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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 D=JSON.parse('{"title":"Function","description":"","frontmatter":{},"headers":[],"relativePath":"api/packages/function.md","filePath":"api/packages/function.md"}'),e={name:"api/packages/function.md"},c=s("h1",{id:"Function",tabindex:"-1"},[a("Function "),s("a",{class:"header-anchor",href:"#Function","aria-label":'Permalink to "Function"'},"​")],-1),t=s("p",null,"function 函数包控制函数执行流程，包含部分函数式编程。",-1),r=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/function/function.go",target:"_blank",rel:"noreferrer"},"https://github.com/duke-git/lancet/blob/main/function/function.go")]),s("li",null,[s("a",{href:"https://github.com/duke-git/lancet/blob/main/function/watcher.go",target:"_blank",rel:"noreferrer"},"https://github.com/duke-git/lancet/blob/main/function/watcher.go")])],-1),i=s("div",{STYLE:"page-break-after: always;"},null,-1),A=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/function</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/function</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),d=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="#After">After</a></li><li><a href="#Before">Before</a></li><li><a href="#CurryFn">CurryFn</a></li><li><a href="#Compose">Compose</a></li><li><a href="#Debounced">Debounced</a></li><li><a href="#Delay">Delay</a></li><li><a href="#Schedule">Schedule</a></li><li><a href="#Pipeline">Pipeline</a></li><li><a href="#Watcher">Watcher</a></li></ul>',2),E=s("div",{STYLE:"page-break-after: always;"},null,-1),f=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="After" tabindex="-1"><span id="After">After</span> <a class="header-anchor" href="#After" aria-label="Permalink to &quot;&lt;span id=&quot;After&quot;&gt;After&lt;/span&gt;&quot;">​</a></h3><p>创建一个函数，当他被调用n或更多次之后将马上触发fn</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;">After</span><span style="color:#F6F6F4;">(n </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">, fn any) </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(args </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">any) []reflect.Value</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;">After</span><span style="color:#999999;">(</span><span style="color:#393A34;">n </span><span style="color:#AB5959;">int</span><span style="color:#999999;">,</span><span style="color:#393A34;"> fn any</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</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:#999999;">[]</span><span style="color:#393A34;">reflect</span><span style="color:#999999;">.</span><span style="color:#393A34;">Value</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/eRD5k2vzUVX" 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/function</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;"> fn </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> function.</span><span style="color:#97E1F1;">After</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">2</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;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">hello</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> })</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">fn</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">fn</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;">// hello</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/function</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;">fn</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> function</span><span style="color:#999999;">.</span><span style="color:#998418;">After</span><span style="color:#999999;">(</span><span style="color:#2F798A;">2</span><span style="color:#999999;">,</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;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">hello</span><span style="color:#B5695999;">&quot;</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;"> </span><span style="color:#998418;">fn</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">fn</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;">// hello</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Before" tabindex="-1"><span id="Before">Before</span> <a class="header-anchor" href="#Before" aria-label="Permalink to &quot;&lt;span id=&quot;Before&quot;&gt;Before&lt;/span&gt;&quot;">​</a></h3><p>创建一个函数，调用次数不超过n次，之后再调用这个函数，将返回一次最后调用fn的结果</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;">Before</span><span style="color:#F6F6F4;">(n </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">, fn any) </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(args </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">any) []reflect.Value</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;">Before</span><span style="color:#999999;">(</span><span style="color:#393A34;">n </span><span style="color:#AB5959;">int</span><span style="color:#999999;">,</span><span style="color:#393A34;"> fn any</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</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:#999999;">[]</span><span style="color:#393A34;">reflect</span><span style="color:#999999;">.</span><span style="color:#393A34;">Value</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/0HqUDIFZ3IL" 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/function</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;"> fn </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> function.</span><span style="color:#97E1F1;">Before</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">2</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;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">hello</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> })</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">fn</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">fn</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">fn</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">fn</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;">// hello</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// hello</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/function</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;">fn</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> function</span><span style="color:#999999;">.</span><span style="color:#998418;">Before</span><span style="color:#999999;">(</span><span style="color:#2F798A;">2</span><span style="color:#999999;">,</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;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">hello</span><span style="color:#B5695999;">&quot;</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;"> </span><span style="color:#998418;">fn</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">fn</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">fn</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">fn</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;">// hello</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// hello</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="CurryFn" tabindex="-1"><span id="CurryFn">CurryFn</span> <a class="header-anchor" href="#CurryFn" aria-label="Permalink to &quot;&lt;span id=&quot;CurryFn&quot;&gt;CurryFn&lt;/span&gt;&quot;">​</a></h3><p>创建柯里化函数</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;">CurryFn</span><span style="color:#F6F6F4;">[T any] </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">T) T</span></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (cf CurryFn[T]) </span><span style="color:#62E884;">New</span><span style="color:#F6F6F4;">(val T) </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">T) T</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;">CurryFn</span><span style="color:#999999;">[</span><span style="color:#393A34;">T any</span><span style="color:#999999;">]</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#AB5959;">...</span><span style="color:#393A34;">T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">cf CurryFn</span><span style="color:#999999;">[</span><span style="color:#393A34;">T</span><span style="color:#999999;">])</span><span style="color:#393A34;"> </span><span style="color:#59873A;">New</span><span style="color:#999999;">(</span><span style="color:#393A34;">val T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#AB5959;">...</span><span style="color:#393A34;">T</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/5HopfDwANKX" 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/function</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;"> add </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(a, b </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> a </span><span style="color:#F286C4;">+</span><span style="color:#F6F6F4;"> b</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">var</span><span style="color:#F6F6F4;"> addCurry function.CurryFn[</span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">] </span><span style="color:#F286C4;">=</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(values </span><span style="color:#F286C4;">...</span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">add</span><span style="color:#F6F6F4;">(values[</span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">], values[</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">])</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</span></span>
<span class="line"><span style="color:#F6F6F4;"> add1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> addCurry.</span><span style="color:#97E1F1;">New</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> result </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">add1</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">2</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;">(result)</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;">// 3</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/function</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;">add</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">a</span><span style="color:#999999;">,</span><span style="color:#393A34;"> b </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">int</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> a </span><span style="color:#AB5959;">+</span><span style="color:#393A34;"> b</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;"> </span><span style="color:#1E754F;">var</span><span style="color:#393A34;"> </span><span style="color:#B07D48;">addCurry</span><span style="color:#393A34;"> function</span><span style="color:#999999;">.</span><span style="color:#393A34;">CurryFn</span><span style="color:#999999;">[</span><span style="color:#AB5959;">int</span><span style="color:#999999;">]</span><span style="color:#393A34;"> </span><span style="color:#999999;">=</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">values </span><span style="color:#AB5959;">...int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">int</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> </span><span style="color:#998418;">add</span><span style="color:#999999;">(</span><span style="color:#393A34;">values</span><span style="color:#999999;">[</span><span style="color:#2F798A;">0</span><span style="color:#999999;">],</span><span style="color:#393A34;"> values</span><span style="color:#999999;">[</span><span style="color:#2F798A;">1</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 style="color:#393A34;"> </span><span style="color:#B07D48;">add1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> addCurry</span><span style="color:#999999;">.</span><span style="color:#998418;">New</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#998418;">add1</span><span style="color:#999999;">(</span><span style="color:#2F798A;">2</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;">result</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;">// 3</span></span>
<span class="line"><span style="color:#393A34;">}</span></span></code></pre></div><h3 id="Compose" tabindex="-1"><span id="Compose">Compose</span> <a class="header-anchor" href="#Compose" aria-label="Permalink to &quot;&lt;span id=&quot;Compose&quot;&gt;Compose&lt;/span&gt;&quot;">​</a></h3><p>从右至左组合函数列表fnList，返回组合后的函数</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;"> Compose[T any](fnList </span><span style="color:#F286C4;">...func</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">T) T) </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">T) 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;"> Compose</span><span style="color:#999999;">[</span><span style="color:#393A34;">T any</span><span style="color:#999999;">](</span><span style="color:#393A34;">fnList </span><span style="color:#AB5959;">...</span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#AB5959;">...</span><span style="color:#393A34;">T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#AB5959;">...</span><span style="color:#393A34;">T</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/KKfugD4PKYF" 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/function</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;"> toUpper </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(strs </span><span style="color:#F286C4;">...</span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> strings.</span><span style="color:#97E1F1;">ToUpper</span><span style="color:#F6F6F4;">(strs[</span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">])</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</span></span>
<span class="line"><span style="color:#F6F6F4;"> toLower </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(strs </span><span style="color:#F286C4;">...</span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> strings.</span><span style="color:#97E1F1;">ToLower</span><span style="color:#F6F6F4;">(strs[</span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">])</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</span></span>
<span class="line"><span style="color:#F6F6F4;"> transform </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> function.</span><span style="color:#97E1F1;">Compose</span><span style="color:#F6F6F4;">(toUpper, toLower)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> result </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">transform</span><span style="color:#F6F6F4;">(</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">aBCde</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;">(result)</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;">// ABCDE</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/function</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;">toUpper</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">strs </span><span style="color:#AB5959;">...</span><span style="color:#AB5959;">string</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">string</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> strings</span><span style="color:#999999;">.</span><span style="color:#998418;">ToUpper</span><span style="color:#999999;">(</span><span style="color:#393A34;">strs</span><span style="color:#999999;">[</span><span style="color:#2F798A;">0</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 style="color:#393A34;"> </span><span style="color:#B07D48;">toLower</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">strs </span><span style="color:#AB5959;">...</span><span style="color:#AB5959;">string</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">string</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> strings</span><span style="color:#999999;">.</span><span style="color:#998418;">ToLower</span><span style="color:#999999;">(</span><span style="color:#393A34;">strs</span><span style="color:#999999;">[</span><span style="color:#2F798A;">0</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 style="color:#393A34;"> </span><span style="color:#B07D48;">transform</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> function</span><span style="color:#999999;">.</span><span style="color:#998418;">Compose</span><span style="color:#999999;">(</span><span style="color:#393A34;">toUpper</span><span style="color:#999999;">,</span><span style="color:#393A34;"> toLower</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#998418;">transform</span><span style="color:#999999;">(</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">aBCde</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;">result</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;">// ABCDE</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Debounced" tabindex="-1"><span id="Debounced">Debounced</span> <a class="header-anchor" href="#Debounced" aria-label="Permalink to &quot;&lt;span id=&quot;Debounced&quot;&gt;Debounced&lt;/span&gt;&quot;">​</a></h3><p>创建一个debounced函数，该函数延迟调用fn直到自上次调用debounced函数后等待持续时间过去。</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;">Debounced</span><span style="color:#F6F6F4;">(fn </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(), duration time.Duration) </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">()</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;">Debounced</span><span style="color:#999999;">(</span><span style="color:#393A34;">fn </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(),</span><span style="color:#393A34;"> duration time</span><span style="color:#999999;">.</span><span style="color:#393A34;">Duration</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">()</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/absuEGB_GN7" 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/function</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;"> count </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#BF9EEE;">0</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> add </span><span style="color:#F286C4;">:=</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;"> count</span><span style="color:#F286C4;">++</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> debouncedAdd </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> function.</span><span style="color:#97E1F1;">Debounced</span><span style="color:#F6F6F4;">(add, </span><span style="color:#BF9EEE;">50</span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">time.Microsecond)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">debouncedAdd</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">debouncedAdd</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">debouncedAdd</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">debouncedAdd</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> time.</span><span style="color:#97E1F1;">Sleep</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">100</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;"> time.Millisecond)</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;">(count)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">debouncedAdd</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> time.</span><span style="color:#97E1F1;">Sleep</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">100</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;"> time.Millisecond)</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;">(count)</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;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 2</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/function</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;">count</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">0</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">add</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</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;"> count</span><span style="color:#AB5959;">++</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;"> </span><span style="color:#B07D48;">debouncedAdd</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> function</span><span style="color:#999999;">.</span><span style="color:#998418;">Debounced</span><span style="color:#999999;">(</span><span style="color:#393A34;">add</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">50</span><span style="color:#AB5959;">*</span><span style="color:#393A34;">time</span><span style="color:#999999;">.</span><span style="color:#393A34;">Microsecond</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">debouncedAdd</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">debouncedAdd</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">debouncedAdd</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">debouncedAdd</span><span style="color:#999999;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> time</span><span style="color:#999999;">.</span><span style="color:#998418;">Sleep</span><span style="color:#999999;">(</span><span style="color:#2F798A;">100</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;"> time</span><span style="color:#999999;">.</span><span style="color:#393A34;">Millisecond</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;">count</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">debouncedAdd</span><span style="color:#999999;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> time</span><span style="color:#999999;">.</span><span style="color:#998418;">Sleep</span><span style="color:#999999;">(</span><span style="color:#2F798A;">100</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;"> time</span><span style="color:#999999;">.</span><span style="color:#393A34;">Millisecond</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;">count</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;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 2</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Delay" tabindex="-1"><span id="Delay">Delay</span> <a class="header-anchor" href="#Delay" aria-label="Permalink to &quot;&lt;span id=&quot;Delay&quot;&gt;Delay&lt;/span&gt;&quot;">​</a></h3><p>延迟delay时间后调用函数</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;">Delay</span><span style="color:#F6F6F4;">(delay time.Duration, fn any, args </span><span style="color:#F286C4;">...</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:#59873A;">Delay</span><span style="color:#999999;">(</span><span style="color:#393A34;">delay time</span><span style="color:#999999;">.</span><span style="color:#393A34;">Duration</span><span style="color:#999999;">,</span><span style="color:#393A34;"> fn any</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></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/Ivtc2ZE-Tye" 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/function</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;"> </span><span style="color:#F286C4;">var</span><span style="color:#F6F6F4;"> print </span><span style="color:#F286C4;">=</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(s </span><span style="color:#97E1F1;font-style:italic;">string</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;">(s)</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> function.</span><span style="color:#97E1F1;">Delay</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">2</span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">time.Second, print, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">hello</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;">// hello</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/function</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:#1E754F;">var</span><span style="color:#393A34;"> </span><span style="color:#B07D48;">print</span><span style="color:#393A34;"> </span><span style="color:#999999;">=</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">s </span><span style="color:#AB5959;">string</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </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;">s</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;"> function</span><span style="color:#999999;">.</span><span style="color:#998418;">Delay</span><span style="color:#999999;">(</span><span style="color:#2F798A;">2</span><span style="color:#AB5959;">*</span><span style="color:#393A34;">time</span><span style="color:#999999;">.</span><span style="color:#393A34;">Second</span><span style="color:#999999;">,</span><span style="color:#393A34;"> print</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">hello</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;">// hello</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Schedule" tabindex="-1"><span id="Schedule">Schedule</span> <a class="header-anchor" href="#Schedule" aria-label="Permalink to &quot;&lt;span id=&quot;Schedule&quot;&gt;Schedule&lt;/span&gt;&quot;">​</a></h3><p>每次持续时间调用函数，直到关闭返回的 bool chan</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;">Schedule</span><span style="color:#F6F6F4;">(d time.Duration, fn any, args </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">any) </span><span style="color:#F286C4;">chan</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:#59873A;">Schedule</span><span style="color:#999999;">(</span><span style="color:#393A34;">d time</span><span style="color:#999999;">.</span><span style="color:#393A34;">Duration</span><span style="color:#999999;">,</span><span style="color:#393A34;"> fn any</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:#1E754F;">chan</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/hbON-Xeyn5N" 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/function</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;"> count </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#BF9EEE;">0</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> increase </span><span style="color:#F286C4;">:=</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;"> count</span><span style="color:#F286C4;">++</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> stop </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> function.</span><span style="color:#97E1F1;">Schedule</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">2</span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">time.Second, increase)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> time.</span><span style="color:#97E1F1;">Sleep</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;"> time.Second)</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">close</span><span style="color:#F6F6F4;">(stop)</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;">(count)</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;">// 2</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/function</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;">count</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">0</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">increase</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</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;"> count</span><span style="color:#AB5959;">++</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;"> </span><span style="color:#B07D48;">stop</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> function</span><span style="color:#999999;">.</span><span style="color:#998418;">Schedule</span><span style="color:#999999;">(</span><span style="color:#2F798A;">2</span><span style="color:#AB5959;">*</span><span style="color:#393A34;">time</span><span style="color:#999999;">.</span><span style="color:#393A34;">Second</span><span style="color:#999999;">,</span><span style="color:#393A34;"> increase</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> time</span><span style="color:#999999;">.</span><span style="color:#998418;">Sleep</span><span style="color:#999999;">(</span><span style="color:#2F798A;">2</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;"> time</span><span style="color:#999999;">.</span><span style="color:#393A34;">Second</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">close</span><span style="color:#999999;">(</span><span style="color:#393A34;">stop</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;">count</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;">// 2</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Pipeline" tabindex="-1"><span id="Pipeline">Pipeline</span> <a class="header-anchor" href="#Pipeline" aria-label="Permalink to &quot;&lt;span id=&quot;Pipeline&quot;&gt;Pipeline&lt;/span&gt;&quot;">​</a></h3><p>执行函数pipeline.</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;"> Pipeline[T any](funcs </span><span style="color:#F286C4;">...func</span><span style="color:#F6F6F4;">(T) T) </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(T) 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;"> Pipeline</span><span style="color:#999999;">[</span><span style="color:#393A34;">T any</span><span style="color:#999999;">](</span><span style="color:#393A34;">funcs </span><span style="color:#AB5959;">...</span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">T</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/mPdUVvj6HD6" 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/function</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;"> addOne </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(x </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> x </span><span style="color:#F286C4;">+</span><span style="color:#F6F6F4;"> </span><span style="color:#BF9EEE;">1</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</span></span>
<span class="line"><span style="color:#F6F6F4;"> double </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(x </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;"> x</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</span></span>
<span class="line"><span style="color:#F6F6F4;"> square </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(x </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> x </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;"> x</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fn </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> function.</span><span style="color:#97E1F1;">Pipeline</span><span style="color:#F6F6F4;">(addOne, double, square)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> result </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">fn</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">2</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;">(result)</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;">// 36</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/function</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;">addOne</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">x </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">int</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> x </span><span style="color:#AB5959;">+</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#999999;">}</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">double</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">x </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">int</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;"> x</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#999999;">}</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">square</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">x </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">int</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> x </span><span style="color:#AB5959;">*</span><span style="color:#393A34;"> x</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;"> </span><span style="color:#B07D48;">fn</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> function</span><span style="color:#999999;">.</span><span style="color:#998418;">Pipeline</span><span style="color:#999999;">(</span><span style="color:#393A34;">addOne</span><span style="color:#999999;">,</span><span style="color:#393A34;"> double</span><span style="color:#999999;">,</span><span style="color:#393A34;"> square</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#998418;">fn</span><span style="color:#999999;">(</span><span style="color:#2F798A;">2</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;">result</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;">// 36</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Watcher" tabindex="-1"><span id="Watcher">Watcher</span> <a class="header-anchor" href="#Watcher" aria-label="Permalink to &quot;&lt;span id=&quot;Watcher&quot;&gt;Watcher&lt;/span&gt;&quot;">​</a></h3><p>Watcher用于记录代码执行时间。可以启动/停止/重置手表定时器。获取函数执行的时间。</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;">Watcher</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;"> startTime </span><span style="color:#97E1F1;font-style:italic;">int64</span></span>
<span class="line"><span style="color:#F6F6F4;"> stopTime </span><span style="color:#97E1F1;font-style:italic;">int64</span></span>
<span class="line"><span style="color:#F6F6F4;"> excuting </span><span style="color:#97E1F1;font-style:italic;">bool</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">NewWatcher</span><span style="color:#F6F6F4;">() </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">Watcher</span></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (w </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">Watcher) </span><span style="color:#62E884;">Start</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (w </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">Watcher) </span><span style="color:#62E884;">Stop</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (w </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">Watcher) </span><span style="color:#62E884;">Reset</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> (w </span><span style="color:#F286C4;">*</span><span style="color:#F6F6F4;">Watcher) </span><span style="color:#62E884;">GetElapsedTime</span><span style="color:#F6F6F4;">() time.Duration</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;">Watcher</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;"> startTime </span><span style="color:#AB5959;">int64</span></span>
<span class="line"><span style="color:#393A34;"> stopTime </span><span style="color:#AB5959;">int64</span></span>
<span class="line"><span style="color:#393A34;"> excuting </span><span style="color:#AB5959;">bool</span></span>
<span class="line"><span style="color:#999999;">}</span></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">NewWatcher</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">Watcher</span></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">w </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">Watcher</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Start</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">w </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">Watcher</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Stop</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">w </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">Watcher</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Reset</span><span style="color:#999999;">()</span></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span><span style="color:#393A34;">w </span><span style="color:#AB5959;">*</span><span style="color:#393A34;">Watcher</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#59873A;">GetElapsedTime</span><span style="color:#999999;">()</span><span style="color:#393A34;"> time</span><span style="color:#999999;">.</span><span style="color:#393A34;">Duration</span></span></code></pre></div><p><b>示例:<span style="float:right;display:inline-block;"><a href="https://go.dev/play/p/l2yrOpCLd1I" 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/function</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;"> w </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> function.</span><span style="color:#97E1F1;">NewWatcher</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> w.</span><span style="color:#97E1F1;">Start</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">longRunningTask</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;">(w.excuting) </span><span style="color:#7B7F8B;">//true</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> w.</span><span style="color:#97E1F1;">Stop</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> eapsedTime </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> w.</span><span style="color:#97E1F1;">GetElapsedTime</span><span style="color:#F6F6F4;">().</span><span style="color:#97E1F1;">Milliseconds</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;">(eapsedTime)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> w.</span><span style="color:#97E1F1;">Reset</span><span style="color:#F6F6F4;">()</span></span>
<span class="line"></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;">longRunningTask</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">var</span><span style="color:#F6F6F4;"> slice []</span><span style="color:#97E1F1;font-style:italic;">int64</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">for</span><span style="color:#F6F6F4;"> i </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">; i </span><span style="color:#F286C4;">&lt;</span><span style="color:#F6F6F4;"> </span><span style="color:#BF9EEE;">10000000</span><span style="color:#F6F6F4;">; i</span><span style="color:#F286C4;">++</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> slice </span><span style="color:#F286C4;">=</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">append</span><span style="color:#F6F6F4;">(slice, </span><span style="color:#97E1F1;">int64</span><span style="color:#F6F6F4;">(i))</span></span>
<span class="line"><span style="color:#F6F6F4;"> }</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/function</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;">w</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> function</span><span style="color:#999999;">.</span><span style="color:#998418;">NewWatcher</span><span style="color:#999999;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> w</span><span style="color:#999999;">.</span><span style="color:#998418;">Start</span><span style="color:#999999;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#998418;">longRunningTask</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;">w</span><span style="color:#999999;">.</span><span style="color:#393A34;">excuting</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">//true</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> w</span><span style="color:#999999;">.</span><span style="color:#998418;">Stop</span><span style="color:#999999;">()</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">eapsedTime</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> w</span><span style="color:#999999;">.</span><span style="color:#998418;">GetElapsedTime</span><span style="color:#999999;">().</span><span style="color:#998418;">Milliseconds</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;">eapsedTime</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> w</span><span style="color:#999999;">.</span><span style="color:#998418;">Reset</span><span style="color:#999999;">()</span></span>
<span class="line"></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;">longRunningTask</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:#1E754F;">var</span><span style="color:#393A34;"> </span><span style="color:#B07D48;">slice</span><span style="color:#393A34;"> </span><span style="color:#999999;">[]</span><span style="color:#AB5959;">int64</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">for</span><span style="color:#393A34;"> </span><span style="color:#B07D48;">i</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">0</span><span style="color:#999999;">;</span><span style="color:#393A34;"> i </span><span style="color:#AB5959;">&lt;</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">10000000</span><span style="color:#999999;">;</span><span style="color:#393A34;"> i</span><span style="color:#AB5959;">++</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">slice</span><span style="color:#393A34;"> </span><span style="color:#999999;">=</span><span style="color:#393A34;"> </span><span style="color:#998418;">append</span><span style="color:#999999;">(</span><span style="color:#393A34;">slice</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#998418;">int64</span><span style="color:#999999;">(</span><span style="color:#393A34;">i</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 style="color:#999999;">}</span></span></code></pre></div>`,55),h=[c,t,r,y,F,i,A,u,d,E,f];function g(m,C,B,b,v,k){return p(),o("div",null,h)}const _=l(e,[["render",g]]);export{D as __pageData,_ as default};
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