<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Higher-Order-Function on PlumePHP</title><link>https://plumephp.com/tags/higher-order-function/</link><description>Recent content in Higher-Order-Function on PlumePHP</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Sun, 27 Sep 2026 10:00:00 +0800</lastBuildDate><atom:link href="https://plumephp.com/tags/higher-order-function/index.xml" rel="self" type="application/rss+xml"/><item><title>Scala 函数式编程实战：不可变、纯函数、高阶函数与 Option</title><link>https://plumephp.com/scala-functional-programming/</link><pubDate>Sun, 27 Sep 2026 10:00:00 +0800</pubDate><guid>https://plumephp.com/scala-functional-programming/</guid><description>&lt;h2 id="引言"&gt;引言&lt;/h2&gt;
&lt;p&gt;Scala 是一门多范式语言，但函数式编程（FP）是它区别于 Java 的「灵魂」。很多 Java 开发者转向 Scala，最先遇到的困惑不是语法，而是&lt;strong&gt;思维模式的转变&lt;/strong&gt;：不再问「怎么改状态」，而是问「怎么用表达式描述计算」。&lt;/p&gt;</description></item></channel></rss>