{"id":2613,"date":"2018-12-01T22:47:14","date_gmt":"2018-12-01T13:47:14","guid":{"rendered":"http:\/\/okamurax.com\/?p=2613"},"modified":"2018-12-01T22:47:14","modified_gmt":"2018-12-01T13:47:14","slug":"c-%e9%81%85%e5%bb%b6%e8%a9%95%e4%be%a1%e3%80%81ienumerable","status":"publish","type":"post","link":"https:\/\/appbay.org\/?p=2613","title":{"rendered":"C# \u9045\u5ef6\u8a55\u4fa1\u3001IEnumerable"},"content":{"rendered":"<pre class=\"lang:c# decode:true \">        public Form1()\r\n        {\r\n            Stopwatch sw = new Stopwatch();\r\n            sw.Start();\r\n\r\n            \/\/\u9045\u5ef6\u8a55\u4fa1\r\n\r\n            \/\/var c = Enumerable.Range(1, 2).Select(x =&gt; stop(x));\r\n            \/\/\u3053\u306e\u8868\u8a18\u3060\u3051\u3060\u3068\u5373\u6642\u8a55\u4fa1\u3055\u308c\u306a\u3044\u306e\u30671\u79d2\u3082\u304b\u304b\u3089\u306a\u3044\r\n\r\n            \/\/var c = Enumerable.Range(1, 2).Select(x =&gt; stop(x)).ToArray();\r\n            \/\/\u3053\u306e\u3088\u3046\u306bToArray\u3084ToList\u3092\u3064\u3051\u308b\u3068\u300110\u79d2\u304b\u304b\u308b\u3002\r\n\r\n            sw.Stop();\r\n            Debug.Print(sw.Elapsed.ToString());\r\n\r\n            \/\/\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u8aad\u53d6\u5c02\u7528\r\n\r\n            \/\/IEnumerable\r\n            \/\/IReadOnlyCollection \/ ICollection\r\n            \/\/IReadOnlyList       \/ IList\r\n            \/\/ReadOnlyCollection  \/ List\r\n\r\n            \/\/IReadOnlyCollection\u306f IEnumerable + Count\u306e\u307f\u3002\r\n            \/\/IReadOnlyList\u306f IReadOnlyCollection + \u30a4\u30f3\u30c7\u30af\u30b5\u3002\r\n            \/\/ReadOnlyCollection \u3068\u3042\u308b\u304cIList\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u3002\r\n\r\n        }\r\n\r\n        private int stop(int n)\r\n        {\r\n            Debug.Print(n.ToString());\r\n            Thread.Sleep(1000 * 5);\r\n            return n;\r\n        }<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>public Form1() { Stopwatch sw = new Stopwatch(); sw.Start(); \/\/\u9045\u5ef6\u8a55\u4fa1 \/\/var c = Enumerable.Range(1, 2).Select(x  &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/appbay.org\/?p=2613\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;C# \u9045\u5ef6\u8a55\u4fa1\u3001IEnumerable&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9],"class_list":["post-2613","post","type-post","status-publish","format-standard","hentry","category-1","tag-c-net"],"_links":{"self":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/2613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2613"}],"version-history":[{"count":1,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/2613\/revisions"}],"predecessor-version":[{"id":2614,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/2613\/revisions\/2614"}],"wp:attachment":[{"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}