{"id":871,"date":"2025-10-11T17:12:10","date_gmt":"2025-10-11T09:12:10","guid":{"rendered":"https:\/\/www.chinaenow.com\/blog\/?p=871"},"modified":"2025-10-11T17:12:10","modified_gmt":"2025-10-11T09:12:10","slug":"%e4%bc%98%e7%a7%80%e7%89%b9%e6%80%a7%e6%8f%90%e5%8d%87%e4%bd%a0%e7%9a%84%e7%bc%96%e7%a8%8b%e6%95%88%e7%8e%87","status":"publish","type":"post","link":"https:\/\/www.chinaenow.com\/blog\/871.html","title":{"rendered":"\u4f18\u79c0\u7279\u6027\u63d0\u5347\u4f60\u7684\u7f16\u7a0b\u6548\u7387!"},"content":{"rendered":"<p><h3>\u63a8\u8350\u7279\u6027\u6392\u540d\u53ca\u89e3\u6790<\/h3>\n<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.chinaenow.com\/blog\/wp-content\/uploads\/2025\/10\/m0NJzB3D1P.jpg\" alt=\"\u4f18\u79c0\u7279\u6027\u63d0\u5347\u4f60\u7684\u7f16\u7a0b\u6548\u7387!\" title=\"\u4f18\u79c0\u7279\u6027\u63d0\u5347\u4f60\u7684\u7f16\u7a0b\u6548\u7387!\"><\/p>\n<p><p> traits \u662f\u7f16\u7a0b\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u4e3a\u5bf9\u8c61\u5b9a\u4e49\u4e00\u7cfb\u5217\u7684\u7279\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5728\u670d\u52a1\u5668\/VPS\/\u4e3b\u673a\/\u57df\u540d\u7b49\u9886\u57df\u4e2d\u63a8\u8350\u4f7f\u7528\u7684 traits\uff0c\u5e76\u6309\u7167\u63a8\u8350\u7a0b\u5ea6\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<p>1. <code>Auto Trait<\/code><\/p>\n<p>   Auto Trait \u662f Rust \u4e2d\u7684\u4e00\u4e2a\u7279\u6027\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u4e3a\u6570\u636e\u7ed3\u6784\u63d0\u4f9b\u591a\u79cd\u65b9\u6cd5\u3002\u8fd9\u5bf9\u4e8e\u7b80\u5316\u4ee3\u7801\u548c\u7ef4\u62a4\u6765\u8bf4\u662f\u5341\u5206\u6709\u7528\u7684\u3002\u4f7f\u7528 Auto Trait\uff0c\u4f60\u53ef\u4ee5\u5728\u4e0d\u9700\u8981\u663e\u5f0f\u5b9e\u73b0\u7684\u60c5\u51b5\u4e0b\uff0c\u81ea\u52a8\u4e3a\u6570\u636e\u7ed3\u6784\u6dfb\u52a0\u8bf8\u5982 <code>Display<\/code>\u3001<code>PartialEq<\/code> \u7b49\u65b9\u6cd5\u3002<\/p>\n<p>2. <code>Debug Trait<\/code><\/p>\n<p>   Debug Trait \u662f\u7528\u4e8e\u5b9e\u73b0\u6570\u636e\u7ed3\u6784\u8c03\u8bd5\u529f\u80fd\u7684\u7279\u6027\u3002\u5b83\u5141\u8bb8\u4f60\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u5feb\u901f\u68c0\u67e5\u6570\u636e\u7ed3\u6784\u7684\u72b6\u6001\u3002\u901a\u8fc7\u6dfb\u52a0 Debug Trait\uff0c\u4f60\u53ef\u4ee5\u4e3a\u4f60\u7684\u6570\u636e\u7ed3\u6784\u63d0\u4f9b\u4e00\u4e2a\u7b80\u5355\u7684\u8c03\u8bd5\u8f93\u51fa\uff0c\u800c\u4e0d\u9700\u8981\u624b\u52a8\u5b9e\u73b0 debug \u65b9\u6cd5\u3002<\/p>\n<p>3. <code>Clone Trait<\/code><\/p>\n<p>   Clone Trait \u5141\u8bb8\u4f60\u521b\u5efa\u6570\u636e\u7ed3\u6784\u7684\u526f\u672c\u3002\u8fd9\u5728\u5904\u7406\u6570\u636e\u590d\u5236\u3001\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7b49\u65b9\u9762\u975e\u5e38\u6709\u7528\u3002\u4f7f\u7528 Clone Trait\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u6570\u636e\u7ed3\u6784\u590d\u5236\u5230\u5176\u4ed6\u5730\u65b9\uff0c\u540c\u65f6\u4fdd\u6301\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p>4. <code>Send Trait<\/code><\/p>\n<p>   Send Trait \u8868\u793a\u6570\u636e\u7ed3\u6784\u53ef\u4ee5\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u5730\u53d1\u9001\u3002\u8fd9\u5bf9\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\u548c\u5e76\u53d1\u7a0b\u5e8f\u6765\u8bf4\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u4f7f\u7528 Send Trait\uff0c\u4f60\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7ed3\u6784\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4e0d\u4f1a\u5f15\u53d1\u6570\u636e\u7ade\u4e89\u6216\u5176\u4ed6\u5e76\u53d1\u95ee\u9898\u3002<\/p>\n<p>5. <code>Sync Trait<\/code><\/p>\n<p>   Sync Trait \u8868\u793a\u6570\u636e\u7ed3\u6784\u53ef\u4ee5\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u5730\u5171\u4eab\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u591a\u4e2a\u7ebf\u7a0b\u8bbf\u95ee\u76f8\u540c\u6570\u636e\u7684\u573a\u666f\u975e\u5e38\u6709\u7528\u3002\u4f7f\u7528 Sync Trait\uff0c\u4f60\u53ef\u4ee5\u786e\u4fdd\u591a\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u540c\u65f6\u8bbf\u95ee\u6570\u636e\u7ed3\u6784\uff0c\u800c\u4e0d\u4f1a\u5f15\u53d1\u540c\u6b65\u95ee\u9898\u3002<\/p>\n<p><h3>\u7279\u6027\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n<p><p>\u4e0b\u9762\u5c06\u5206\u522b\u4ecb\u7ecd\u4e0a\u8ff0 traits \u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n<p>1. <code>Auto Trait<\/code><\/p>\n<p>   \u5f53\u4f60\u521b\u5efa\u4e00\u4e2a\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u65f6\uff0c\u4f7f\u7528 Auto Trait \u53ef\u4ee5\u81ea\u52a8\u4e3a\u4f60\u63d0\u4f9b\u4e00\u7cfb\u5217\u65b9\u6cd5\uff0c\u5982 <code>Display<\/code>\u3001<code>PartialEq<\/code> \u7b49\u3002\u8fd9\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5feb\u901f\u6784\u5efa\u53ef\u8c03\u8bd5\u7684\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<p>2. <code>Debug Trait<\/code><\/p>\n<p>   \u5728\u8c03\u8bd5\u9636\u6bb5\uff0c\u6dfb\u52a0 Debug Trait \u53ef\u4ee5\u8ba9\u4f60\u5feb\u901f\u67e5\u770b\u6570\u636e\u7ed3\u6784\u7684\u72b6\u6001\uff0c\u8fd9\u5bf9\u4e8e\u53d1\u73b0\u548c\u4fee\u590d\u9519\u8bef\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n<p>3. <code>Clone Trait<\/code><\/p>\n<p>   \u5728\u5904\u7406\u6570\u636e\u590d\u5236\u3001\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u65f6\uff0cClone Trait \u53ef\u4ee5\u7b80\u5316\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u5f53\u4f60\u5728\u5904\u7406 JSON \u6570\u636e\u65f6\uff0c\u4f7f\u7528 Clone Trait \u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u6570\u636e\u7ed3\u6784\u8f6c\u6362\u4e3a JSON \u683c\u5f0f\u3002<\/p>\n<p>4. <code>Send Trait<\/code><\/p>\n<p>   \u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u548c\u5e76\u53d1\u7a0b\u5e8f\u4e2d\uff0c\u4f7f\u7528 Send Trait \u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7ed3\u6784\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u5730\u53d1\u9001\u3002<\/p>\n<p>5. <code>Sync Trait<\/code><\/p>\n<p>   \u5f53\u4f60\u9700\u8981\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bbf\u95ee\u76f8\u540c\u6570\u636e\u65f6\uff0c\u4f7f\u7528 Sync Trait \u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7ed3\u6784\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u5730\u5171\u4eab\u3002<\/p>\n<p><h3>\u95ee\u7b54\u73af\u8282<\/h3>\n<\/p>\n<p><p><b>\u95ee\uff1a<\/b>Auto Trait \u4e0e Debug Trait \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/p>\n<p><p><b>\u7b54\uff1a<\/b>Auto Trait \u548c Debug Trait \u90fd\u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\u5f00\u53d1\u3002Auto Trait \u53ef\u4ee5\u81ea\u52a8\u4e3a\u6570\u636e\u7ed3\u6784\u63d0\u4f9b\u591a\u79cd\u65b9\u6cd5\uff0c\u5982 <code>Display<\/code>\u3001<code>PartialEq<\/code> \u7b49\uff0c\u800c Debug Trait \u5219\u4e3b\u8981\u7528\u4e8e\u8c03\u8bd5\u9636\u6bb5\uff0c\u4e3a\u6570\u636e\u7ed3\u6784\u63d0\u4f9b\u7b80\u5355\u7684\u8c03\u8bd5\u8f93\u51fa\u3002<\/p>\n<p><p><b>\u95ee\uff1a<\/b>\u4e3a\u4ec0\u4e48\u9700\u8981 Send Trait \u548c Sync Trait\uff1f<\/p>\n<p><p><b>\u7b54\uff1a<\/b>Send Trait \u548c Sync Trait \u5206\u522b\u7528\u4e8e\u786e\u4fdd\u6570\u636e\u7ed3\u6784\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5b89\u5168\u5730\u53d1\u9001\u548c\u5171\u4eab\u3002\u5728\u5e76\u53d1\u7a0b\u5e8f\u548c\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u4e9b\u7279\u6027\u5bf9\u4e8e\u9632\u6b62\u6570\u636e\u7ade\u4e89\u548c\u5176\u4ed6\u5e76\u53d1\u95ee\u9898\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><p><b>\u95ee\uff1a<\/b>\u5982\u4f55\u5728 Rust \u4e2d\u4f7f\u7528\u8fd9\u4e9b traits\uff1f<\/p>\n<p><p><b>\u7b54\uff1a<\/b>\u5728 Rust \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u4e3a\u6570\u636e\u7ed3\u6784\u6dfb\u52a0\u8fd9\u4e9b traits\uff1a<\/p>\n<p><pre><code>struct DataStructure {<\/p>\r\n<p>    field: i32,<\/p>\r\n<p>}<\/p>\r\n\r\n<p>impl DataStructure {<\/p>\r\n<p>    fn new(field: i32) -> Self {<\/p>\r\n<p>        DataStructure { field }<\/p>\r\n<p>    }<\/p>\r\n<p>}<\/p>\r\n\r\n<p>impl std::fmt::Display for DataStructure {<\/p>\r\n<p>    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {<\/p>\r\n<p>        write!(f, \"{}\", self.field)<\/p>\r\n<p>    }<\/p>\r\n<p>}<\/p>\r\n\r\n<p>impl std::clone::Clone for DataStructure {<\/p>\r\n<p>    fn clone(&self) -> &Self {<\/p>\r\n<p>        self<\/p>\r\n<p>    }<\/p>\r\n<p>}<\/p>\r\n\r\n<p>impl std::marker::Send for DataStructure {}<\/p>\r\n<p>impl std::marker::Sync for DataStructure {}<\/p>\r\n<p><\/code><\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a8\u8350\u7279\u6027\u6392\u540d\u53ca\u89e3\u6790 traits \u662f\u7f16\u7a0b\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u4e3a\u5bf9\u8c61\u5b9a\u4e49\u4e00\u7cfb\u5217\u7684\u7279\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5728\u670d\u52a1\u5668\/VPS\/\u4e3b\u673a\/\u57df\u540d\u7b49\u9886\u57df\u4e2d\u63a8\u8350\u4f7f\u7528\u7684 traits\uff0c\u5e76\u6309\u7167\u63a8\u8350\u7a0b\u5ea6\u8fdb\u884c\u6392\u5e8f\uff1a 1. Auto Trait Auto Trait &#8230;<\/p>\n","protected":false},"author":2,"featured_media":872,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[132,130,131],"topic":[],"class_list":["post-871","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hw","tag-auto","tag-trait","tag-131"],"_links":{"self":[{"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/posts\/871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/comments?post=871"}],"version-history":[{"count":1,"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/posts\/871\/revisions"}],"predecessor-version":[{"id":874,"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/posts\/871\/revisions\/874"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/media\/872"}],"wp:attachment":[{"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/media?parent=871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/categories?post=871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/tags?post=871"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.chinaenow.com\/blog\/wp-json\/wp\/v2\/topic?post=871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}