f53\u7136\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u30b3\u30fc\u30c9\u3092\u5927\u5e45\u306b\u5909\u3048\u305f\u4e0a\u306b\u30d3\u30eb\u30c9\u74b0\u5883\u307e\u3067\u5909\u3048\u308b\u306e\u306f\u3055\u3059\u304c\u306b\u30ea\u30b9\u30ad\u30fc\u306a\u306e\u3067\u3001\u30cf\u30c3\u30d4\u30fc\u306b\u306a\u308c\u308b\u306e\u306f\u3057\u3070\u3089\u304f\u5148\u306e\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Ut Video Codec Suite \u306e\u30bd\u30fc\u30b9\u3092\u5927\u5e45\u306b\u3044\u3058\u308a\u3064\u3064\u3001Java \u3067\u3044\u3046 final \uff08C# \u3067\u306f sealed\uff09\u3084 C# \u3067\u3044\u3046 override \u304c\u7121\u3044\u305b\u3044\u3067\u7121\u99c4\u306b\u30cf\u30de\u3063\u3066\u308b\u306a\u3041\u3001\u3068\u611f\u3058\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-5476","post","type-post","status-publish","format-standard","hentry","category-technology"],"_links":{"self":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5476","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5476"}],"version-history":[{"count":12,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5476\/revisions"}],"predecessor-version":[{"id":5488,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5476\/revisions\/5488"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5476"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}