{"author_url":"https://blog.hatena.ne.jp/rksoftware/","title":"C# 9.0 \u306e\u78ba\u8a8d\u300c\u30ec\u30b3\u30fc\u30c9\u300d","height":"190","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frksoftware.hatenablog.com%2Fentry%2F2020%2F11%2F15%2F201943\" title=\"C# 9.0 \u306e\u78ba\u8a8d\u300c\u30ec\u30b3\u30fc\u30c9\u300d - rksoftware\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"blog_url":"https://rksoftware.hatenablog.com/","blog_title":"rksoftware","version":"1.0","categories":["C#"],"description":"C# 9.0 \u306e\u78ba\u8a8d\u306e\u76ee\u6b21\u306f\u3053\u3061\u3089 \u25a0 \u30ec\u30b3\u30fc\u30c9\u306e\u57fa\u672c \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u3053\u3061\u3089 GetHashCode()\u3001ToString()\u3001== \u306a\u3093\u304b\u3092\u3044\u3044\u611f\u3058\u306b\u52dd\u624b\u306b\u5b9f\u88c5\u3057\u3066\u304f\u308c\u308b\u7d20\u6575\u306a\u578b\u3067\u3059\u3002 \u5024\u3092\u8868\u73fe\u3059\u308b\u30af\u30e9\u30b9\u3092\u3044\u3044\u611f\u3058\u306b\u4f5c\u3063\u3066\u304f\u308c\u307e\u3059\u3002 class \u3092\u4f5c\u308b\u969b\u306b\u3001class \u3068\u66f8\u3044\u3066\u3044\u305f\u90e8\u5206\u3092 record \u3068\u66f8\u304f\u3053\u3068\u3067\u4f7f\u3048\u307e\u3059\u3002 public record Saitama { public string Value { get; } public Saitama(string value) => Value = value; } \u305f\u3060\u3001\u4e00\u756a\u306e\u4f7f\u3044\u65b9\u306f\u4e0a\u306e\u66f8\u304d\u65b9\u3067\u306f\u306a\u304f\u6b21\u306e\u3088\u3046\u306a\u66f8\u304d\u65b9\u306b\u306a\u308b\u3067\u3057\u3087\u2026","published":"2020-11-15 20:19:43","width":"100%","author_name":"rksoftware","url":"https://rksoftware.hatenablog.com/entry/2020/11/15/201943","type":"rich"}