{"id":206450,"date":"2025-06-12T14:11:21","date_gmt":"2025-06-12T06:11:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206450\/"},"modified":"2025-06-12T14:11:21","modified_gmt":"2025-06-12T06:11:21","slug":"go-%e5%92%8c-rust-%e5%88%87%e7%89%87%e9%95%bf%e5%ba%a6%e7%b1%bb%e5%9e%8b%e4%b8%ba%e4%bd%95%e4%b8%8d%e5%90%8c%ef%bc%9aint-%e4%b8%8e-usize-%e7%9a%84%e9%80%89%e6%8b%a9%e4%b9%8b%e4%ba%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206450\/","title":{"rendered":"Go \u548c Rust \u5207\u7247\u957f\u5ea6\u7c7b\u578b\u4e3a\u4f55\u4e0d\u540c\uff1aint \u4e0e usize \u7684\u9009\u62e9\u4e4b\u4e89"},"content":{"rendered":"<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u548c Rust \u5207\u7247\u957f\u5ea6\u7c7b\u578b\u4e3a\u4f55\u4e0d\u540c\uff1aint \u4e0e usize \u7684\u9009\u62e9\u4e4b\u4e89\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241112\/17313854886732d89071ac8.jpg\" class=\"aligncenter\">,<br \/>\n<strong>Go \u548c Rust \u4e2d\u5207\u7247\u957f\u5ea6\u7c7b\u578b\u7684\u5bf9\u6bd4\uff1aint vs. usize<\/strong>,\u5728 Go \u8bed\u8a00\u4e2d\uff0c\u5207\u7247\u957f\u5ea6\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u4e3a int\uff0c\u800c Rust \u8bed\u8a00\u4e2d\u5219\u4e3a usize\u3002\u8fd9\u4e24\u79cd\u8bed\u8a00\u505a\u51fa\u4e0d\u540c\u9009\u62e9\uff0c\u90fd\u6709\u5404\u81ea\u7684\u8003\u8651\u548c\u4f18\u52a3\u3002,<br \/>\n<strong>\u4e3a\u4ec0\u4e48 Go \u4f7f\u7528 int<\/strong>,<br \/>\n<strong>\u4e3a\u4ec0\u4e48 Rust \u4f7f\u7528 usize<\/strong>,<br \/>\n<strong>\u4e24\u79cd\u65b9\u6848\u7684\u4f18\u52a3<\/strong>,<br \/>\n<strong>\u5f00\u53d1\u8005\u503e\u5411<\/strong>,\u6700\u7ec8\uff0c\u4f5c\u4e3a\u5f00\u53d1\u8005\u9009\u62e9\u54ea\u79cd\u65b9\u6848\u53d6\u51b3\u4e8e\u9879\u76ee\u7684\u5177\u4f53\u8981\u6c42\u548c\u4e2a\u4eba\u504f\u597d\u3002\u5982\u679c\u9879\u76ee\u5bf9\u5207\u7247\u957f\u5ea6\u7684\u8303\u56f4\u6ca1\u6709\u7279\u6b8a\u8981\u6c42\uff0c\u5219 int \u53ef\u4ee5\u4f5c\u4e3a\u7b80\u5355\u6613\u7528\u7684\u9009\u9879\u3002\u5982\u679c\u9700\u8981\u786e\u4fdd\u5207\u7247\u957f\u5ea6\u6c38\u8fdc\u975e\u8d1f\u4e14\u5904\u7406\u5927\u503c\uff0c\u5219 usize \u662f\u66f4\u5408\u9002\u7684\u7c7b\u578b\u3002,\u4eca\u5929\u5173\u4e8e\u300aGo \u548c Rust \u5207\u7247\u957f\u5ea6\u7c7b\u578b\u4e3a\u4f55\u4e0d\u540c\uff1aint \u4e0e usize \u7684\u9009\u62e9\u4e4b\u4e89\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728GOLANG\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01,\u5bf9\u4e8e\u5207\u7247\u957f\u5ea6\uff0cRust \u8ba4\u4e3a\u4f7f\u7528\u65e0\u7b26\u53f7\u7c7b\u578b\u66f4\u5408\u7406\uff0c\u56e0\u4e3a\u5b83\u786e\u4fdd\u4e86\u5207\u7247\u957f\u5ea6\u6c38\u8fdc\u975e\u8d1f\u3002,Rust \u8bed\u8a00\u62e5\u6709\u4e13\u95e8\u7684\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b usize\u3002usize \u662f\u5177\u4f53\u5e73\u53f0\u7684\u7279\u5b9a\u5927\u5c0f\uff0c\u4f8b\u5982 32 \u4f4d\u5e73\u53f0\u4e0a\u4e3a u32\uff0c64 \u4f4d\u5e73\u53f0\u4e0a\u4e3a u64\u3002,\u5bf9\u4e8e\u5207\u7247\u957f\u5ea6\uff0cGo \u8ba4\u4e3a\u4e0d\u9700\u8981\u533a\u5206\u5e26\u7b26\u53f7\u548c\u65e0\u7b26\u53f7\uff0c\u56e0\u4e3a\u5207\u7247\u957f\u5ea6\u6c38\u8fdc\u975e\u8d1f\u3002,Go \u8bed\u8a00\u4e2d\u6ca1\u6709\u4e13\u95e8\u7684\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b\u3002int \u65e2\u53ef\u4ee5\u8868\u793a\u5e26\u7b26\u53f7\u6574\u6570\uff0c\u4e5f\u53ef\u4ee5\u8868\u793a\u65e0\u7b26\u53f7\u6574\u6570\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u4e0a\u4e0b\u6587\u7684\u9700\u8981\u3002,Go \u548c Rust \u4e2d\u5207\u7247\u957f\u5ea6\u7c7b\u578b\u7684\u5bf9\u6bd4\uff1aint vs. usize,\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u548c Rust \u5207\u7247\u957f\u5ea6\u7c7b\u578b\u4e3a\u4f55\u4e0d\u540c\uff1aint \u4e0e usize \u7684\u9009\u62e9\u4e4b\u4e89\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Go \u548c Rust \u5207\u7247\u957f\u5ea6\u7c7b\u578b\u4e3a\u4f55\u4e0d\u540c\uff1aint \u4e0e usize \u7684\u9009\u62e9\u4e4b\u4e89<\/span><\/p>\n<h1>Go \u548c Rust \u5207\u7247\u957f\u5ea6\u7c7b\u578b\u4e3a\u4f55\u4e0d\u540c\uff1aint \u4e0e usize \u7684\u9009\u62e9\u4e4b\u4e89<\/h1>\n<p><span>2024-11-12 12:25:04<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u548c Rust \u5207\u7247\u957f\u5ea6\u7c7b\u578b\u4e3a\u4f55\u4e0d\u540c\uff1aint \u4e0e usize \u7684\u9009\u62e9\u4e4b\u4e89\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241112\/17313854886732d89071ac8.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Go \u548c Rust \u4e2d\u5207\u7247\u957f\u5ea6\u7c7b\u578b\u7684\u5bf9\u6bd4\uff1aint vs. usize<\/strong><\/p>\n<p>\u5728 Go \u8bed\u8a00\u4e2d\uff0c\u5207\u7247\u957f\u5ea6\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u4e3a int\uff0c\u800c Rust \u8bed\u8a00\u4e2d\u5219\u4e3a usize\u3002\u8fd9\u4e24\u79cd\u8bed\u8a00\u505a\u51fa\u4e0d\u540c\u9009\u62e9\uff0c\u90fd\u6709\u5404\u81ea\u7684\u8003\u8651\u548c\u4f18\u52a3\u3002<\/p>\n<p><strong>\u4e3a\u4ec0\u4e48 Go \u4f7f\u7528 int<\/strong><\/p>\n<ul>\n<li>Go \u8bed\u8a00\u4e2d\u6ca1\u6709\u4e13\u95e8\u7684\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b\u3002int \u65e2\u53ef\u4ee5\u8868\u793a\u5e26\u7b26\u53f7\u6574\u6570\uff0c\u4e5f\u53ef\u4ee5\u8868\u793a\u65e0\u7b26\u53f7\u6574\u6570\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u4e0a\u4e0b\u6587\u7684\u9700\u8981\u3002<\/li>\n<li>\u5bf9\u4e8e\u5207\u7247\u957f\u5ea6\uff0cGo \u8ba4\u4e3a\u4e0d\u9700\u8981\u533a\u5206\u5e26\u7b26\u53f7\u548c\u65e0\u7b26\u53f7\uff0c\u56e0\u4e3a\u5207\u7247\u957f\u5ea6\u6c38\u8fdc\u975e\u8d1f\u3002<\/li>\n<\/ul>\n<p><strong>\u4e3a\u4ec0\u4e48 Rust \u4f7f\u7528 usize<\/strong><\/p>\n<ul>\n<li>Rust \u8bed\u8a00\u62e5\u6709\u4e13\u95e8\u7684\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b usize\u3002usize \u662f\u5177\u4f53\u5e73\u53f0\u7684\u7279\u5b9a\u5927\u5c0f\uff0c\u4f8b\u5982 32 \u4f4d\u5e73\u53f0\u4e0a\u4e3a u32\uff0c64 \u4f4d\u5e73\u53f0\u4e0a\u4e3a u64\u3002<\/li>\n<li>\u5bf9\u4e8e\u5207\u7247\u957f\u5ea6\uff0cRust \u8ba4\u4e3a\u4f7f\u7528\u65e0\u7b26\u53f7\u7c7b\u578b\u66f4\u5408\u7406\uff0c\u56e0\u4e3a\u5b83\u786e\u4fdd\u4e86\u5207\u7247\u957f\u5ea6\u6c38\u8fdc\u975e\u8d1f\u3002<\/li>\n<\/ul>\n<p><strong>\u4e24\u79cd\u65b9\u6848\u7684\u4f18\u52a3<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4f18\u52bf\uff1a<\/strong><\/p>\n<ul>\n<li>int \u53ef\u4ee5\u540c\u65f6\u8868\u793a\u5e26\u7b26\u53f7\u548c\u65e0\u7b26\u53f7\u6574\u6570\uff0c\u7b80\u5316\u4e86\u4ee3\u7801\u3002<\/li>\n<li>usize \u786e\u4fdd\u4e86\u5207\u7247\u957f\u5ea6\u6c38\u8fdc\u975e\u8d1f\uff0c\u51cf\u5c11\u4e86\u51fa\u73b0\u6ea2\u51fa\u7684\u53ef\u80fd\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u52a3\u52bf\uff1a<\/strong><\/p>\n<ul>\n<li>int \u5728\u8868\u793a\u5927\u503c\u65f6\u5bb9\u6613\u6ea2\u51fa\u3002<\/li>\n<li>usize \u7684\u5177\u4f53\u5927\u5c0f\u53d6\u51b3\u4e8e\u5e73\u53f0\uff0c\u5728\u4e0d\u540c\u5e73\u53f0\u4e0a\u53ef\u80fd\u5bfc\u81f4\u4e0d\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u5f00\u53d1\u8005\u503e\u5411<\/strong><\/p>\n<p>\u6700\u7ec8\uff0c\u4f5c\u4e3a\u5f00\u53d1\u8005\u9009\u62e9\u54ea\u79cd\u65b9\u6848\u53d6\u51b3\u4e8e\u9879\u76ee\u7684\u5177\u4f53\u8981\u6c42\u548c\u4e2a\u4eba\u504f\u597d\u3002\u5982\u679c\u9879\u76ee\u5bf9\u5207\u7247\u957f\u5ea6\u7684\u8303\u56f4\u6ca1\u6709\u7279\u6b8a\u8981\u6c42\uff0c\u5219 int \u53ef\u4ee5\u4f5c\u4e3a\u7b80\u5355\u6613\u7528\u7684\u9009\u9879\u3002\u5982\u679c\u9700\u8981\u786e\u4fdd\u5207\u7247\u957f\u5ea6\u6c38\u8fdc\u975e\u8d1f\u4e14\u5904\u7406\u5927\u503c\uff0c\u5219 usize \u662f\u66f4\u5408\u9002\u7684\u7c7b\u578b\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aGo \u548c Rust \u5207\u7247\u957f\u5ea6\u7c7b\u578b\u4e3a\u4f55\u4e0d\u540c\uff1aint \u4e0e usize \u7684\u9009\u62e9\u4e4b\u4e89\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728GOLANG\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Django\u62a5\u9519\u201cdjango.core.exceptions.ImproperlyConfigured: &#8216;django.db.backends.mysql&#8217; isn&#8217;t an available database backend\u201d\u600e\u4e48\u89e3\u51b3\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5728JavaScript\u4e2d\uff0c\u4e3a\u4ec0\u4e48\u8bbe\u7f6eDataTable\u7684bLengthChange\u65e0\u6cd5\u663e\u793a\u6bcf\u9875\u6570\u636e\u91cf\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-206450","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=206450"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206450\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}