{"id":44654,"date":"2023-04-30T22:26:23","date_gmt":"2023-12-24T23:20:19","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8golang%e7%9a%84%e6%8e%a5%e5%8f%a3%e4%b8%ad%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e6%8c%87%e9%92%88%e3%80%82\/"},"modified":"2024-04-30T02:02:26","modified_gmt":"2024-04-29T18:02:26","slug":"%e5%9c%a8golang%e7%9a%84%e6%8e%a5%e5%8f%a3%e4%b8%ad%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e6%8c%87%e9%92%88%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8golang%e7%9a%84%e6%8e%a5%e5%8f%a3%e4%b8%ad%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e6%8c%87%e9%92%88%e3%80%82\/","title":{"rendered":"\u5728Golang\u7684\u63a5\u53e3\u4e2d\u5c1d\u8bd5\u4f7f\u7528\u6307\u9488"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u6700\u8fd1\u6211\u5728\u5b66\u4e60RUST\uff0c\u4f46\u4e3a\u4e86\u4e0d\u5fd8\u8bb0\u4ee5\u524d\u5b66\u8fc7\u7684Golang\uff0c\u6211\u4f1a\u5229\u7528Go\u4e4b\u65c5\u8fdb\u884c\u590d\u4e60\u3002\u4e3a\u4e86\u4e0d\u5fd8\u8bb0\u5bf9\u63a5\u53e3\u7684\u7406\u89e3\uff0c\u6211\u4f1a\u5728\u8fd9\u91cc\u7559\u4e0b\u7b14\u8bb0\uff0c\u63d0\u9192\u81ea\u5df1\u91cd\u70b9\u662f\u7ed3\u6784\u4f53\u3001\u6307\u9488\u548c\u63a5\u53e3\u3002<\/p>\n<h1>\u76ee\u6807<\/h1>\n<p>part1: \u4f7f\u63a5\u53e3\u80fd\u5920\u8f38\u51fa\u6307\u6a19<br \/>\npart2: \u7576\u63a5\u53e3\u6307\u5b9a\u8f38\u51fa\u985e\u578b\u6642\uff0c\u53ef\u4ee5\u5229\u7528\u6307\u6a19\u6307\u5b9a\u7684\u985e\u5225\u91cd\u65b0\u5b9a\u7fa9\u932f\u8aa4<\/p>\n<h1>\u6d4b\u8bd5\u4ee3\u7801<\/h1>\n<h2>\u90e8\u52061<\/h2>\n<p>\u8bf7\u4f7f\u7528\u4e2d\u6587\u8fdb\u884c\u91cd\u8ff0\uff0c\u53ea\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"s\">\"fmt\"<\/span>\r\n\r\n<span class=\"c\">\/\/ \u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">I<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">M<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u69cb\u9020\u4f53<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">mystring<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">S<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ mystring\u306e\u30dd\u30a4\u30f3\u30bf\u30af\u30e9\u30b9<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">f<\/span> <span class=\"o\">*<\/span><span class=\"n\">mystring<\/span><span class=\"p\">)<\/span> <span class=\"n\">M<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">f<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"&lt;nil&gt;\"<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"k\">return<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"print S value {}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">f<\/span><span class=\"o\">.<\/span><span class=\"n\">S<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">var<\/span> <span class=\"n\">i<\/span> <span class=\"n\">I<\/span>\r\n\t<span class=\"k\">var<\/span> <span class=\"n\">t<\/span> <span class=\"o\">*<\/span><span class=\"n\">mystring<\/span>\r\n\t<span class=\"n\">i<\/span> <span class=\"o\">=<\/span> <span class=\"n\">t<\/span>\r\n\t<span class=\"n\">describe<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"n\">i<\/span><span class=\"o\">.<\/span><span class=\"n\">M<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">describe<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span> <span class=\"n\">I<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"describe the result (%v, %T)<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">i<\/span><span class=\"p\">,<\/span> <span class=\"n\">i<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h4>\u8f93\u51fa\u7ed3\u679c\uff1a<\/h4>\n<pre class=\"post-pre\"><code>describe the result <span class=\"o\">(<\/span>&lt;nil&gt;, <span class=\"k\">*<\/span>main.mystring<span class=\"o\">)<\/span>\r\n&lt;nil&gt;\r\n<\/code><\/pre>\n<p>\u6211\u5011\u53ef\u4ee5\u5f9e\u9019\u88e1\u770b\u51fa\u4f86\uff0c\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba\u300ct\u300d\u7684\u7d50\u69cb\u9ad4\u6307\u91dd\uff0c\u4e26\u4e14\u901a\u904e\u50b3\u905e\u4ecb\u9762\u300ci\u300d\u4f86\u9032\u884c\u8f38\u51fa\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"s\">\"fmt\"<\/span>\r\n\r\n<span class=\"c\">\/\/ \u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">I<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">M<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u69cb\u9020\u4f53<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">mystring<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">S<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ mystring\u306e\u30dd\u30a4\u30f3\u30bf\u30af\u30e9\u30b9<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">f<\/span> <span class=\"o\">*<\/span><span class=\"n\">mystring<\/span><span class=\"p\">)<\/span> <span class=\"n\">M<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">f<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"&lt;nil&gt;\"<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"k\">return<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"print S value is %v ,pointer is %v\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">f<\/span><span class=\"o\">.<\/span><span class=\"n\">S<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">f<\/span><span class=\"o\">.<\/span><span class=\"n\">S<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">var<\/span> <span class=\"n\">i<\/span> <span class=\"n\">I<\/span>\r\n\t\r\n\t<span class=\"k\">var<\/span> <span class=\"n\">middlestring<\/span> <span class=\"o\">=<\/span> <span class=\"n\">mystring<\/span><span class=\"p\">{<\/span><span class=\"s\">\"Mike\"<\/span><span class=\"p\">}<\/span>\r\n\t<span class=\"n\">i<\/span> <span class=\"o\">=<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">middlestring<\/span>\r\n\t<span class=\"n\">describe<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"n\">i<\/span><span class=\"o\">.<\/span><span class=\"n\">M<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">describe<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span> <span class=\"n\">I<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"describe the result (%v, %T)<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">i<\/span><span class=\"p\">,<\/span> <span class=\"n\">i<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u8f93\u51fa\u7ed3\u679c<\/h4>\n<pre class=\"post-pre\"><code>describe the result <span class=\"o\">(<\/span>&amp;<span class=\"o\">{<\/span>Mike<span class=\"o\">}<\/span>, <span class=\"k\">*<\/span>main.mystring<span class=\"o\">)<\/span>\r\nprint S value is Mike ,pointer is 0xc000108050\r\n<\/code><\/pre>\n<p>\u6211\u53ef\u4ee5\u8f93\u51fa\u6307\u9488\u3002<\/p>\n<h2>\u628a\u4ee5\u4e0b\u5185\u5bb9\u7ffb\u8bd1\u6210\u4e2d\u6587\uff0c\u53ea\u9700\u4e00\u79cd\u9009\u9879\uff1a<\/h2>\n<p>\u7b2c\u4e8c\u90e8\u5206<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n\t<span class=\"s\">\"fmt\"<\/span>\r\n\t<span class=\"s\">\"time\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"kt\">error<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">Error<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">error2<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">Error2<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">MyError<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">When<\/span> <span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Time<\/span>\r\n\t<span class=\"n\">What<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">e<\/span> <span class=\"o\">*<\/span><span class=\"n\">MyError<\/span><span class=\"p\">)<\/span> <span class=\"n\">Error2<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"at222 %v, %s\"<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"n\">When<\/span><span class=\"p\">,<\/span> <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"n\">What<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">e<\/span> <span class=\"o\">*<\/span><span class=\"n\">MyError<\/span><span class=\"p\">)<\/span> <span class=\"n\">Error<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"at %v, %s\"<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"n\">When<\/span><span class=\"p\">,<\/span> <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"n\">What<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">run2<\/span><span class=\"p\">()<\/span> <span class=\"n\">error2<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">MyError<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Now<\/span><span class=\"p\">(),<\/span> \r\n        <span class=\"s\">\"it didn't works\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">run<\/span><span class=\"p\">()<\/span> <span class=\"kt\">error<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">MyError<\/span><span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Now<\/span><span class=\"p\">(),<\/span>\r\n\t\t<span class=\"s\">\"it didn't work\"<\/span><span class=\"p\">,<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">run<\/span><span class=\"p\">();<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err2<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">run2<\/span><span class=\"p\">();<\/span> <span class=\"n\">err2<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">err2<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h4>\u8f93\u51fa\u7ed3\u679c<\/h4>\n<pre class=\"post-pre\"><code>at 2009-11-10 23:00:00 +0000 UTC <span class=\"nv\">m<\/span><span class=\"o\">=<\/span>+0.000000001, it didn<span class=\"s1\">'t work\r\nat 2009-11-10 23:00:00 +0000 UTC m=+0.000000001, it didn'<\/span>t works   &lt;- \u203b\u203b\u304a\u304b\u3057\u3044 \r\n<\/code><\/pre>\n<p>\u6839\u636e\u7ed3\u679c\u6765\u770b\uff0crun2()\u7684\u8fd4\u56de\u7ed3\u679c\u662f\u4e00\u4e2a\u540d\u4e3a&#8221;Error()&#8221;\u7684\u7c7b\u3002\u5f88\u5947\u602a\u7684\u662f\uff0c\u8fd9\u662f\u5426\u662f\u9ed8\u8ba4\u63a5\u53e3\u7684\u610f\u601d\uff1f<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n\t<span class=\"s\">\"fmt\"<\/span>\r\n\t<span class=\"s\">\"time\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"kt\">error<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">Error<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">error2<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">Error2<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">MyError<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">When<\/span> <span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Time<\/span>\r\n\t<span class=\"n\">What<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">e<\/span> <span class=\"o\">*<\/span><span class=\"n\">MyError<\/span><span class=\"p\">)<\/span> <span class=\"n\">Error2<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"at222 %v, %s\"<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"n\">When<\/span><span class=\"p\">,<\/span> <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"n\">What<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">e<\/span> <span class=\"o\">*<\/span><span class=\"n\">MyError<\/span><span class=\"p\">)<\/span> <span class=\"n\">Error<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"at %v, %s\"<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"n\">When<\/span><span class=\"p\">,<\/span> <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"n\">What<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">run2<\/span><span class=\"p\">()<\/span> <span class=\"k\">interface<\/span><span class=\"p\">{}<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">func<\/span><span class=\"p\">()<\/span> <span class=\"k\">interface<\/span><span class=\"p\">{}<\/span> <span class=\"p\">{<\/span>\r\n    \t<span class=\"k\">var<\/span> <span class=\"n\">Error2<\/span> <span class=\"n\">error2<\/span>\r\n    \t<span class=\"n\">Error2<\/span> <span class=\"o\">=<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">MyError<\/span><span class=\"p\">{<\/span><span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Now<\/span><span class=\"p\">(),<\/span> <span class=\"s\">\"it didn't works\"<\/span><span class=\"p\">}<\/span>\r\n    \t<span class=\"k\">return<\/span> <span class=\"n\">Error2<\/span><span class=\"o\">.<\/span><span class=\"n\">Error2<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">}()<\/span>  <span class=\"err\">#<\/span> <span class=\"o\">&lt;--<\/span> <span class=\"n\">\u3053\u3053\u306f<\/span><span class=\"err\">\u300c<\/span><span class=\"p\">()<\/span><span class=\"err\">\u300d<\/span><span class=\"n\">\u3092\u4f7f\u7528\u3057\u306a\u3044\u3068\u30dd\u30a4\u30f3\u30bf\u30fc\u3092\u8fd4\u3059<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">run<\/span><span class=\"p\">()<\/span> <span class=\"kt\">error<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">MyError<\/span><span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Now<\/span><span class=\"p\">(),<\/span>\r\n\t\t<span class=\"s\">\"it didn't work\"<\/span><span class=\"p\">,<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">run<\/span><span class=\"p\">();<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"k\">if<\/span> <span class=\"n\">err2<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">run2<\/span><span class=\"p\">();<\/span> <span class=\"n\">err2<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">err2<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h4>\u8f93\u51fa\u7ed3\u679c<\/h4>\n<pre class=\"post-pre\"><code>at 2009-11-10 23:00:00 +0000 UTC <span class=\"nv\">m<\/span><span class=\"o\">=<\/span>+0.000000001, it didn<span class=\"s1\">'t work\r\nat222 2009-11-10 23:00:00 +0000 UTC m=+0.000000001, it didn'<\/span>t works\r\n<\/code><\/pre>\n<p>\u6700\u540e\uff0c\u867d\u7136\u4e0d\u77e5\u9053\u539f\u56e0\uff0c\u4f46\u603b\u7b97\u662f\u901a\u8fc7\u5b9a\u4e49\u63a5\u53e3\u5e76\u91cd\u65b0\u5f15\u5165error2\u63a5\u53e3\uff0c\u5c06run2()\u7684\u8fd4\u56de\u7ed3\u679c\u8bbe\u5b9a\u4e3a\u8fd4\u56de\u7b56\u7565\uff0c\u5e76\u89e3\u51b3\u4e86\u95ee\u9898\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<ul class=\"post-ul\">\u65e2\u5b58\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3092\u3057\u3066\u304a\u304f\u3079\u304d\u304b\u306a\u3002<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u6700\u8fd1\u6211\u5728\u5b66\u4e60RUST\uff0c\u4f46\u4e3a\u4e86\u4e0d\u5fd8\u8bb0\u4ee5\u524d\u5b66\u8fc7\u7684Golang\uff0c\u6211\u4f1a\u5229\u7528Go\u4e4b\u65c5\u8fdb\u884c\u590d\u4e60\u3002\u4e3a\u4e86\u4e0d\u5fd8\u8bb0\u5bf9\u63a5\u53e3\u7684\u7406 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44654","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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