https://plumephp.com/tags/derive/Recent content in Derive on PlumePHPHugozh-CNMon, 28 Sep 2026 14:00:00 +0800https://plumephp.com/rust-macros-metaprogramming/Mon, 28 Sep 2026 14:00:00 +0800https://plumephp.com/rust-macros-metaprogramming/<h2 id="目录">目录</h2> <ol> <li><a href="#1-%E5%AE%8F%E7%9A%84%E5%AE%9A%E4%BD%8D%E4%B8%8E%E5%88%86%E7%B1%BB">宏的定位与分类</a></li> <li><a href="#2-%E5%A3%B0%E6%98%8E%E5%AE%8F-macro_rules">声明宏 macro_rules!</a></li> <li><a href="#3-%E5%8C%B9%E9%85%8D%E8%A7%84%E5%88%99%E4%B8%8E-token-%E6%B5%81">匹配规则与 token 流</a></li> <li><a href="#4-%E8%BF%87%E7%A8%8B%E5%AE%8F%E4%B8%89%E5%A4%A7%E7%B1%BB">过程宏三大类</a></li> <li><a href="#5-syn--quote-%E6%93%8D%E4%BD%9C-ast">syn + quote 操作 AST</a></li> <li><a href="#6-derive-%E5%AE%8F%E5%AE%9E%E6%88%98">derive 宏实战</a></li> <li><a href="#7-%E5%B1%9E%E6%80%A7%E5%AE%8F%E4%B8%8E%E5%87%BD%E6%95%B0%E5%AE%8F">属性宏与函数宏</a></li> <li><a href="#8-%E5%AE%8F%E8%B0%83%E8%AF%95%E4%B8%8E%E9%99%B7%E9%98%B1">宏调试与陷阱</a></li> <li><a href="#9-%E5%AE%8F%E5%9C%A8%E7%94%9F%E6%80%81%E4%B8%AD%E7%9A%84%E7%BB%8F%E5%85%B8%E5%BA%94%E7%94%A8">宏在生态中的经典应用</a></li> <li><a href="#10-%E9%80%9F%E6%9F%A5%E8%A1%A8%E4%B8%8E%E6%9C%80%E4%BD%B3%E5%AE%9E%E8%B7%B5">速查表与最佳实践</a></li> </ol> <hr> <h2 id="1-宏的定位与分类">1. 宏的定位与分类</h2> <p>Rust 宏是在编译期生成代码的元编程工具，与 C 宏（纯文本替换）不同，Rust 宏<strong>在 token 层操作且遵守作用域规则</strong>。</p>