{"id":7506,"date":"2025-09-07T22:45:37","date_gmt":"2025-09-07T13:45:37","guid":{"rendered":"https:\/\/pecos.ddns.net\/wordpress\/?p=7506"},"modified":"2025-09-07T22:53:49","modified_gmt":"2025-09-07T13:53:49","slug":"%e3%81%84%e3%81%a4%e3%81%ae%e9%96%93%e3%81%ab%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/pecos.ddns.net\/wordpress\/?p=7506","title":{"rendered":"\u3044\u3064\u306e\u9593\u306b\uff1f"},"content":{"rendered":"<p>\u77e5\u3089\u306a\u3044\u9593\u306b\u4fbf\u5229\u306b\u306a\u3063\u3066\u305fC#\u69cb\u6587<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nvoid foo(object a) {\r\n\u3000\u3000\/\/\u4eca\u307e\u3067\u3053\u3093\u306a\u611f\u3058\u3060\u3063\u305f\u306e\u304c\r\n    var t = a as T;\r\n    if (t is not null) {\r\n        t.bar();\r\n    }\r\n    \/\/\u3053\u308c\u3067\u6e08\u3080\r\n    if (a is T t) {\r\n        t.bar();\r\n    }\r\n}\r\n<\/pre>\n<p>\u3053\u308c\u304c\u601d\u3044\u306e\u5916\u4fbf\u5229\u3002<br \/>\n\u4ed6\u306b\u3082Tuple\u306b\u540d\u524d\u4ed8\u3051\u3089\u308c\u305f\u308a\u3068\u304bVSCode\u306e\u69cb\u6587\u30c1\u30a7\u30c3\u30ab\u30fc\u304c\u3044\u308d\u3044\u308d\u6307\u5357\u3057\u3066\u304f\u308c\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u77e5\u3089\u306a\u3044\u9593\u306b\u4fbf\u5229\u306b\u306a\u3063\u3066\u305fC#\u69cb\u6587 void foo(object a) { \u3000\u3000\/\/\u4eca\u307e\u3067\u3053\u3093\u306a\u611f\u3058\u3060\u3063\u305f\u306e\u304c var t = a as T; if (t is not null) { t.bar(); } \/\/\u3053\u308c\u3067 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-7506","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"https:\/\/pecos.ddns.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pecos.ddns.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pecos.ddns.net\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pecos.ddns.net\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pecos.ddns.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7506"}],"version-history":[{"count":5,"href":"https:\/\/pecos.ddns.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7506\/revisions"}],"predecessor-version":[{"id":7508,"href":"https:\/\/pecos.ddns.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7506\/revisions\/7508"}],"wp:attachment":[{"href":"https:\/\/pecos.ddns.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pecos.ddns.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pecos.ddns.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}