{"author_name":"siokoshou","version":"1.0","provider_url":"https://hatena.blog","url":"https://siokoshou.hatenadiary.org/entry/20071125/p2","type":"rich","published":"2007-11-25 00:00:01","blog_title":"\u5f53\u9762C#\u3068.NET\u306a\u8a18\u9332","provider_name":"Hatena Blog","image_url":null,"author_url":"https://blog.hatena.ne.jp/siokoshou/","title":" LINQ to Object \u306e\u30a4\u30c7\u30a3\u30aa\u30e0 \u305d\u306e1 : Cast() \u3068 OfType()","categories":["C#"],"blog_url":"https://siokoshou.hatenadiary.org/","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsiokoshou.hatenadiary.org%2Fentry%2F20071125%2Fp2\" title=\" LINQ to Object \u306e\u30a4\u30c7\u30a3\u30aa\u30e0 \u305d\u306e1 : Cast() \u3068 OfType() - \u5f53\u9762C#\u3068.NET\u306a\u8a18\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u6628\u65e5\u306e LINQ to Object \u30b3\u30fc\u30c9\u304c\u8aad\u3081\u306a\u304f\u306a\u308b\u524d\u306b(^^; \u30e1\u30e2\u3092\u5c11\u3057\u66f8\u304d\u6563\u3089\u3057\u3066\u304a\u304d\u307e\u3059\u3002 IEnumerable \u3092 LINQ to Object \u3067\u6271\u3046\u306b\u306f Cast() \u304b OfType() \u3067 IEnumerable \u306b\u5909\u63db\u3059\u308b\u3002\u53e4\u304f\u304b\u3089\u3042\u308b\u975e\u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u306a\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092 LINQ \u3067\u6271\u3046\u306b\u306f\u5909\u63db\u5fc5\u9808\u3002 Cast() \u3068 OfType() \u306f\u3069\u3061\u3089\u3082\u30b7\u30fc\u30b1\u30f3\u30b9\u306e\u5404\u8981\u7d20\u3092\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u5217\u6319\u3059\u308b Cast() \u306f\u305d\u306e\u307e\u307e\u30ad\u30e3\u30b9\u30c8\u3059\u308b\u3060\u3051\u3002\u30ad\u30e3\u30b9\u30c8\u3067\u304d\u306a\u3044\u3068\u4f8b\u5916\u304c\u98db\u3076\u3002(\u30d1\u30a4\u30d7\u3068\u4f8b\u5916\u306f\u76f8\u6027\u304c\u60aa\u3044\u3051\u3069\u3001\u305d\u308c\u306f\u307e\u305f\u5225\u306e\u8a71) OfType() \u306f is T \u3060\u3051\u5217\u6319\u3059\u308b\u3002is T \u3067\u306a\u2026","width":"100%"}