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import{_ as l,o as p,c as o,k as s,a,X as n}from"./chunks/framework.6e839c56.js";const C=JSON.parse('{"title":"Xerror","description":"","frontmatter":{},"headers":[],"relativePath":"api/packages/xerror.md","filePath":"api/packages/xerror.md"}'),e={name:"api/packages/xerror.md"},r=s("h1",{id:"Xerror",tabindex:"-1"},[a("Xerror "),s("a",{class:"header-anchor",href:"#Xerror","aria-label":'Permalink to "Xerror"'},"​")],-1),t=s("p",null,"xerror 错误处理逻辑封装",-1),c=s("div",{STYLE:"page-break-after: always;"},null,-1),y=s("h2",{id:"源码-",tabindex:"-1"},[a("源码: "),s("a",{class:"header-anchor",href:"#源码-","aria-label":'Permalink to "源码:"'},"​")],-1),F=s("ul",null,[s("li",null,[s("a",{href:"https://github.com/duke-git/lancet/blob/main/xerror/xerror.go",target:"_blank",rel:"noreferrer"},"https://github.com/duke-git/lancet/blob/main/xerror/xerror.go")])],-1),i=s("div",{STYLE:"page-break-after: always;"},null,-1),E=n(`<h2 id="用法-" tabindex="-1">用法: <a class="header-anchor" href="#用法-" aria-label="Permalink to &quot;用法:&quot;">​</a></h2><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span></code></pre></div>`,2),u=s("div",{STYLE:"page-break-after: always;"},null,-1),A=n('<h2 id="目录" tabindex="-1">目录 <a class="header-anchor" href="#目录" aria-label="Permalink to &quot;目录&quot;">​</a></h2><ul><li><a href="#New">New</a></li><li><a href="#Wrap">Wrap</a></li><li><a href="#Unwrap">Unwrap</a></li><li><a href="#XError_Wrap">XError_Wrap</a></li><li><a href="#XError_Unwrap">XError_Unwrap</a></li><li><a href="#XError_With">XError_With</a></li><li><a href="#XError_Is">XError_Is</a></li><li><a href="#XError_Id">XError_Id</a></li><li><a href="#XError_Values">XError_Values</a></li><li><a href="#XError_StackTrace">XError_StackTrace</a></li><li><a href="#XError_Info">XError_Info</a></li><li><a href="#XError_Error">XError_Error</a></li><li><a href="#TryUnwrap">TryUnwrap</a></li></ul>',2),d=s("div",{STYLE:"page-break-after: always;"},null,-1),g=n(`<h2 id="文档" tabindex="-1">文档 <a class="header-anchor" href="#文档" aria-label="Permalink to &quot;文档&quot;">​</a></h2><h3 id="New" tabindex="-1"><span id="New">New</span> <a class="header-anchor" href="#New" aria-label="Permalink to &quot;&lt;span id=&quot;New&quot;&gt;New&lt;/span&gt;&quot;">​</a></h3><p>创建XError对象实例。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">type</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;font-style:italic;">XError</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">struct</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> id </span><span style="color:#97E1F1;font-style:italic;">string</span></span>
<span class="line"><span style="color:#F6F6F4;"> message </span><span style="color:#97E1F1;font-style:italic;">string</span></span>
<span class="line"><span style="color:#F6F6F4;"> stack </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">stack</span></span>
<span class="line"><span style="color:#F6F6F4;"> cause </span><span style="color:#97E1F1;font-style:italic;">error</span></span>
<span class="line"><span style="color:#F6F6F4;"> values </span><span style="color:#F286C4;">map</span><span style="color:#F6F6F4;">[</span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">]any</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">New</span><span style="color:#F6F6F4;">(format </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">, args </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">any) </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">type</span><span style="color:#393A34;"> </span><span style="color:#2E8F82;">XError</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">struct</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> id </span><span style="color:#AB5959;">string</span></span>
<span class="line"><span style="color:#393A34;"> message </span><span style="color:#AB5959;">string</span></span>
<span class="line"><span style="color:#393A34;"> stack </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">stack</span></span>
<span class="line"><span style="color:#393A34;"> cause </span><span style="color:#AB5959;">error</span></span>
<span class="line"><span style="color:#393A34;"> values </span><span style="color:#1E754F;">map</span><span style="color:#999999;">[</span><span style="color:#AB5959;">string</span><span style="color:#999999;">]</span><span style="color:#393A34;">any</span></span>
<span class="line"><span style="color:#999999;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">New</span><span style="color:#999999;">(</span><span style="color:#393A34;">format </span><span style="color:#AB5959;">string</span><span style="color:#999999;">,</span><span style="color:#393A34;"> args </span><span style="color:#AB5959;">...</span><span style="color:#393A34;">any</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/w4oWZts7q7f" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(err.</span><span style="color:#97E1F1;">Error</span><span style="color:#F6F6F4;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// error</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">err</span><span style="color:#999999;">.</span><span style="color:#998418;">Error</span><span style="color:#999999;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// error</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Wrap" tabindex="-1"><span id="Wrap">Wrap</span> <a class="header-anchor" href="#Wrap" aria-label="Permalink to &quot;&lt;span id=&quot;Wrap&quot;&gt;Wrap&lt;/span&gt;&quot;">​</a></h3><p>根据error对象创建XError对象实例，可添加message。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">Wrap</span><span style="color:#F6F6F4;">(cause </span><span style="color:#97E1F1;font-style:italic;">error</span><span style="color:#F6F6F4;">, message </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">any) </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Wrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">cause </span><span style="color:#AB5959;">error</span><span style="color:#999999;">,</span><span style="color:#393A34;"> message </span><span style="color:#AB5959;">...</span><span style="color:#393A34;">any</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/5385qT2dCi4" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">wrong password</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> wrapErr </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">Wrap</span><span style="color:#F6F6F4;">(err, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(wrapErr.</span><span style="color:#97E1F1;">Error</span><span style="color:#F6F6F4;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// error: wrong password</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">wrong password</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">wrapErr</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">Wrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">err</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">wrapErr</span><span style="color:#999999;">.</span><span style="color:#998418;">Error</span><span style="color:#999999;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// error: wrong password</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Unwrap" tabindex="-1"><span id="Unwrap">Unwrap</span> <a class="header-anchor" href="#Unwrap" aria-label="Permalink to &quot;&lt;span id=&quot;Unwrap&quot;&gt;Unwrap&lt;/span&gt;&quot;">​</a></h3><p>从error对象中解构出XError。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">Unwrap</span><span style="color:#F6F6F4;">(err </span><span style="color:#97E1F1;font-style:italic;">error</span><span style="color:#F6F6F4;">) </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Unwrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">err </span><span style="color:#AB5959;">error</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/LKMLep723tu" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/pkg/errors</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">With</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">level</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">high</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> wrapErr </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> errors.</span><span style="color:#97E1F1;">Wrap</span><span style="color:#F6F6F4;">(err1, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">oops</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> err </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">Unwrap</span><span style="color:#F6F6F4;">(wrapErr)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> values </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err.</span><span style="color:#97E1F1;">Values</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(values[</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">level</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">])</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// high</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/pkg/errors</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">With</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">level</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">high</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">wrapErr</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> errors</span><span style="color:#999999;">.</span><span style="color:#998418;">Wrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">err1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">oops</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">Unwrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">wrapErr</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">values</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err</span><span style="color:#999999;">.</span><span style="color:#998418;">Values</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">values</span><span style="color:#999999;">[</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">level</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">])</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// high</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="XError-Wrap" tabindex="-1"><span id="XError_Wrap">XError_Wrap</span> <a class="header-anchor" href="#XError-Wrap" aria-label="Permalink to &quot;&lt;span id=&quot;XError_Wrap&quot;&gt;XError_Wrap&lt;/span&gt;&quot;">​</a></h3><p>创建新的XError对象并将消息和id复制到新的对象中。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (e </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError) </span><span style="color:#62E884;">Wrap</span><span style="color:#F6F6F4;">(cause </span><span style="color:#97E1F1;font-style:italic;">error</span><span style="color:#F6F6F4;">) </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">e </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Wrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">cause </span><span style="color:#AB5959;">error</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/RpjJ5u5sc97" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">errors</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">With</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">level</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">high</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> err2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err1.</span><span style="color:#97E1F1;">Wrap</span><span style="color:#F6F6F4;">(errors.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">invalid username</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(err2.</span><span style="color:#97E1F1;">Error</span><span style="color:#F6F6F4;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// error: invalid username</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">errors</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">With</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">level</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">high</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err1</span><span style="color:#999999;">.</span><span style="color:#998418;">Wrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">errors</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">invalid username</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">err2</span><span style="color:#999999;">.</span><span style="color:#998418;">Error</span><span style="color:#999999;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// error: invalid username</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="XError-Unwrap" tabindex="-1"><span id="XError_Unwrap">XError_Unwrap</span> <a class="header-anchor" href="#XError-Unwrap" aria-label="Permalink to &quot;&lt;span id=&quot;XError_Unwrap&quot;&gt;XError_Unwrap&lt;/span&gt;&quot;">​</a></h3><p>解构XEerror为error对象。适配github.com/pkg/errors。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (e </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError) </span><span style="color:#62E884;">Unwrap</span><span style="color:#F6F6F4;">() </span><span style="color:#97E1F1;font-style:italic;">error</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">e </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Unwrap</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">error</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/VUXJ8BST4c6" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">With</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">level</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">high</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> err2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err1.</span><span style="color:#97E1F1;">Wrap</span><span style="color:#F6F6F4;">(errors.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">invalid username</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> err </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err2.</span><span style="color:#97E1F1;">Unwrap</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(err.</span><span style="color:#97E1F1;">Error</span><span style="color:#F6F6F4;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// invalid username</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">With</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">level</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">high</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err1</span><span style="color:#999999;">.</span><span style="color:#998418;">Wrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">errors</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">invalid username</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err2</span><span style="color:#999999;">.</span><span style="color:#998418;">Unwrap</span><span style="color:#999999;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">err</span><span style="color:#999999;">.</span><span style="color:#998418;">Error</span><span style="color:#999999;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// invalid username</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="XError-With" tabindex="-1"><span id="XError_With">XError_With</span> <a class="header-anchor" href="#XError-With" aria-label="Permalink to &quot;&lt;span id=&quot;XError_With&quot;&gt;XError_With&lt;/span&gt;&quot;">​</a></h3><p>添加与XError对象的键和值。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (e </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError) </span><span style="color:#62E884;">With</span><span style="color:#F6F6F4;">(key </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">, value any) </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">e </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">With</span><span style="color:#999999;">(</span><span style="color:#393A34;">key </span><span style="color:#AB5959;">string</span><span style="color:#999999;">,</span><span style="color:#393A34;"> value any</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/ow8UISXX_Dp" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">With</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">level</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">high</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> errLevel </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err.</span><span style="color:#97E1F1;">Values</span><span style="color:#F6F6F4;">()[</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">level</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">]</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(errLevel)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// high</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">With</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">level</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">high</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">errLevel</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err</span><span style="color:#999999;">.</span><span style="color:#998418;">Values</span><span style="color:#999999;">()[</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">level</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">]</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">errLevel</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// high</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="XError-Id" tabindex="-1"><span id="XError_Id">XError_Id</span> <a class="header-anchor" href="#XError-Id" aria-label="Permalink to &quot;&lt;span id=&quot;XError_Id&quot;&gt;XError_Id&lt;/span&gt;&quot;">​</a></h3><p>设置XError对象的id。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (e </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError) </span><span style="color:#62E884;">Id</span><span style="color:#F6F6F4;">(id </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">) </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">e </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Id</span><span style="color:#999999;">(</span><span style="color:#393A34;">id </span><span style="color:#AB5959;">string</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/X6HBlsy58U9" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">Id</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">e001</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> err2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">Id</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">e001</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> err3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">Id</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">e003</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> equal </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err1.</span><span style="color:#97E1F1;">Is</span><span style="color:#F6F6F4;">(err2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> notEqual </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err1.</span><span style="color:#97E1F1;">Is</span><span style="color:#F6F6F4;">(err3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(equal)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(notEqual)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// true</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// false</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">Id</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">e001</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">Id</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">e001</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">Id</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">e003</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">equal</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err1</span><span style="color:#999999;">.</span><span style="color:#998418;">Is</span><span style="color:#999999;">(</span><span style="color:#393A34;">err2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">notEqual</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err1</span><span style="color:#999999;">.</span><span style="color:#998418;">Is</span><span style="color:#999999;">(</span><span style="color:#393A34;">err3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">equal</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">notEqual</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// true</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// false</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="XError-Is" tabindex="-1"><span id="XError_Is">XError_Is</span> <a class="header-anchor" href="#XError-Is" aria-label="Permalink to &quot;&lt;span id=&quot;XError_Is&quot;&gt;XError_Is&lt;/span&gt;&quot;">​</a></h3><p>检查目标error是否为XError，两个错误中的error.id是否匹配。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (e </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError) </span><span style="color:#62E884;">Is</span><span style="color:#F6F6F4;">(target </span><span style="color:#97E1F1;font-style:italic;">error</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">bool</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">e </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Is</span><span style="color:#999999;">(</span><span style="color:#393A34;">target </span><span style="color:#AB5959;">error</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">bool</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/X6HBlsy58U9" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">Id</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">e001</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> err2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">Id</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">e001</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> err3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">Id</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">e003</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> equal </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err1.</span><span style="color:#97E1F1;">Is</span><span style="color:#F6F6F4;">(err2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> notEqual </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err1.</span><span style="color:#97E1F1;">Is</span><span style="color:#F6F6F4;">(err3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(equal)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(notEqual)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// true</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// false</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">Id</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">e001</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">Id</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">e001</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">Id</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">e003</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">equal</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err1</span><span style="color:#999999;">.</span><span style="color:#998418;">Is</span><span style="color:#999999;">(</span><span style="color:#393A34;">err2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">notEqual</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err1</span><span style="color:#999999;">.</span><span style="color:#998418;">Is</span><span style="color:#999999;">(</span><span style="color:#393A34;">err3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">equal</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">notEqual</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// true</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// false</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="XError-Values" tabindex="-1"><span id="XError_Values">XError_Values</span> <a class="header-anchor" href="#XError-Values" aria-label="Permalink to &quot;&lt;span id=&quot;XError_Values&quot;&gt;XError_Values&lt;/span&gt;&quot;">​</a></h3><p>返回由With设置的键和值的映射。将合并所有XError键和值。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (e </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError) </span><span style="color:#62E884;">Values</span><span style="color:#F6F6F4;">() </span><span style="color:#F286C4;">map</span><span style="color:#F6F6F4;">[</span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">]any</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">e </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Values</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">map</span><span style="color:#999999;">[</span><span style="color:#AB5959;">string</span><span style="color:#999999;">]</span><span style="color:#393A34;">any</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/ow8UISXX_Dp" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">With</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">level</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">high</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> errLevel </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err.</span><span style="color:#97E1F1;">Values</span><span style="color:#F6F6F4;">()[</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">level</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">]</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(errLevel)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// high</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">With</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">level</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">high</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">errLevel</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err</span><span style="color:#999999;">.</span><span style="color:#998418;">Values</span><span style="color:#999999;">()[</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">level</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">]</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">errLevel</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// high</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="XError-StackTrace" tabindex="-1"><span id="XError_StackTrace">XError_StackTrace</span> <a class="header-anchor" href="#XError-StackTrace" aria-label="Permalink to &quot;&lt;span id=&quot;XError_StackTrace&quot;&gt;XError_StackTrace&lt;/span&gt;&quot;">​</a></h3><p>返回与pkg/error兼容的堆栈信息。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (e </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError) </span><span style="color:#62E884;">StackTrace</span><span style="color:#F6F6F4;">() StackTrace</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">e </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">StackTrace</span><span style="color:#999999;">()</span><span style="color:#393A34;"> StackTrace</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/6FAvSQpa7pc" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> stacks </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err.</span><span style="color:#97E1F1;">Stacks</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(stacks[</span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">].Func)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(stacks[</span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">].Line)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> containFile </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> strings.</span><span style="color:#97E1F1;">Contains</span><span style="color:#F6F6F4;">(stacks[</span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">].File, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">xxx.go</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(containFile)</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">stacks</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err</span><span style="color:#999999;">.</span><span style="color:#998418;">Stacks</span><span style="color:#999999;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">stacks</span><span style="color:#999999;">[</span><span style="color:#2F798A;">0</span><span style="color:#999999;">].</span><span style="color:#393A34;">Func</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">stacks</span><span style="color:#999999;">[</span><span style="color:#2F798A;">0</span><span style="color:#999999;">].</span><span style="color:#393A34;">Line</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">containFile</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> strings</span><span style="color:#999999;">.</span><span style="color:#998418;">Contains</span><span style="color:#999999;">(</span><span style="color:#393A34;">stacks</span><span style="color:#999999;">[</span><span style="color:#2F798A;">0</span><span style="color:#999999;">].</span><span style="color:#393A34;">File</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">xxx.go</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">containFile</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="XError-Info" tabindex="-1"><span id="XError_Info">XError_Info</span> <a class="header-anchor" href="#XError-Info" aria-label="Permalink to &quot;&lt;span id=&quot;XError_Info&quot;&gt;XError_Info&lt;/span&gt;&quot;">​</a></h3><p>返回可打印的XError对象信息。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (e </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError) </span><span style="color:#62E884;">Info</span><span style="color:#F6F6F4;">() </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">errInfo</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">e </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Info</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">errInfo</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/1ZX0ME1F-Jb" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> cause </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> errors.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> err </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">Wrap</span><span style="color:#F6F6F4;">(cause, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">invalid username</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">Id</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">e001</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">).</span><span style="color:#97E1F1;">With</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">level</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">high</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> errInfo </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> err.</span><span style="color:#97E1F1;">Info</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(errInfo.Id)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(errInfo.Cause)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(errInfo.Values[</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">level</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">])</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(errInfo.Message)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// e001</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// error</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// high</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// invalid username</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">cause</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> errors</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">Wrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">cause</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">invalid username</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">Id</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">e001</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">).</span><span style="color:#998418;">With</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">level</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">high</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">errInfo</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> err</span><span style="color:#999999;">.</span><span style="color:#998418;">Info</span><span style="color:#999999;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">errInfo</span><span style="color:#999999;">.</span><span style="color:#393A34;">Id</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">errInfo</span><span style="color:#999999;">.</span><span style="color:#393A34;">Cause</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">errInfo</span><span style="color:#999999;">.</span><span style="color:#393A34;">Values</span><span style="color:#999999;">[</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">level</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">])</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">errInfo</span><span style="color:#999999;">.</span><span style="color:#393A34;">Message</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// e001</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// error</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// high</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// invalid username</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="XError-Error" tabindex="-1"><span id="XError_Error">XError_Error</span> <a class="header-anchor" href="#XError-Error" aria-label="Permalink to &quot;&lt;span id=&quot;XError_Error&quot;&gt;XError_Error&lt;/span&gt;&quot;">​</a></h3><p>实现标准库的error接口。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (e </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">XError) </span><span style="color:#62E884;">Error</span><span style="color:#F6F6F4;">() </span><span style="color:#97E1F1;font-style:italic;">string</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">e </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">XError</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Error</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">string</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/w4oWZts7q7f" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> err </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">error</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(err.</span><span style="color:#97E1F1;">Error</span><span style="color:#F6F6F4;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// error</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">err</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">error</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">err</span><span style="color:#999999;">.</span><span style="color:#998418;">Error</span><span style="color:#999999;">())</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// error</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="TryUnwrap" tabindex="-1"><span id="TryUnwrap">TryUnwrap</span> <a class="header-anchor" href="#TryUnwrap" aria-label="Permalink to &quot;&lt;span id=&quot;TryUnwrap&quot;&gt;TryUnwrap&lt;/span&gt;&quot;">​</a></h3><p>检查error, 如果err为nil则展开，则它返回一个有效值，如果err不是nil则TryUnwrap使用err发生panic。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> TryUnwrap[T any](val T, err </span><span style="color:#97E1F1;font-style:italic;">error</span><span style="color:#F6F6F4;">) T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> TryUnwrap</span><span style="color:#999999;">[</span><span style="color:#393A34;">T any</span><span style="color:#999999;">](</span><span style="color:#393A34;">val T</span><span style="color:#999999;">,</span><span style="color:#393A34;"> err </span><span style="color:#AB5959;">error</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/acyZVkNZEeW" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">TryUnwrap</span><span style="color:#F6F6F4;">(strconv.</span><span style="color:#97E1F1;">Atoi</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">42</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">))</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> _, err </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> strconv.</span><span style="color:#97E1F1;">Atoi</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">4o2</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">defer</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> v </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">recover</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> reflect.</span><span style="color:#97E1F1;">DeepEqual</span><span style="color:#F6F6F4;">(err.</span><span style="color:#97E1F1;">Error</span><span style="color:#F6F6F4;">(), v.(</span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">strconv.NumError).</span><span style="color:#97E1F1;">Error</span><span style="color:#F6F6F4;">())</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> }()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> xerror.</span><span style="color:#97E1F1;">TryUnwrap</span><span style="color:#F6F6F4;">(strconv.</span><span style="color:#97E1F1;">Atoi</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">4o2</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 42</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// true</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/xerror</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">TryUnwrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">strconv</span><span style="color:#999999;">.</span><span style="color:#998418;">Atoi</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">42</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">))</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">_</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B07D48;">err</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> strconv</span><span style="color:#999999;">.</span><span style="color:#998418;">Atoi</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">4o2</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">defer</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">v</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#998418;">recover</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> reflect</span><span style="color:#999999;">.</span><span style="color:#998418;">DeepEqual</span><span style="color:#999999;">(</span><span style="color:#393A34;">err</span><span style="color:#999999;">.</span><span style="color:#998418;">Error</span><span style="color:#999999;">(),</span><span style="color:#393A34;"> v</span><span style="color:#999999;">.(</span><span style="color:#AB5959;">*</span><span style="color:#393A34;">strconv</span><span style="color:#999999;">.</span><span style="color:#393A34;">NumError</span><span style="color:#999999;">).</span><span style="color:#998418;">Error</span><span style="color:#999999;">())</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#999999;">}()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> xerror</span><span style="color:#999999;">.</span><span style="color:#998418;">TryUnwrap</span><span style="color:#999999;">(</span><span style="color:#393A34;">strconv</span><span style="color:#999999;">.</span><span style="color:#998418;">Atoi</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">4o2</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 42</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// true</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div>`,79),h=[r,t,c,y,F,i,E,u,A,d,g];function q(B,v,f,m,D,k){return p(),o("div",null,h)}const _=l(e,[["render",q]]);export{C as __pageData,_ as default};
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