{"id":56,"date":"2025-09-30T09:03:52","date_gmt":"2025-09-30T01:03:52","guid":{"rendered":"https:\/\/www.starpoleser.com\/?p=56"},"modified":"2025-09-30T09:03:54","modified_gmt":"2025-09-30T01:03:54","slug":"%e7%bb%93%e6%9e%84%e4%bd%93-day6","status":"publish","type":"post","link":"https:\/\/www.starpoleser.com\/?p=56","title":{"rendered":"\u7ed3\u6784\u4f53 day6"},"content":{"rendered":"\n<div class=\"wp-block-jetpack-markdown\"><h2>\u7ed3\u6784\u4f53\u89e3\u91ca<\/h2>\n<p>\u7ed3\u6784\u4f53\u5305\u542b\u591a\u4e2a\u76f8\u5173\u7684\u503c,\u4e0e\u5143\u7ec4\u76f8\u4f3c\u7684\u662f,\u5b83\u4e5f\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u4e0d\u540c\u7c7b\u578b\u7684\u503c,\u4e0e\u5143\u7ec4\u4e0d\u540c\u7684\u662f,\u7ed3\u6784\u4f53\u7684\u503c\u9700\u8981\u547d\u540d\u6765\u8ba9\u503c\u66f4\u52a0\u6e05\u6670,\u8fd9\u4e5f\u8ba9\u7ed3\u6784\u4f53\u66f4\u52a0\u7075\u6d3b,\u6211\u4eec\u4e0d\u5fc5\u50cf\u5143\u7ec4\u4e00\u6837\u4f9d\u8d56\u987a\u5e8f\u8fdb\u884c\u8bbf\u95ee\u6216\u6307\u5b9a<\/p>\n<h2>\u57fa\u7840\u5199\u6cd5<\/h2>\n<pre><code class=\"language-rust\">struct User {\n    username:String,\n    age:u8,\n    hobby:String,\n    smoking:bool,\n} \n\n<\/code><\/pre>\n<p>\u7ed3\u6784\u4f53\u9700\u8981\u8fdb\u884c\u5b9e\u4f8b\u5316\u624d\u53ef\u4ee5\u4f7f\u7528,\u5982\u679c\u5b9e\u4f8b\u65f6\u503c\u4e0e\u547d\u540d\u76f8\u540c\u53ef\u4ee5\u7701\u7565,\u5b9e\u4f8b\u5316\u9ed8\u8ba4\u4e3a\u4e0d\u53ef\u53d8<\/p>\n<pre><code class=\"language-rust\">let mut user = User{\n    username,\n    age:10,\n    hobby,\n    smoking:true,\n}\n<\/code><\/pre>\n<p>\u7ed3\u6784\u4f53\u7684\u53ef\u4ee5\u4f7f\u7528 <em>.<\/em> \u6765\u8fdb\u884c\u7d22\u5f15\u5982<\/p>\n<pre><code class=\"language-rust\">user.age = 11;\n<\/code><\/pre>\n<h2>\u7279\u6027<\/h2>\n<ul>\n<li>\u7ed3\u6784\u4f53\u66f4\u65b0\u8bed\u6cd5: \u4f7f\u7528\u73b0\u6709\u5b9e\u4f8b\u521b\u5efa\u65b0\u5b9e\u4f8b\u65f6\u53ef\u7528 *\u2026*\u8bed\u6cd5\u590d\u5236\u5269\u4f59\u5b9e\u4f8b<\/li>\n<li>\u5f53\u5b57\u6bb5\u540d\u4e0d\u91cd\u8981\u65f6\u53ef\u7528\u5143\u7ec4\u7ed3\u6784\u4f53<\/li>\n<li>\u53ef\u7528\u7c7b\u5355\u5143\u7ed3\u6784\u4f53\u6807\u8bb0\u7c7b\u578b\u800c\u4e0d\u5b58\u50a8\u6570\u636e<\/li>\n<li>\u7ed3\u6784\u4f53\u6240\u6709\u6743<\/li>\n<li>\u6253\u5370\u7ed3\u6784\u4f53\u4f7f\u7528#[derive(debug)]<\/li>\n<li>\u4f7f\u7528\u6a21\u5f0f\u5339\u914d\u89e3\u6784\u7ed3\u6784\u4f53<\/li>\n<\/ul>\n<pre><code class=\"language-rust\">\/\/\u7279\u60271\nlet user2 = User{\n    age = 11,\n    ..user\n}\n\/\/\u7279\u60272\nstruct Yuanzu=(i32,u8);\n\/\/\u7279\u60273\nstruct Danyuan;\n\/\/\u7279\u60274\n\/\/\u7ed3\u6784\u4f53\u4e2d\u53ef\u4ee5\u4f7f\u7528\u5f15\u7528\u4f46\u5fc5\u987b\u6807\u6ce8\u751f\u547d\u5468\u671f,\u7ed3\u6784\u4f53\u4e2d\u67d0\u4e00\u5b57\u6bb5\u6240\u6709\u6743\u53d1\u751f\u8f6c\u79fb\u5219\u8fd9\u4e00\u5b9e\u4f8b\u5c06\u65e0\u6cd5\u4f7f\u7528,\u4f46\u5176\u4ed6\u5b57\u6bb5\u4e0d\u53d7\u5f71\u54cd\nlet user1 = User{\n    username:String::from(&quot;\u5c0f\u660e&quot;),\n    age:18,\n    hobby=String::from(&quot;\u6253\u98de\u673a&quot;),\n    smoking:true,\n}\nlet user2 =User{\n    age:20,\n    ..user1\n}\n\/\/\u8fd9\u91ccusername\u548chobby\u6240\u6709\u6743\u8f6c\u79fb,smoking\u4e3a\u7b80\u5355\u7c7b\u578b,\u4e0d\u53d1\u751f\u6240\u6709\u6743\u8f6c\u79fb,\u6240\u4ee5\u4e4b\u540e\u8c03\u7528user1.username\u6216user1\u4f1a\u62a5\u9519,user1.age\u53ef\u6b63\u5e38\u8c03\u7528\n<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5,3],"tags":[],"class_list":["post-56","post","type-post","status-publish","format-standard","hentry","category-rust"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.starpoleser.com\/index.php?rest_route=\/wp\/v2\/posts\/56","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.starpoleser.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.starpoleser.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.starpoleser.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.starpoleser.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=56"}],"version-history":[{"count":1,"href":"https:\/\/www.starpoleser.com\/index.php?rest_route=\/wp\/v2\/posts\/56\/revisions"}],"predecessor-version":[{"id":57,"href":"https:\/\/www.starpoleser.com\/index.php?rest_route=\/wp\/v2\/posts\/56\/revisions\/57"}],"wp:attachment":[{"href":"https:\/\/www.starpoleser.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=56"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.starpoleser.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=56"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.starpoleser.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=56"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}