{"id":2007,"date":"2011-02-07T23:38:43","date_gmt":"2011-02-07T05:38:43","guid":{"rendered":"http:\/\/www.moonmile.net\/blog\/archives\/2007"},"modified":"2011-02-08T06:55:25","modified_gmt":"2011-02-07T21:55:25","slug":"%e3%82%a2%e3%83%aa%e3%82%b9%e3%81%af%e4%b8%ad%e5%8f%a4%e3%81%ae%e3%83%97%e3%83%a9%e3%83%80%e3%81%8c%e3%81%8a%e5%ab%8c%e3%81%842","status":"publish","type":"post","link":"http:\/\/www.moonmile.net\/blog\/archives\/2007","title":{"rendered":"\u30a2\u30ea\u30b9\u306f\u4e2d\u53e4\u306e\u30d7\u30e9\u30c0\u304c\u304a\u5acc\u3044(2)"},"content":{"rendered":"<p>\n\u30a2\u30ea\u30b9\u306f\u30d7\u30e9\u30c0\u306e\u4e2d\u53e4\u304c\u304a\u5acc\u3044 | Moonmile Solutions Blog<br \/>\n<a href=\"http:\/\/www.moonmile.net\/blog\/archives\/1442\">http:\/\/www.moonmile.net\/blog\/archives\/1442<\/a>\n<\/p>\n<p>\n\u524d\u56de\u3001\u3053\u3093\u306a\u3068\u3053\u308d\u3067\u4e2d\u53e4\u306e\u30d7\u30e9\u30c0\u3092\u6e21\u3059\u3068\u6fc0\u6012\u3057\u3066\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306f\u5927\u4eba\u3057\u304f false \u3092\u8fd4\u3059\u3053\u3068\u306b\u3057\u307e\u3059\u3002\n<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\n#include &lt;iostream&gt;\r\n\r\nclass Bag {\r\nprotected:\r\n\tbool used;\r\npublic:\r\n\tBag() : used(false) {}\r\n\tvirtual bool getUsed() { return used; }\r\n\tvoid Used() { Bag::used = true; }\r\n};\r\nclass Prada : public Bag {};\r\nclass Tiffany : public Bag {};\r\n\r\n\/\/ \u4e2d\u53e4\u304c\u5acc\u3044\u306a\u30a2\u30ea\u30b9\r\nclass Alice\r\n{\r\npublic:\r\n\tbool DoYouLike( Bag *bag ) \r\n\t{\r\n\t\tif ( bag-&gt;getUsed() == true ) {\r\n\t\t\treturn false;\r\n\t\t} else {\r\n\t\t\treturn true;\r\n\t\t}\r\n\t}\r\n\tvoid Use( Bag *bag ) {\r\n\t\tbag-&gt;Used();\r\n\t}\r\n};\r\n\/\/ \u60aa\u53cb\u30ed\u30ea\u30fc\u30bf\r\nclass Lolita \r\n{\r\npublic:\r\n\tbool DoYouLike( Bag *bag ) {\r\n\t\treturn true;\r\n\t}\r\n\tvoid Use( Bag *bag ) {\r\n\t\tbag-&gt;Used();\r\n\t}\r\n};\r\n\r\nusing namespace std;\r\nint main(void)\r\n{\r\n\tAlice alice;\r\n\tLolita lolita;\r\n\t{\r\n\t\tPrada bag;\r\n\t\tif ( alice.DoYouLike( &amp;bag ) ) {\r\n\t\t\tcout &lt;&lt; &amp;quot;alice like New Prada.&amp;quot; &lt;&lt; endl;\r\n\t\t} else {\r\n\t\t\tcout &lt;&lt; &amp;quot;alice don&#039;t like Used Prada.&amp;quot; &lt;&lt; endl;\r\n\t\t}\r\n\t}\r\n\t{\r\n\t\tPrada bag;\r\n\t\tlolita.Use( &amp;bag );\r\n\t\t\/\/ \u30a2\u30ea\u30b9\u306f\u4ed6\u4eba\u304c\u4f7f\u3063\u305f\u3082\u306e\u304c\u5acc\u3044\r\n\t\tif ( alice.DoYouLike( &amp;bag ) ) {\r\n\t\t\tcout &lt;&lt; &amp;quot;alice like New Prada.&amp;quot; &lt;&lt; endl;\r\n\t\t} else {\r\n\t\t\tcout &lt;&lt; &amp;quot;alice don&#039;t like Used Prada.&amp;quot; &lt;&lt; endl;\r\n\t\t}\r\n\t}\r\n\t{\r\n\t\tPrada bag;\r\n\t\talice.Use( &amp;bag );\r\n\t\t\/\/ \u81ea\u5206\u304c\u4f7f\u3063\u3066\u3082\u5acc\u3044???\r\n\t\tif ( alice.DoYouLike( &amp;bag ) ) {\r\n\t\t\tcout &lt;&lt; &amp;quot;alice like New Prada.&amp;quot; &lt;&lt; endl;\r\n\t\t} else {\r\n\t\t\tcout &lt;&lt; &amp;quot;alice don&#039;t like Used Prada.&amp;quot; &lt;&lt; endl;\r\n\t\t}\r\n\t}\r\n\treturn 0;\r\n}\r\n<\/pre>\n<p>\n\u305f\u3060\u3057\u3001\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3067\u3059\u3068\u306d\u3001\n<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nD:\\work\\blog\\src\\alice&gt;a\r\nalice like New Prada.\r\nalice don&#039;t like Used Prada.\r\nalice don&#039;t like Used Prada.\r\n<\/pre>\n<p>\n\u306a\u98a8\u306b\u81ea\u5206\u304c\u4f7f\u3063\u305f\u30d7\u30e9\u30c0\u306e\u9784\u3082\u5acc\u3044\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002\u306a\u306e\u3067\u3001\n<\/p>\n<ul>\n<li>\u81ea\u5206\u304c\u4f7f\u3063\u305f\u9784\u306f\u4e2d\u53e4\u3067\u3082 OK\uff08\u4e2d\u53e4\u3068\u3044\u3046\u3088\u308a\u3082\u81ea\u5206\u306e\u3082\u306e\u3060\u3057\uff09<\/li>\n<li>\u4ed6\u4eba\u304c\u4f7f\u3063\u305f\u9784\u306f\u5acc\u3044<\/li>\n<\/ul>\n<p>\n\u3068\u3044\u3046\u5224\u5225\u3092\u4ed8\u3051\u305f\u3044\u3068\u3059\u308b\u3068\u3002\n<\/p>\n<p><a href='http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2011\/02\/wpid-dworkblogimage20110207_02org.jpg'><img border='0' src='http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2011\/02\/wpid-dworkblogimage20110207_02thum.jpg'\/><\/a><\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nclass Alice\r\n{\r\npublic:\r\n\tAlice() {}\r\n\tbool DoYouLike( Bag *bag ) \r\n\t{\r\n\t\tif ( bag-&gt;getMark() == this || bag-&gt;getUsed() == false ) {\r\n\t\t\treturn true;\r\n\t\t} else {\r\n\t\t\treturn false;\r\n\t\t}\r\n\t}\r\n\tvoid Use( Bag *bag ) {\r\n\t\tbag-&gt;setMark( this );\r\n\t\tbag-&gt;Used();\r\n\t}\r\n};\r\n<\/pre>\n<p>\n\u306e\u3088\u3046\u306b\u3001Use \u30e1\u30bd\u30c3\u30c9\u4e2d\u3067\u3042\u3089\u304b\u3058\u3081\u81ea\u5206\u306e\u4f7f\u3063\u3066\u3044\u305f\u9784\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u4fdd\u5b58\u3057\u3066\u304a\u3044\u3066\u3001DoYouLike \u30e1\u30bd\u30c3\u30c9\u3067\u306f\u305d\u308c\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002\u81ea\u5206\u306e\u3060\u3063\u305f\u3089 OK \u3063\u3066\u5177\u5408\u3067\u3059\u306d\u3002\n<\/p>\n<p>\n\u3053\u306e\u3042\u305f\u308a\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u81ea Factory \u30af\u30e9\u30b9\u3067\u4f5c\u3063\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u5229\u7528\u3067\u304d\u308b\u3051\u3069\u3001\u4ed6 Factiory \u30af\u30e9\u30b9\u3067\u4f5c\u3063\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u5f3e\u304f\u3063\u3066\u306a\u611f\u3058\u3067\u4f7f\u3048\u307e\u3059\u3002\u72ec\u81ea malloc \u306a\u3093\u304b\u3092\u4f5c\u308b\u3068\u304d\u3001\u5358\u7d14\u306b free \u3057\u305f\u308a\u3059\u308b\u3068\u30a2\u30a6\u30c8\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u81ea\u5206\u306e\u304b\u3069\u3046\u304b\u3092\u5224\u5225\u3059\u308b\u308f\u3051\u3067\u3059\u3002\u3053\u306e\u30d5\u30e9\u30b0\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u81ea\u8eab\u306b\u7f6e\u3044\u3066\u3082\u3088\u3044\u3057\u3001Factory \u30af\u30e9\u30b9\u81ea\u8eab\u306b\u7f6e\u3044\u3066\u3082 OK\u3002\u3069\u3061\u3089\u3082\u3001\u30dd\u30a4\u30f3\u30bf\u5206\u3060\u3051\u3092\u6d88\u8cbb\u3057\u307e\u3059\u304c\u3001\u4f5c\u6210\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u307b\u3046\u306b\u7f6e\u304f\u307b\u3046\u304c\u3001\u81ea\u4ed6\u306e\u5224\u5225\u306f\u65e9\u304f\u306a\u308b\u306e\u304b\u306a\u3041\u3068\u3002\n<\/p>\n<p>\n\u30de\u30fc\u30ad\u30f3\u30b0\u3092\u5229\u7528\u3057\u305f\u30d1\u30bf\u30fc\u30f3\u304c\u4ee5\u4e0b\u3067\u3059\u3002\n<\/p>\n<p><img border='0' src='http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2011\/02\/wpid-dworkblogimage20110207_03.jpg'\/><\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nclass Bag {\r\nprotected:\r\n\tbool used;\r\n\tvoid *_mark;\r\npublic:\r\n\tBag() : used(false), _mark(NULL) {}\r\n\tvirtual bool getUsed() { return used; }\r\n\tvoid Used() { Bag::used = true; }\r\n\t\/\/ \u30de\u30fc\u30ad\u30f3\u30b0\r\n\tvoid setMark( void *mark ) { this-&gt;_mark = mark; }\r\n\tvoid *getMark() { return _mark; }\r\n};\r\nclass Prada : public Bag {};\r\nclass Tiffany : public Bag {};\r\n\r\n\/\/ \u4e2d\u53e4\u304c\u5acc\u3044\u306a\u30a2\u30ea\u30b9\r\nclass Alice\r\n{\r\npublic:\r\n\tAlice() {}\r\n\tbool DoYouLike( Bag *bag ) \r\n\t{\r\n\t\tif ( bag-&gt;getMark() != this &amp;&amp; bag-&gt;getUsed() == true ) {\r\n\t\t\treturn false;\r\n\t\t} else {\r\n\t\t\treturn true;\r\n\t\t}\r\n\t}\r\n\tvoid Use( Bag *bag ) {\r\n\t\tbag-&gt;setMark( this );\r\n\t\tbag-&gt;Used();\r\n\t}\r\n};\r\n<\/pre>\n<p>\n\u3053\u306e\u5834\u5408\u306f\u3001Bag \u30af\u30e9\u30b9\u3092\u4fee\u6b63\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u3001\u3061\u3087\u3063\u3068\u5909\u306a\u6c17\u3082\u3057\u307e\u3059\u304c\u3001\u9784\u306b\u540d\u524d\u3092\u4ed8\u3051\u3066\u304a\u304f\u3068\u304b\u3001\u81ea\u5206\u3060\u3051\u5206\u304b\u308b\u30b7\u30fc\u30eb\u3092\u8cbc\u3063\u3066\u304a\u304f\u3068\u304b\u304c\u3067\u304d\u307e\u3059\u3088\u306d\u3002\u30de\u30fc\u30ad\u30f3\u30b0\u81ea\u4f53\u306f void * \u306b\u306a\u308b\u306e\u3067\u3001&#8221;alice&#8221; \u3068\u3044\u3046\u6587\u5b57\u5217\u3067\u3082\u3088\u3044\u3057\u3001\u30e6\u30cb\u30fc\u30af\u306a\u6570\u5024\u3067\u3082\u69cb\u3044\u307e\u305b\u3093(32,64bit\u4ee5\u5185\u3067\u3042\u308c\u3070)\u3002\u3053\u306e\u624b\u306e\u30de\u30fc\u30ad\u30f3\u30b0\u306f\u3001C# \u3060\u3068 GUID \u3068\u3057\u3066\u4f7f\u308f\u308c\u3066\u3044\u308b\u306e\u3060\u308d\u3046\u306a\u3041\u3001\u3068\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30a2\u30ea\u30b9\u306f\u30d7\u30e9\u30c0\u306e\u4e2d\u53e4\u304c\u304a\u5acc\u3044 | Moonmile Solutions Blog http:\/\/www.moonmile.net\/blog\/archives\/1442 \u524d\u56de\u3001\u3053\u3093\u306a\u3068\u3053\u308d\u3067\u4e2d\u53e4\u306e\u30d7\u30e9\u30c0\u3092\u6e21\u3059\u3068\u6fc0\u6012\u3057\u3066\u4f8b\u5916 &hellip; <a href=\"http:\/\/www.moonmile.net\/blog\/archives\/2007\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"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-2007","post","type-post","status-publish","format-standard","hentry","category-c"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/2007","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=2007"}],"version-history":[{"count":2,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/2007\/revisions"}],"predecessor-version":[{"id":2009,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/2007\/revisions\/2009"}],"wp:attachment":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media?parent=2007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/categories?post=2007"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/tags?post=2007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}