{"id":2563,"date":"2020-11-11T17:58:12","date_gmt":"2020-11-11T08:58:12","guid":{"rendered":"https:\/\/took.jp\/?p=2563"},"modified":"2020-11-11T17:58:12","modified_gmt":"2020-11-11T08:58:12","slug":"unity-null%e3%81%aa%e3%81%ae%e3%81%abnull%e5%88%a4%e5%ae%9a%e3%81%ab%e5%bc%95%e3%81%a3%e3%81%8b%e3%81%8b%e3%82%89%e3%81%aa%e3%81%8f%e3%81%a6%e8%ba%93%e3%81%84%e3%81%9f","status":"publish","type":"post","link":"https:\/\/took.jp\/tech-blog\/unity-null%e3%81%aa%e3%81%ae%e3%81%abnull%e5%88%a4%e5%ae%9a%e3%81%ab%e5%bc%95%e3%81%a3%e3%81%8b%e3%81%8b%e3%82%89%e3%81%aa%e3%81%8f%e3%81%a6%e8%ba%93%e3%81%84%e3%81%9f\/","title":{"rendered":"Unity null\u306a\u306e\u306bnull\u5224\u5b9a\u306b\u5f15\u3063\u304b\u304b\u3089\u306a\u304f\u3066\u8e93\u3044\u305f"},"content":{"rendered":"<h2>Unity null\u306a\u306e\u306bnull\u5224\u5b9a\u306b\u5f15\u3063\u304b\u304b\u3089\u306a\u304f\u3066\u8e93\u3044\u305f<\/h2>\n<h3>\u79c1\u304c\u3084\u308a\u305f\u304b\u3063\u305f\u3053\u3068<\/h3>\n<p>inspector\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f\u753b\u50cf\u30ea\u30b9\u30c8\u304b\u3089\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3002<\/p>\n<p>\u3082\u3057\u3001\u30ea\u30b9\u30c8\u5185\u306b\u672a\u8a2d\u5b9a\u9805\u76ee\uff08null\uff09\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u306f\u3001\u305d\u308c\u3092\u9664\u5916\u3057\u305f\u914d\u5217\u3092\u518d\u751f\u6210\u3057\u3001\u95a2\u6570\u306b\u5f15\u304d\u6e21\u3059\u3088\u3046\u306b\u3059\u308b\u3068\u3044\u3046\u6d41\u308c\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/took.jp\/wp-content\/uploads\/2020\/11\/f8e36e6b45da4ab36f37cc4c9ab40c39.png\"><img decoding=\"async\" src=\"https:\/\/took.jp\/wp-content\/uploads\/2020\/11\/f8e36e6b45da4ab36f37cc4c9ab40c39.png\" alt=\"\" width=\"958\" height=\"358\" class=\"alignnone size-full wp-image-2564\" srcset=\"https:\/\/took.jp\/tech-blog\/wp-content\/uploads\/2020\/11\/f8e36e6b45da4ab36f37cc4c9ab40c39.png 958w, https:\/\/took.jp\/tech-blog\/wp-content\/uploads\/2020\/11\/f8e36e6b45da4ab36f37cc4c9ab40c39-300x112.png 300w, https:\/\/took.jp\/tech-blog\/wp-content\/uploads\/2020\/11\/f8e36e6b45da4ab36f37cc4c9ab40c39-768x287.png 768w\" sizes=\"(max-width: 958px) 100vw, 958px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>null\u3092\u9664\u5916\u3057\u305f\u914d\u5217\u3092\u518d\u751f\u6210\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3082\u307e\u3068\u3081\u305f\u3088\u3046\u306a\u65b9\u6cd5\u3092\u3068\u308a\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"sc_getpost\"><a class=\"clearfix\" href=\"https:\/\/took.jp\/tech-blog\/unity%e3%81%a7%e3%81%af%e5%8b%95%e4%bd%9c%e3%81%97%e3%81%a6%e3%81%84%e3%81%9f%e3%81%ae%e3%81%ab%e5%ae%9f%e6%a9%9f%e3%81%a7%e5%8b%95%e4%bd%9c%e3%81%97%e3%81%aa%e3%81%8f%e3%81%aa%e3%81%a3%e3%81%9f\/\" ><div class=\"sc_getpost_thumb post-box-thumbnail__wrap\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODdhAQABAPAAAN3d3QAAACwAAAAAAQABAAACAkQBADs=\" width=\"100\" height=\"100\" alt=\"Unity\u3067\u306f\u52d5\u4f5c\u3057\u3066\u3044\u305f\u306e\u306b\u5b9f\u6a5f\u3067\u52d5\u4f5c\u3057\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306b\u3001\u78ba\u8a8d\u3059\u3079\u304d\u7b87\u6240\" loading=\"lazy\" data-src=\"https:\/\/took.jp\/tech-blog\/wp-content\/uploads\/2020\/11\/E-21-150x150.jpg\" class=\"lazyload\"><\/div><div class=\"title\">Unity\u3067\u306f\u52d5\u4f5c\u3057\u3066\u3044\u305f\u306e\u306b\u5b9f\u6a5f\u3067\u52d5\u4f5c\u3057\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306b\u3001\u78ba\u8a8d\u3059\u3079\u304d\u7b87\u6240<\/div><div class=\"date\">2020.11.11<\/div><div class=\"substr\">Unity\u3067\u306f\u52d5\u4f5c\u3057\u3066\u3044\u305f\u306e\u306b\u5b9f\u6a5f\u3067\u52d5\u4f5c\u3057\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306b\u3001\u78ba\u8a8d\u3059\u3079\u304d\u7b87\u6240 unity\u3067\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3057\u3066\u3044\u305f\u30b2\u30fc\u30e0\u3092\u30d3\u30eb\u30c9\u3057\u3001\u5b9f\u6a5f\u3067\u30c6\u30b9\u30c8\u3092\u884c\u306a\u3063\u305f\u5834\u5408\u306b\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002 \u305d\u306e\u969b\u306e\u539f\u56e0\u3068\u306a\u3063\u305f\u7b87\u6240\u3001\u5bfe\u51e6\u6cd5\u3092\u30e1\u30e2\u3002  \u539f\u56e0\u306f\u3001foreach\u3067\u56de\u3059\u5024\u306bnull\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3057\u305f\u3002 ...<\/div><\/a><\/div>\n<p>&nbsp;<\/p>\n<p>\u3057\u304b\u3057\u306a\u304c\u3089\u3001null\u306e\u5224\u5b9a\u304c\u884c\u3048\u305a\u3001\u9664\u5916\u3067\u304d\u305a\u306b\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u3067\u3059\u3002<\/p>\n<p>\b<\/p>\n<pre class=\"line-numbers\"><code class=\"language-other\">public Sprite[] images = new Sprite[5];<\/code><\/pre>\n<pre class=\"line-numbers\"><code class=\"language-other\">foreach(var image in images ?? Enumerable.Empty&lt;Sprite&gt;()){\r\n    if(image != null){\r\n        Debug.Log(image);\r\n    }\r\n}<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u3053\u306e\u5834\u5408\u3001images\u914d\u5217\u5909\u6570\u306b\u30bb\u30c3\u30c8\u3055\u308c\u305f\u753b\u50cf\u540d\u3060\u3051\u304c\u51fa\u529b\u3055\u308c\u3001null\u306f\u51fa\u529b\u3055\u308c\u306a\u3044\u306f\u305a\u3067\u3057\u305f\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001null\u3068\u3044\u3046\u6587\u5b57\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4eca\u306e\u79c1\u306e\u5fc3\u5883\u306f\u3001\u307e\u308b\u3067\u30e1\u30a4\u3061\u3083\u3093\u3067\u3059\u3002<\/p>\n<div class=\"voice clearfix left n_bottom\">\n<div class=\"icon\"><img decoding=\"async\" data-src=\"https:\/\/took.jp\/wp-content\/uploads\/2020\/11\/fe6dfc96b0cdbb015affd381e75f00ed.png\" class=\"lazyload\" \/><\/p>\n<div class=\"name\"><\/div>\n<\/div>\n<div class=\"text sc_balloon left white\">null\u3060\u3051\u3069\u3001null\u3058\u3083\u306a\u304b\u3063\u305f!!<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\u5224\u5b9a\u90e8\u5206\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6587\u5b57\u5217\u306b\u3059\u308c\u3070\u3001\u5224\u5b9a\u3092\u884c\u3048\u307e\u3059\u304c\u3001\u5c11\u3057\u30d6\u30b5\u30a4\u30af\u3067\u3059\u306d...\u3002<\/p>\n<pre class=\"line-numbers\"><code class=\"language-other\">if(image.ToString() != \"null\"){<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h3>\u89e3\u6c7a\u6cd5<\/h3>\n<p>\u3053\u3061\u3089\u306e\u8a18\u4e8b\u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" title=\"Unity\u306e\u507d\u88c5null\u306e\u8a71 - Nobollel\u958b\u767a\u8005\u30d6\u30ed\u30b0\" src=\"https:\/\/hatenablog-parts.com\/embed?url=http%3A%2F%2Fnobollel-tech.hatenablog.com%2Fentry%2Funity-fake-null#?secret=TyqZVqlxik\" data-secret=\"TyqZVqlxik\" scrolling=\"no\" frameborder=\"0\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0a\u8a18\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u305f\u95a2\u6570\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u5f15\u6570\u90e8\u5206\u306f\u5c11\u3057\u5909\u66f4\u3092\u52a0\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"line-numbers\"><code class=\"language-other\">public static bool IsNull&lt;T&gt;(this T obj) where T : class {\r\n    var unityObj = obj as UnityEngine.Object;\r\n    if (!object.ReferenceEquals(unityObj, null)) {\r\n        return unityObj == null;\r\n    } else {\r\n        return obj == null;\r\n    }\r\n}<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u307e\u305f\u3001\u5225\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u3066\u3044\u305fnull\u3092\u9664\u5916\u3057\u305f\u914d\u5217\u3092\u518d\u751f\u6210\u3059\u308b\u95a2\u6570\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u3001\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"line-numbers\"><code class=\"language-other\">public static IEnumerable&lt;T&gt; WhereNotNull&lt;T&gt;(this IEnumerable&lt;T&gt; source)\r\nwhere T : class \r\n{\r\n    if (source == null) \r\n    { \r\n        return Enumerable.Empty&lt;T&gt;(); \r\n    } \r\n    return source.Where(x =&gt; !x.IsNull());\r\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Unity null\u306a\u306e\u306bnull\u5224\u5b9a\u306b\u5f15\u3063\u304b\u304b\u3089\u306a\u304f\u3066\u8e93\u3044\u305f \u79c1\u304c\u3084\u308a\u305f\u304b\u3063\u305f\u3053\u3068 inspector\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f\u753b\u50cf\u30ea\u30b9\u30c8\u304b\u3089\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3002 \u3082\u3057\u3001\u30ea\u30b9\u30c8\u5185\u306b\u672a\u8a2d\u5b9a\u9805\u76ee\uff08null\uff09\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u306f\u3001\u305d\u308c\u3092\u9664\u5916\u3057\u305f\u914d\u5217\u3092\u518d\u751f\u6210\u3057\u2026<\/p>\n","protected":false},"author":3,"featured_media":2565,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-2563","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unity"],"_links":{"self":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/posts\/2563","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/comments?post=2563"}],"version-history":[{"count":0,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/posts\/2563\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/media\/2565"}],"wp:attachment":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/media?parent=2563"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/categories?post=2563"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/tags?post=2563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}