{"id":307,"date":"2021-04-18T20:39:01","date_gmt":"2021-04-18T11:39:01","guid":{"rendered":"https:\/\/lumiria.com\/develop\/?p=307"},"modified":"2023-06-05T21:34:46","modified_gmt":"2023-06-05T12:34:46","slug":"deepcopy-polymorphism","status":"publish","type":"post","link":"https:\/\/lumiria.com\/develop\/deepcopy-polymorphism","title":{"rendered":"DeepCopy.Expression &#8211; \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3084\u57fa\u5e95\u30af\u30e9\u30b9\u3092\u6301\u3064\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u8907\u88fd\u3059\u308b"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<ul>\n<li>2023\/06\/05\u3000\u5185\u5bb9\u3092\u4fee\u6b63<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<p>DeepCopy.Expression \u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3084\u57fa\u5e95\u30af\u30e9\u30b9\u306e\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3084\u57fa\u5e95\u30af\u30e9\u30b9\u3068\u306f\u3001\u62bd\u8c61\u7684\u306a\u6982\u5ff5\u3084\u5171\u901a\u306e\u6a5f\u80fd\u3092\u5b9a\u7fa9\u3057\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u67d4\u8edf\u3067\u518d\u5229\u7528\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3044\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br>\u3057\u304b\u3057\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u3063\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u3059\u308b\u5834\u5408\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3068\u30c7\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3092\u4f7f\u3046\u65b9\u6cd5\u3067\u306f\u3001\u5177\u4f53\u7684\u306a\u30af\u30e9\u30b9\u306e\u60c5\u5831\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>DeepCopy.Expression \u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u306f\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3084\u57fa\u5e95\u30af\u30e9\u30b9\u306e\u578b\u5909\u6570\u306b\u4ee3\u5165\u3055\u308c\u3066\u3044\u308b\u5177\u4f53\u7684\u306a\u30af\u30e9\u30b9\u306e\u578b\u60c5\u5831\u3082\u4fdd\u6301\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3084\u57fa\u5e95\u30af\u30e9\u30b9\u306e\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u3067\u3082\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u304c\u4fdd\u305f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3067\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u5bfe\u8c61\u306e<strong>\u30af\u30e9\u30b9<\/strong><\/span><\/h2>\n\n\n\n<p>\u691c\u8a3c\u7528\u306b\u4ee5\u4e0b\u306e\u30af\u30e9\u30b9\u3092\u7528\u610f\u3057\u307e\u3057\u305f\u3002TestData \u30af\u30e9\u30b9\u304c\u8907\u88fd\u5bfe\u8c61\u3068\u306a\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code language-csharp\"><code>public sealed class TestData\n{\n    public IList<shape> Shapes { get; } =\n        new List<shape>();\n}\npublic abstract class Shape\n{\n    public string? Name { get; set; }\n    public virtual double Area { get; }\n}\npublic sealed class Circle : Shape\n{\n    public double Radius { get; set; }\n    public override double Area =&gt;\n        Radius * Radius * Math.PI;\n}\npublic sealed class Rectangle : Shape\n{\n    public double Width { get; set; }\n    public double Height { get; set; }\n    public override double Area =&gt;\n        Width * Height;\n}<\/shape><\/shape><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code language-csharp\"><code>var data = new TestData();\ndata.Shapes.Add(new Circle { Name = \"Circle1\", Radius = 10 });\ndata.Shapes.Add(new Rectangle { Name = \"Rectangle1\", Width = 5, Height = 4 });\nConsole.WriteLine(\"[Source]\");\nforeach (var shape in data.Shapes)\n{\n    Console.WriteLine($\"  {shape.Name} => Area: {shape.Area}\");\n}\nvar cloned = ObjectCloner.Clone(data);\nConsole.WriteLine(\"[Cloned]\");\nforeach (var shape in cloned.Shapes)\n{\n    Console.WriteLine($\"  {shape.Name} => Area: {shape.Area}\");\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">[Source]\n   Circle1 =&gt; Area: 314.1592653589793\n   Rectangle1 =&gt; Area: 20\n[Cloned]\n   Circle1 =&gt; Area: 314.1592653589793\n   Rectangle1 =&gt; Area: 20<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u307e\u3068\u3081<\/span><\/h2>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001DeepCopy.Expression \u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3084\u57fa\u5e95\u30af\u30e9\u30b9\u306e\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u60c5\u5831\u3092\u4fdd\u6301\u3057\u306a\u304c\u3089\u3001\u9ad8\u901f\u304b\u3064\u5b89\u5168\u306b\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DeepCopy.Expression \u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3084\u57fa\u5e95\u30af\u30e9\u30b9\u306e\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3084\u57fa\u5e95\u30af\u30e9\u30b9\u3068\u306f\u3001\u62bd\u8c61\u7684\u306a\u6982\u5ff5\u3084\u5171\u901a\u306e\u6a5f\u80fd\u3092\u5b9a\u7fa9\u3057\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u3046&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[8],"tags":[11],"jetpack_publicize_connections":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paPnUb-4X","_links":{"self":[{"href":"https:\/\/lumiria.com\/develop\/wp-json\/wp\/v2\/posts\/307"}],"collection":[{"href":"https:\/\/lumiria.com\/develop\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lumiria.com\/develop\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lumiria.com\/develop\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lumiria.com\/develop\/wp-json\/wp\/v2\/comments?post=307"}],"version-history":[{"count":18,"href":"https:\/\/lumiria.com\/develop\/wp-json\/wp\/v2\/posts\/307\/revisions"}],"predecessor-version":[{"id":431,"href":"https:\/\/lumiria.com\/develop\/wp-json\/wp\/v2\/posts\/307\/revisions\/431"}],"wp:attachment":[{"href":"https:\/\/lumiria.com\/develop\/wp-json\/wp\/v2\/media?parent=307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lumiria.com\/develop\/wp-json\/wp\/v2\/categories?post=307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lumiria.com\/develop\/wp-json\/wp\/v2\/tags?post=307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}