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                <ol class="chapter"><li class="chapter-item expanded affix "><a href="about-book.html">Rust 语言圣经</a></li><li class="chapter-item expanded affix "><a href="into-rust.html" class="active">进入 Rust 编程世界</a></li><li class="chapter-item expanded affix "><a href="index-list.html">快速查询入口</a></li><li class="spacer"></li><li class="chapter-item expanded affix "><a href="community.html">Rust 语言中文网</a></li><li class="chapter-item expanded affix "><a href="rusty-book.html">一本生锈的书</a></li><li class="chapter-item expanded affix "><a href="rust-weekly.html">Rust 语言周刊</a></li><li class="chapter-item expanded affix "><a href="rustt.html">Rust 翻译计划( 代号 Rustt )</a></li><li class="chapter-item expanded affix "><li class="part-title">快速开始</li><li class="spacer"></li><li class="chapter-item expanded "><a href="first-try/intro.html"><strong aria-hidden="true">1.</strong> 寻找牛刀，以便小试</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="first-try/installation.html"><strong aria-hidden="true">1.1.</strong> 安装 Rust 环境</a></li><li class="chapter-item "><a href="first-try/editor.html"><strong aria-hidden="true">1.2.</strong> 墙推 VSCode!</a></li><li class="chapter-item "><a href="first-try/cargo.html"><strong aria-hidden="true">1.3.</strong> 认识 Cargo</a></li><li class="chapter-item "><a href="first-try/hello-world.html"><strong aria-hidden="true">1.4.</strong> 不仅仅是 Hello world</a></li><li class="chapter-item "><a href="first-try/slowly-downloading.html"><strong aria-hidden="true">1.5.</strong> 下载依赖太慢了？</a></li><li class="chapter-item "><a href="first-try/sth-you-should-not-do.html"><strong aria-hidden="true">1.6.</strong> 避免从入门到放弃</a></li></ol></li><li class="chapter-item expanded "><li class="part-title">Rust 语言学习</li><li class="spacer"></li><li class="chapter-item expanded "><a href="basic/intro.html"><strong aria-hidden="true">2.</strong> Rust 基础入门</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="basic/variable.html"><strong aria-hidden="true">2.1.</strong> 变量绑定与解构</a></li><li class="chapter-item "><a href="basic/base-type/index.html"><strong aria-hidden="true">2.2.</strong> 基本类型</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="basic/base-type/numbers.html"><strong aria-hidden="true">2.2.1.</strong> 数值类型</a></li><li class="chapter-item "><a href="basic/base-type/char-bool.html"><strong aria-hidden="true">2.2.2.</strong> 字符、布尔、单元类型</a></li><li class="chapter-item "><a href="basic/base-type/statement-expression.html"><strong aria-hidden="true">2.2.3.</strong> 语句与表达式</a></li><li class="chapter-item "><a href="basic/base-type/function.html"><strong aria-hidden="true">2.2.4.</strong> 函数</a></li></ol></li><li class="chapter-item "><a href="basic/ownership/index.html"><strong aria-hidden="true">2.3.</strong> 所有权和借用</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="basic/ownership/ownership.html"><strong aria-hidden="true">2.3.1.</strong> 所有权</a></li><li class="chapter-item "><a href="basic/ownership/borrowing.html"><strong aria-hidden="true">2.3.2.</strong> 引用与借用</a></li></ol></li><li class="chapter-item "><a href="basic/compound-type/intro.html"><strong aria-hidden="true">2.4.</strong> 复合类型</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="basic/compound-type/string-slice.html"><strong aria-hidden="true">2.4.1.</strong> 字符串与切片</a></li><li class="chapter-item "><a href="basic/compound-type/tuple.html"><strong aria-hidden="true">2.4.2.</strong> 元组</a></li><li class="chapter-item "><a href="basic/compound-type/struct.html"><strong aria-hidden="true">2.4.3.</strong> 结构体</a></li><li class="chapter-item "><a href="basic/compound-type/enum.html"><strong aria-hidden="true">2.4.4.</strong> 枚举</a></li><li class="chapter-item "><a href="basic/compound-type/array.html"><strong aria-hidden="true">2.4.5.</strong> 数组</a></li></ol></li><li class="chapter-item "><a href="basic/flow-control.html"><strong aria-hidden="true">2.5.</strong> 流程控制</a></li><li class="chapter-item "><a href="basic/match-pattern/intro.html"><strong aria-hidden="true">2.6.</strong> 模式匹配</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="basic/match-pattern/match-if-let.html"><strong aria-hidden="true">2.6.1.</strong> match 和 if let</a></li><li class="chapter-item "><a href="basic/match-pattern/option.html"><strong aria-hidden="true">2.6.2.</strong> 解构 Option</a></li><li class="chapter-item "><a href="basic/match-pattern/pattern-match.html"><strong aria-hidden="true">2.6.3.</strong> 模式适用场景</a></li><li class="chapter-item "><a href="basic/match-pattern/all-patterns.html"><strong aria-hidden="true">2.6.4.</strong> 全模式列表</a></li></ol></li><li class="chapter-item "><a href="basic/method.html"><strong aria-hidden="true">2.7.</strong> 方法 Method</a></li><li class="chapter-item "><a href="basic/trait/intro.html"><strong aria-hidden="true">2.8.</strong> 泛型和特征</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="basic/trait/generic.html"><strong aria-hidden="true">2.8.1.</strong> 泛型 Generics</a></li><li class="chapter-item "><a href="basic/trait/trait.html"><strong aria-hidden="true">2.8.2.</strong> 特征 Trait</a></li><li class="chapter-item "><a href="basic/trait/trait-object.html"><strong aria-hidden="true">2.8.3.</strong> 特征对象</a></li><li class="chapter-item "><a href="basic/trait/advance-trait.html"><strong aria-hidden="true">2.8.4.</strong> 进一步深入特征</a></li></ol></li><li class="chapter-item "><a href="basic/collections/intro.html"><strong aria-hidden="true">2.9.</strong> 集合类型</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="basic/collections/vector.html"><strong aria-hidden="true">2.9.1.</strong> 动态数组 Vector</a></li><li class="chapter-item "><a href="basic/collections/hashmap.html"><strong aria-hidden="true">2.9.2.</strong> KV 存储 HashMap</a></li></ol></li><li class="chapter-item "><a href="basic/converse.html"><strong aria-hidden="true">2.10.</strong> 类型转换</a></li><li class="chapter-item "><a href="basic/result-error/intro.html"><strong aria-hidden="true">2.11.</strong> 返回值和错误处理</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="basic/result-error/panic.html"><strong aria-hidden="true">2.11.1.</strong> panic! 深入剖析</a></li><li class="chapter-item "><a href="basic/result-error/result.html"><strong aria-hidden="true">2.11.2.</strong> 返回值 Result 和?</a></li></ol></li><li class="chapter-item "><a href="basic/crate-module/intro.html"><strong aria-hidden="true">2.12.</strong> 包和模块</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="basic/crate-module/crate.html"><strong aria-hidden="true">2.12.1.</strong> 包 Crate</a></li><li class="chapter-item "><a href="basic/crate-module/module.html"><strong aria-hidden="true">2.12.2.</strong> 模块 Module</a></li><li class="chapter-item "><a href="basic/crate-module/use.html"><strong aria-hidden="true">2.12.3.</strong> 使用 use 引入模块及受限可见性</a></li></ol></li><li class="chapter-item "><a href="basic/comment.html"><strong aria-hidden="true">2.13.</strong> 注释和文档</a></li><li class="chapter-item "><a href="basic/formatted-output.html"><strong aria-hidden="true">2.14.</strong> 格式化输出</a></li></ol></li><li class="chapter-item expanded "><a href="advance/intro.html"><strong aria-hidden="true">3.</strong> Rust 高级进阶</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="advance/lifetime/intro.html"><strong aria-hidden="true">3.1.</strong> 生命周期</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="advance/lifetime/basic.html"><strong aria-hidden="true">3.1.1.</strong> 认识生命周期</a></li><li class="chapter-item "><a href="advance/lifetime/advance.html"><strong aria-hidden="true">3.1.2.</strong> 深入生命周期</a></li><li class="chapter-item "><a href="advance/lifetime/static.html"><strong aria-hidden="true">3.1.3.</strong> &'static 和 T: 'static</a></li></ol></li><li class="chapter-item "><a href="advance/functional-programing/intro.html"><strong aria-hidden="true">3.2.</strong> 函数式编程: 闭包、迭代器</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="advance/functional-programing/closure.html"><strong aria-hidden="true">3.2.1.</strong> 闭包 Closure</a></li><li class="chapter-item "><a href="advance/functional-programing/iterator.html"><strong aria-hidden="true">3.2.2.</strong> 迭代器 Iterator</a></li></ol></li><li class="chapter-item "><a href="advance/into-types/intro.html"><strong aria-hidden="true">3.3.</strong> 深入类型</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="advance/into-types/custom-type.html"><strong aria-hidden="true">3.3.1.</strong> newtype 和 类型别名</a></li><li class="chapter-item "><a href="advance/into-types/sized.html"><strong aria-hidden="true">3.3.2.</strong> Sized 和不定长类型 DST</a></li><li class="chapter-item "><a href="advance/into-types/enum-int.html"><strong aria-hidden="true">3.3.3.</strong> 枚举和整数</a></li></ol></li><li class="chapter-item "><a href="advance/smart-pointer/intro.html"><strong aria-hidden="true">3.4.</strong> 智能指针</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="advance/smart-pointer/box.html"><strong aria-hidden="true">3.4.1.</strong> Box堆对象分配</a></li><li class="chapter-item "><a href="advance/smart-pointer/deref.html"><strong aria-hidden="true">3.4.2.</strong> Deref 解引用</a></li><li class="chapter-item "><a href="advance/smart-pointer/drop.html"><strong aria-hidden="true">3.4.3.</strong> Drop 释放资源</a></li><li class="chapter-item "><a href="advance/smart-pointer/rc-arc.html"><strong aria-hidden="true">3.4.4.</strong> Rc 与 Arc 实现 1vN 所有权机制</a></li><li class="chapter-item "><a href="advance/smart-pointer/cell-refcell.html"><strong aria-hidden="true">3.4.5.</strong> Cell 与 RefCell 内部可变性</a></li></ol></li><li class="chapter-item "><a href="advance/circle-self-ref/intro.html"><strong aria-hidden="true">3.5.</strong> 循环引用与自引用</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="advance/circle-self-ref/circle-reference.html"><strong aria-hidden="true">3.5.1.</strong> Weak 与循环引用</a></li><li class="chapter-item "><a href="advance/circle-self-ref/self-referential.html"><strong aria-hidden="true">3.5.2.</strong> 结构体中的自引用</a></li></ol></li><li class="chapter-item "><a href="advance/concurrency-with-threads/intro.html"><strong aria-hidden="true">3.6.</strong> 多线程并发编程</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="advance/concurrency-with-threads/concurrency-parallelism.html"><strong aria-hidden="true">3.6.1.</strong> 并发和并行</a></li><li class="chapter-item "><a href="advance/concurrency-with-threads/thread.html"><strong aria-hidden="true">3.6.2.</strong> 使用多线程</a></li><li class="chapter-item "><a href="advance/concurrency-with-threads/message-passing.html"><strong aria-hidden="true">3.6.3.</strong> 线程同步：消息传递</a></li><li class="chapter-item "><a href="advance/concurrency-with-threads/sync1.html"><strong aria-hidden="true">3.6.4.</strong> 线程同步：锁、Condvar 和信号量</a></li><li class="chapter-item "><a href="advance/concurrency-with-threads/sync2.html"><strong aria-hidden="true">3.6.5.</strong> 线程同步：Atomic 原子操作与内存顺序</a></li><li class="chapter-item "><a href="advance/concurrency-with-threads/send-sync.html"><strong aria-hidden="true">3.6.6.</strong> 基于 Send 和 Sync 的线程安全</a></li><li class="chapter-item "><a href="advance/concurrency-with-threads/web-server.html"><strong aria-hidden="true">3.6.7.</strong> 实践应用：多线程 Web 服务器 todo</a></li></ol></li><li class="chapter-item "><a href="advance/global-variable.html"><strong aria-hidden="true">3.7.</strong> 全局变量</a></li><li class="chapter-item "><a href="advance/errors.html"><strong aria-hidden="true">3.8.</strong> 错误处理</a></li><li class="chapter-item "><a href="advance/unsafe/intro.html"><strong aria-hidden="true">3.9.</strong> Unsafe Rust</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="advance/unsafe/superpowers.html"><strong aria-hidden="true">3.9.1.</strong> 五种兵器</a></li><li class="chapter-item "><a href="advance/unsafe/inline-asm.html"><strong aria-hidden="true">3.9.2.</strong> 内联汇编 todo</a></li></ol></li><li class="chapter-item "><a href="advance/macro.html"><strong aria-hidden="true">3.10.</strong> Macro 宏编程</a></li></ol></li><li class="chapter-item expanded "><a href="async-rust/intro.html"><strong aria-hidden="true">4.</strong> Rust 异步编程</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="async-rust/async/intro.html"><strong aria-hidden="true">4.1.</strong> async/await 异步编程</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="async-rust/async/getting-started.html"><strong aria-hidden="true">4.1.1.</strong> async 编程入门</a></li><li class="chapter-item "><a href="async-rust/async/future-excuting.html"><strong aria-hidden="true">4.1.2.</strong> 底层探秘: Future 执行与任务调度</a></li><li class="chapter-item "><a href="async-rust/async/pin-unpin.html"><strong aria-hidden="true">4.1.3.</strong> 定海神针 Pin 和 Unpin</a></li><li class="chapter-item "><a href="async-rust/async/async-await.html"><strong aria-hidden="true">4.1.4.</strong> async/await 和 Stream 流处理</a></li><li class="chapter-item "><a href="async-rust/async/multi-futures-simultaneous.html"><strong aria-hidden="true">4.1.5.</strong> 同时运行多个 Future</a></li><li class="chapter-item "><a href="async-rust/async/pain-points-and-workarounds.html"><strong aria-hidden="true">4.1.6.</strong> 一些疑难问题的解决办法</a></li><li class="chapter-item "><a href="async-rust/async/web-server.html"><strong aria-hidden="true">4.1.7.</strong> 实践应用：Async Web 服务器</a></li></ol></li><li class="chapter-item "><a href="async-rust/tokio/intro.html"><strong aria-hidden="true">4.2.</strong> Tokio 使用指南</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="async-rust/tokio/overview.html"><strong aria-hidden="true">4.2.1.</strong> tokio 概览</a></li><li class="chapter-item "><a href="async-rust/tokio/getting-startted.html"><strong aria-hidden="true">4.2.2.</strong> 使用初印象</a></li><li class="chapter-item "><a href="async-rust/tokio/spawning.html"><strong aria-hidden="true">4.2.3.</strong> 创建异步任务</a></li><li class="chapter-item "><a href="async-rust/tokio/shared-state.html"><strong aria-hidden="true">4.2.4.</strong> 共享状态</a></li><li class="chapter-item "><a href="async-rust/tokio/channels.html"><strong aria-hidden="true">4.2.5.</strong> 消息传递</a></li><li class="chapter-item "><a href="async-rust/tokio/io.html"><strong aria-hidden="true">4.2.6.</strong> I/O</a></li><li class="chapter-item "><a href="async-rust/tokio/frame.html"><strong aria-hidden="true">4.2.7.</strong> 解析数据帧</a></li><li class="chapter-item "><a href="async-rust/tokio/async.html"><strong aria-hidden="true">4.2.8.</strong> 深入 async</a></li><li class="chapter-item "><a href="async-rust/tokio/select.html"><strong aria-hidden="true">4.2.9.</strong> select</a></li><li class="chapter-item "><a href="async-rust/tokio/stream.html"><strong aria-hidden="true">4.2.10.</strong> 类似迭代器的 Stream</a></li><li class="chapter-item "><a href="async-rust/tokio/graceful-shutdown.html"><strong aria-hidden="true">4.2.11.</strong> 优雅的关闭</a></li><li class="chapter-item "><a href="async-rust/tokio/bridging-with-sync.html"><strong aria-hidden="true">4.2.12.</strong> 异步跟同步共存</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="difficulties/intro.html"><strong aria-hidden="true">5.</strong> Rust 难点攻关</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="difficulties/slice.html"><strong aria-hidden="true">5.1.</strong> 切片和切片引用</a></li><li class="chapter-item "><a href="difficulties/eq.html"><strong aria-hidden="true">5.2.</strong> Eq 和 PartialEq</a></li><li class="chapter-item "><a href="difficulties/string.html"><strong aria-hidden="true">5.3.</strong> String、&str 和 str TODO</a></li><li class="chapter-item "><a href="difficulties/lifetime.html"><strong aria-hidden="true">5.4.</strong> 作用域、生命周期和 NLL TODO</a></li><li class="chapter-item "><a href="difficulties/move-copy.html"><strong aria-hidden="true">5.5.</strong> move、Copy 和 Clone TODO</a></li><li class="chapter-item "><a href="advance/difficulties/pointer.html"><strong aria-hidden="true">5.6.</strong> 裸指针、引用和智能指针 TODO</a></li></ol></li><li class="chapter-item expanded "><li class="part-title">常用工具链</li><li class="spacer"></li><li class="chapter-item expanded "><a href="test/intro.html"><strong aria-hidden="true">6.</strong> 自动化测试</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="test/write-tests.html"><strong aria-hidden="true">6.1.</strong> 编写测试及控制执行</a></li><li class="chapter-item "><a href="test/unit-integration-test.html"><strong aria-hidden="true">6.2.</strong> 单元测试和集成测试</a></li><li class="chapter-item "><a href="test/assertion.html"><strong aria-hidden="true">6.3.</strong> 断言 assertion</a></li><li class="chapter-item "><a href="test/ci.html"><strong aria-hidden="true">6.4.</strong> 用 GitHub Actions 进行持续集成</a></li><li class="chapter-item "><a href="test/benchmark.html"><strong aria-hidden="true">6.5.</strong> 基准测试 benchmark</a></li></ol></li><li class="chapter-item expanded "><a href="cargo/intro.html"><strong aria-hidden="true">7.</strong> Cargo 使用指南</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="cargo/getting-started.html"><strong aria-hidden="true">7.1.</strong> 上手使用</a></li><li class="chapter-item "><a href="cargo/guide/intro.html"><strong aria-hidden="true">7.2.</strong> 基础指南</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="cargo/guide/why-exist.html"><strong aria-hidden="true">7.2.1.</strong> 为何会有 Cargo</a></li><li class="chapter-item "><a href="cargo/guide/download-package.html"><strong aria-hidden="true">7.2.2.</strong> 下载并构建 Package</a></li><li class="chapter-item "><a href="cargo/guide/dependencies.html"><strong aria-hidden="true">7.2.3.</strong> 添加依赖</a></li><li class="chapter-item "><a href="cargo/guide/package-layout.html"><strong aria-hidden="true">7.2.4.</strong> Package 目录结构</a></li><li class="chapter-item "><a href="cargo/guide/cargo-toml-lock.html"><strong aria-hidden="true">7.2.5.</strong> Cargo.toml vs Cargo.lock</a></li><li class="chapter-item "><a href="cargo/guide/tests-ci.html"><strong aria-hidden="true">7.2.6.</strong> 测试和 CI</a></li><li class="chapter-item "><a href="cargo/guide/cargo-cache.html"><strong aria-hidden="true">7.2.7.</strong> Cargo 缓存</a></li><li class="chapter-item "><a href="cargo/guide/build-cache.html"><strong aria-hidden="true">7.2.8.</strong> Build 缓存</a></li></ol></li><li class="chapter-item "><a href="cargo/reference/intro.html"><strong aria-hidden="true">7.3.</strong> 进阶指南</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="cargo/reference/specify-deps.html"><strong aria-hidden="true">7.3.1.</strong> 指定依赖项</a></li><li class="chapter-item "><a href="cargo/reference/deps-overriding.html"><strong aria-hidden="true">7.3.2.</strong> 依赖覆盖</a></li><li class="chapter-item "><a href="cargo/reference/manifest.html"><strong aria-hidden="true">7.3.3.</strong> Cargo.toml 清单详解</a></li><li class="chapter-item "><a href="cargo/reference/cargo-target.html"><strong aria-hidden="true">7.3.4.</strong> Cargo Target</a></li><li class="chapter-item "><a href="cargo/reference/workspaces.html"><strong aria-hidden="true">7.3.5.</strong> 工作空间 Workspace</a></li><li class="chapter-item "><a href="cargo/reference/features/intro.html"><strong aria-hidden="true">7.3.6.</strong> 条件编译 Features</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="cargo/reference/features/examples.html"><strong aria-hidden="true">7.3.6.1.</strong> Features 示例</a></li></ol></li><li class="chapter-item "><a href="cargo/reference/profiles.html"><strong aria-hidden="true">7.3.7.</strong> 发布配置 Profile</a></li><li class="chapter-item "><a href="cargo/reference/configuration.html"><strong aria-hidden="true">7.3.8.</strong> 通过 config.toml 对 Cargo 进行配置</a></li><li class="chapter-item "><a href="cargo/reference/publishing-on-crates.io.html"><strong aria-hidden="true">7.3.9.</strong> 发布到 crates.io</a></li><li class="chapter-item "><a href="cargo/reference/build-script/intro.html"><strong aria-hidden="true">7.3.10.</strong> 构建脚本 build.rs</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="cargo/reference/build-script/examples.html"><strong aria-hidden="true">7.3.10.1.</strong> 构建脚本示例</a></li></ol></li></ol></li></ol></li><li class="chapter-item expanded "><li class="part-title">开发实践</li><li class="spacer"></li><li class="chapter-item expanded "><a href="usecases/intro.html"><strong aria-hidden="true">8.</strong> 企业落地实践</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="usecases/aws-rust.html"><strong aria-hidden="true">8.1.</strong> AWS 为何这么喜欢 Rust?</a></li></ol></li><li class="chapter-item expanded "><a href="logs/intro.html"><strong aria-hidden="true">9.</strong> 日志和监控</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="logs/about-log.html"><strong aria-hidden="true">9.1.</strong> 日志详解</a></li><li class="chapter-item "><a href="logs/log.html"><strong aria-hidden="true">9.2.</strong> 日志门面 log</a></li><li class="chapter-item "><a href="logs/tracing.html"><strong aria-hidden="true">9.3.</strong> 使用 tracing 记录日志</a></li><li class="chapter-item "><a href="logs/tracing-logger.html"><strong aria-hidden="true">9.4.</strong> 自定义 tracing 的输出格式</a></li><li class="chapter-item "><a href="logs/observe/intro.html"><strong aria-hidden="true">9.5.</strong> 监控</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="logs/observe/about-observe.html"><strong aria-hidden="true">9.5.1.</strong> 可观测性</a></li><li class="chapter-item "><a href="logs/observe/trace.html"><strong aria-hidden="true">9.5.2.</strong> 分布式追踪</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="practice/intro.html"><strong aria-hidden="true">10.</strong> Rust 最佳实践</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="practice/third-party-libs.html"><strong aria-hidden="true">10.1.</strong> 日常开发三方库精选</a></li><li class="chapter-item "><a href="practice/naming.html"><strong aria-hidden="true">10.2.</strong> 命名规范</a></li><li class="chapter-item "><a href="practice/interview.html"><strong aria-hidden="true">10.3.</strong> 面试经验</a></li><li class="chapter-item "><a href="practice/best-pratice.html"><strong aria-hidden="true">10.4.</strong> 代码开发实践 todo</a></li></ol></li><li class="chapter-item expanded "><a href="too-many-lists/intro.html"><strong aria-hidden="true">11.</strong> 手把手带你实现链表</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="too-many-lists/do-we-need-it.html"><strong aria-hidden="true">11.1.</strong> 我们到底需不需要链表</a></li><li class="chapter-item "><a href="too-many-lists/bad-stack/intro.html"><strong aria-hidden="true">11.2.</strong> 不太优秀的单向链表：栈</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="too-many-lists/bad-stack/layout.html"><strong aria-hidden="true">11.2.1.</strong> 数据布局</a></li><li class="chapter-item "><a href="too-many-lists/bad-stack/basic-operations.html"><strong aria-hidden="true">11.2.2.</strong> 基本操作</a></li><li class="chapter-item "><a href="too-many-lists/bad-stack/final-code.html"><strong aria-hidden="true">11.2.3.</strong> 最后实现</a></li></ol></li><li class="chapter-item "><a href="too-many-lists/ok-stack/intro.html"><strong aria-hidden="true">11.3.</strong> 还可以的单向链表</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="too-many-lists/ok-stack/type-optimizing.html"><strong aria-hidden="true">11.3.1.</strong> 优化类型定义</a></li><li class="chapter-item "><a href="too-many-lists/ok-stack/peek.html"><strong aria-hidden="true">11.3.2.</strong> 定义 Peek 函数</a></li><li class="chapter-item "><a href="too-many-lists/ok-stack/iter.html"><strong aria-hidden="true">11.3.3.</strong> IntoIter 和 Iter</a></li><li class="chapter-item "><a href="too-many-lists/ok-stack/itermut.html"><strong aria-hidden="true">11.3.4.</strong> IterMut 以及完整代码</a></li></ol></li><li class="chapter-item "><a href="too-many-lists/persistent-stack/intro.html"><strong aria-hidden="true">11.4.</strong> 持久化单向链表</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="too-many-lists/persistent-stack/layout.html"><strong aria-hidden="true">11.4.1.</strong> 数据布局和基本操作</a></li><li class="chapter-item "><a href="too-many-lists/persistent-stack/drop-arc.html"><strong aria-hidden="true">11.4.2.</strong> Drop、Arc 及完整代码</a></li></ol></li><li class="chapter-item "><a href="too-many-lists/deque/intro.html"><strong aria-hidden="true">11.5.</strong> 不咋样的双端队列</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="too-many-lists/deque/layout.html"><strong aria-hidden="true">11.5.1.</strong> 数据布局和基本操作</a></li><li class="chapter-item "><a href="too-many-lists/deque/peek.html"><strong aria-hidden="true">11.5.2.</strong> Peek</a></li><li class="chapter-item "><a href="too-many-lists/deque/symmetric.html"><strong aria-hidden="true">11.5.3.</strong> 基本操作的对称镜像</a></li><li class="chapter-item "><a href="too-many-lists/deque/iterator.html"><strong aria-hidden="true">11.5.4.</strong> 迭代器</a></li><li class="chapter-item "><a href="too-many-lists/deque/final-code.html"><strong aria-hidden="true">11.5.5.</strong> 最终代码</a></li></ol></li><li class="chapter-item "><a href="too-many-lists/unsafe-queue/intro.html"><strong aria-hidden="true">11.6.</strong> 不错的 unsafe 队列</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="too-many-lists/unsafe-queue/layout.html"><strong aria-hidden="true">11.6.1.</strong> 数据布局</a></li><li class="chapter-item "><a href="too-many-lists/unsafe-queue/basics.html"><strong aria-hidden="true">11.6.2.</strong> 基本操作</a></li><li class="chapter-item "><a href="too-many-lists/unsafe-queue/miri.html"><strong aria-hidden="true">11.6.3.</strong> Miri</a></li><li class="chapter-item "><a href="too-many-lists/unsafe-queue/stacked-borrow.html"><strong aria-hidden="true">11.6.4.</strong> 栈借用</a></li><li class="chapter-item "><a href="too-many-lists/unsafe-queue/testing-stacked-borrow.html"><strong aria-hidden="true">11.6.5.</strong> 测试栈借用</a></li><li class="chapter-item "><a href="too-many-lists/unsafe-queue/layout2.html"><strong aria-hidden="true">11.6.6.</strong> 数据布局 2</a></li><li class="chapter-item "><a href="too-many-lists/unsafe-queue/extra-junk.html"><strong aria-hidden="true">11.6.7.</strong> 额外的操作</a></li><li class="chapter-item "><a href="too-many-lists/unsafe-queue/final-code.html"><strong aria-hidden="true">11.6.8.</strong> 最终代码</a></li></ol></li><li class="chapter-item "><a href="too-many-lists/advanced-lists/intro.html"><strong aria-hidden="true">11.7.</strong> 使用高级技巧实现链表</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="too-many-lists/advanced-lists/unsafe-deque.html"><strong aria-hidden="true">11.7.1.</strong> 生产级可用的双向链表</a></li><li class="chapter-item "><a href="too-many-lists/advanced-lists/double-singly.html"><strong aria-hidden="true">11.7.2.</strong> 双单向链表</a></li><li class="chapter-item "><a href="too-many-lists/advanced-lists/stack-allocated.html"><strong aria-hidden="true">11.7.3.</strong> 栈上的链表</a></li></ol></li></ol></li><li class="chapter-item expanded "><li class="part-title">高级专题</li><li class="spacer"></li><li class="chapter-item expanded "><a href="compiler/intro.html"><strong aria-hidden="true">12.</strong> 征服编译错误</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="compiler/fight-with-compiler/intro.html"><strong aria-hidden="true">12.1.</strong> 对抗编译检查</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="compiler/fight-with-compiler/lifetime/intro.html"><strong aria-hidden="true">12.1.1.</strong> 生命周期</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="compiler/fight-with-compiler/lifetime/too-long1.html"><strong aria-hidden="true">12.1.1.1.</strong> 生命周期过大-01</a></li><li class="chapter-item "><a href="compiler/fight-with-compiler/lifetime/too-long2.html"><strong aria-hidden="true">12.1.1.2.</strong> 生命周期过大-02</a></li><li class="chapter-item "><a href="compiler/fight-with-compiler/lifetime/loop.html"><strong aria-hidden="true">12.1.1.3.</strong> 循环中的生命周期</a></li><li class="chapter-item "><a href="compiler/fight-with-compiler/lifetime/closure-with-static.html"><strong aria-hidden="true">12.1.1.4.</strong> 闭包碰到特征对象-01</a></li></ol></li><li class="chapter-item "><a href="compiler/fight-with-compiler/borrowing/intro.html"><strong aria-hidden="true">12.1.2.</strong> 重复借用</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="compiler/fight-with-compiler/borrowing/ref-exist-in-out-fn.html"><strong aria-hidden="true">12.1.2.1.</strong> 同时在函数内外使用引用</a></li><li class="chapter-item "><a href="compiler/fight-with-compiler/borrowing/borrow-distinct-fields-of-struct.html"><strong aria-hidden="true">12.1.2.2.</strong> 智能指针引起的重复借用错误</a></li></ol></li><li class="chapter-item "><a href="compiler/fight-with-compiler/unconstrained.html"><strong aria-hidden="true">12.1.3.</strong> 类型未限制(todo)</a></li><li class="chapter-item "><a href="compiler/fight-with-compiler/phantom-data.html"><strong aria-hidden="true">12.1.4.</strong> 幽灵数据(todo)</a></li></ol></li><li class="chapter-item "><a href="compiler/pitfalls/index.html"><strong aria-hidden="true">12.2.</strong> Rust 常见陷阱</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="compiler/pitfalls/use-vec-in-for.html"><strong aria-hidden="true">12.2.1.</strong> for 循环中使用外部数组</a></li><li class="chapter-item "><a href="compiler/pitfalls/stack-overflow.html"><strong aria-hidden="true">12.2.2.</strong> 线程类型导致的栈溢出</a></li><li class="chapter-item "><a href="compiler/pitfalls/arithmetic-overflow.html"><strong aria-hidden="true">12.2.3.</strong> 算术溢出导致的 panic</a></li><li class="chapter-item "><a href="compiler/pitfalls/closure-with-lifetime.html"><strong aria-hidden="true">12.2.4.</strong> 闭包中奇怪的生命周期</a></li><li class="chapter-item "><a href="compiler/pitfalls/the-disabled-mutability.html"><strong aria-hidden="true">12.2.5.</strong> 可变变量不可变？</a></li><li class="chapter-item "><a href="compiler/pitfalls/multiple-mutable-references.html"><strong aria-hidden="true">12.2.6.</strong> 可变借用失败引发的深入思考</a></li><li class="chapter-item "><a href="compiler/pitfalls/lazy-iterators.html"><strong aria-hidden="true">12.2.7.</strong> 不太勤快的迭代器</a></li><li class="chapter-item "><a href="compiler/pitfalls/weird-ranges.html"><strong aria-hidden="true">12.2.8.</strong> 奇怪的序列 x..y</a></li><li class="chapter-item "><a href="compiler/pitfalls/iterator-everywhere.html"><strong aria-hidden="true">12.2.9.</strong> 无处不在的迭代器</a></li><li class="chapter-item "><a href="compiler/pitfalls/main-with-channel-blocked.html"><strong aria-hidden="true">12.2.10.</strong> 线程间传递消息导致主线程无法结束</a></li><li class="chapter-item "><a href="compiler/pitfalls/utf8-performance.html"><strong aria-hidden="true">12.2.11.</strong> 警惕 UTF-8 引发的性能隐患</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="profiling/intro.html"><strong aria-hidden="true">13.</strong> Rust 性能优化 todo</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="profiling/memory/intro.html"><strong aria-hidden="true">13.1.</strong> 深入内存 todo</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="profiling/memory/pointer-ref.html"><strong aria-hidden="true">13.1.1.</strong> 指针和引用 todo</a></li><li class="chapter-item "><a href="profiling/memory/uninit.html"><strong aria-hidden="true">13.1.2.</strong> 未初始化内存 todo</a></li><li class="chapter-item "><a href="profiling/memory/allocation.html"><strong aria-hidden="true">13.1.3.</strong> 内存分配 todo</a></li><li class="chapter-item "><a href="profiling/memory/layout.html"><strong aria-hidden="true">13.1.4.</strong> 内存布局 todo</a></li><li class="chapter-item "><a href="profiling/memory/virtual.html"><strong aria-hidden="true">13.1.5.</strong> 虚拟内存 todo</a></li></ol></li><li class="chapter-item "><a href="profiling/performance/intro.html"><strong aria-hidden="true">13.2.</strong> 性能调优 doing</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="profiling/performance/string.html"><strong aria-hidden="true">13.2.1.</strong> 字符串操作性能</a></li><li class="chapter-item "><a href="profiling/performance/deep-into-move.html"><strong aria-hidden="true">13.2.2.</strong> 深入理解 move</a></li><li class="chapter-item "><a href="profiling/performance/early-optimise.html"><strong aria-hidden="true">13.2.3.</strong> 糟糕的提前优化 todo</a></li><li class="chapter-item "><a href="profiling/performance/clone-copy.html"><strong aria-hidden="true">13.2.4.</strong> Clone 和 Copy todo</a></li><li class="chapter-item "><a href="profiling/performance/runtime-check.html"><strong aria-hidden="true">13.2.5.</strong> 减少 Runtime check(todo)</a></li><li class="chapter-item "><a href="profiling/performance/cpu-cache.html"><strong aria-hidden="true">13.2.6.</strong> CPU 缓存性能优化 todo</a></li><li class="chapter-item "><a href="profiling/performance/calculate.html"><strong aria-hidden="true">13.2.7.</strong> 计算性能优化 todo</a></li><li class="chapter-item "><a href="profiling/performance/heap-stack.html"><strong aria-hidden="true">13.2.8.</strong> 堆和栈 todo</a></li><li class="chapter-item "><a href="profiling/performance/allocator.html"><strong aria-hidden="true">13.2.9.</strong> 内存 allocator todo</a></li><li class="chapter-item "><a href="profiling/performance/tools.html"><strong aria-hidden="true">13.2.10.</strong> 常用性能测试工具 todo</a></li><li class="chapter-item "><a href="profiling/performance/enum.html"><strong aria-hidden="true">13.2.11.</strong> Enum 内存优化 todo</a></li></ol></li><li class="chapter-item "><a href="profiling/compiler/intro.html"><strong aria-hidden="true">13.3.</strong> 编译优化 todo</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="profiling/compiler/llvm.html"><strong aria-hidden="true">13.3.1.</strong> LLVM todo</a></li><li class="chapter-item "><a href="profiling/compiler/attributes.html"><strong aria-hidden="true">13.3.2.</strong> 常见属性标记 todo</a></li><li class="chapter-item "><a href="profiling/compiler/speed-up.html"><strong aria-hidden="true">13.3.3.</strong> 提升编译速度 todo</a></li><li class="chapter-item "><a href="profiling/compiler/optimization/intro.html"><strong aria-hidden="true">13.3.4.</strong> 编译器优化 todo</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="profiling/compiler/optimization/option.html"><strong aria-hidden="true">13.3.4.1.</strong> Option 枚举 todo</a></li></ol></li></ol></li></ol></li><li class="chapter-item expanded "><a href="std/intro.html"><strong aria-hidden="true">14.</strong> 标准库解析 todo</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="std/search.html"><strong aria-hidden="true">14.1.</strong> 标准库使用最佳实践 todo</a></li><li class="chapter-item "><a href="std/vector.html"><strong aria-hidden="true">14.2.</strong> Vector 常用方法 todo</a></li><li class="chapter-item "><a href="std/hashmap.html"><strong aria-hidden="true">14.3.</strong> HashMap todo</a></li><li class="chapter-item "><a href="std/iterator.html"><strong aria-hidden="true">14.4.</strong> Iterator 常用方法 todo</a></li></ol></li><li class="chapter-item expanded "><li class="part-title">附录</li><li class="spacer"></li><li class="chapter-item expanded "><div><strong aria-hidden="true">15.</strong> Appendix</div><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="appendix/keywords.html"><strong aria-hidden="true">15.1.</strong> 关键字</a></li><li class="chapter-item "><a href="appendix/operators.html"><strong aria-hidden="true">15.2.</strong> 运算符与符号</a></li><li class="chapter-item "><a href="appendix/expressions.html"><strong aria-hidden="true">15.3.</strong> 表达式</a></li><li class="chapter-item "><a href="appendix/derive.html"><strong aria-hidden="true">15.4.</strong> 派生特征 trait</a></li><li class="chapter-item "><a href="appendix/prelude.html"><strong aria-hidden="true">15.5.</strong> prelude 模块 todo</a></li><li class="chapter-item "><a href="appendix/rust-version.html"><strong aria-hidden="true">15.6.</strong> Rust 版本说明</a></li><li class="chapter-item "><a href="appendix/rust-versions/intro.html"><strong aria-hidden="true">15.7.</strong> Rust 历次版本更新解读</a><a class="toggle"><div>❱</div></a></li><li><ol class="section"><li class="chapter-item "><a href="appendix/rust-versions/1.58.html"><strong aria-hidden="true">15.7.1.</strong> 1.58</a></li><li class="chapter-item "><a href="appendix/rust-versions/1.59.html"><strong aria-hidden="true">15.7.2.</strong> 1.59</a></li><li class="chapter-item "><a href="appendix/rust-versions/1.60.html"><strong aria-hidden="true">15.7.3.</strong> 1.60</a></li><li class="chapter-item "><a href="appendix/rust-versions/1.61.html"><strong aria-hidden="true">15.7.4.</strong> 1.61</a></li><li class="chapter-item "><a href="appendix/rust-versions/1.62.html"><strong aria-hidden="true">15.7.5.</strong> 1.62</a></li></ol></li></ol></li></ol>
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                        <img src="https://pic1.zhimg.com/80/v2-e9cfbd08d2ebca51b588d1beaed3c0dd_1440w.jpg" />
<div align="center">正在努力学 Rust 的 Ferris</div>
<br />
<h2 id="rust-发展历程"><a class="header" href="#rust-发展历程">Rust 发展历程</a></h2>
<p>Rust 最早是 Mozilla 雇员 Graydon Hoare 的个人项目。从 2009 年开始，得到了 Mozilla 研究院的资助。2010 年项目对外公布，2010 ～ 2011 年间实现自举。自此以后，Rust 在设计变化 -&gt; 崩溃的边缘反复横跳（历程极其艰辛）。终于，在 2015 年 5 月 15 日发布 1.0 版。</p>
<p>在此研发过程中，Rust 建立了一个强大且活跃社区，形成了一整套完善稳定的项目贡献机制（Rust 能够飞速发展，与这一点密不可分）。Rust 现在由 <a href="https://github.com/rust-lang/rust">Rust 项目开发者社区</a> 维护。</p>
<p>大家可能疑惑 Rust 为啥用了这么久才到 1.0 版本？与之相比，Go 语言 2009 年发布，却在 2012 年仅用 3 年就发布了 1.0 版本。</p>
<ul>
<li>首先，因为 Rust 语言特性较为复杂，所以需要全盘考虑的问题非常多；</li>
<li>其次，Rust 当时的参与者太多，七嘴八舌的声音很多，众口难调，而 Rust 开发团队又非常重视社区的意见；</li>
<li>最后，一旦 1.0 快速发布，那么后续大部分语言特性就无法再修改，对于有完美强迫症的 Rust 开发者团队来说，某种程度上的不完美是不可接受的。</li>
</ul>
<p>因此，Rust 语言用了足足 6 年时间，才发布了尽善尽美的 1.0 版本。</p>
<h2 id="为何又来了一门新语言"><a class="header" href="#为何又来了一门新语言">为何又来了一门新语言？</a></h2>
<p>简而言之，<strong>因为还缺一门无 GC 且无需手动内存管理、性能高、工程性强、语言级安全性以及能同时得到工程派和学院派认可的语言</strong>，而 Rust 就是这样的语言。你也可以回忆下熟悉的语言，看是不是有另外一门语言可以同时满足这些需求：)</p>
<p>Rust 最为人诟病的点，也就一个：学习曲线陡峭。不过其实严格来说，当语言生态起来后，这个不算问题。</p>
<h3 id="缓解内卷"><a class="header" href="#缓解内卷">缓解内卷</a></h3>
<p>有人说 Rust 作为新语言会增加内卷，其实恰恰相反，Rust 可以缓解内卷。为何不说 C++内卷，说 Java、Python、JS 内卷？不就是后几个相对简单、上手容易嘛？而 Rust 怎么看也是 C++ 级别的上手难度。</p>
<p>其实从我内心不可告人的角度出发，并不希望 Rust 大众化，因为这样可以保饭碗、保薪资，还能更有行业内地位。但是从对 Rust 的喜爱角度出发，我还是希望能卷一些。但是，目前来看真的卷不动，现在全世界范围内 Rust 的需求都大于供给，特别是优秀的 Rust 程序员更是难寻。</p>
<p>与 Go 语言相比，成为一个优秀的 Rust 程序员所需的门槛高得多，例如融汇贯通 Rust 语言各种中高级特性、闭着眼睛趟过各种坑、不用回忆无需查找就能立刻写出最合适的包/模块/方法、性能/安全/工程性的权衡选择信手拈来、深层性能优化易如反掌、异步编程小菜一碟，更别说 Rust 之外的操作系统、网络、算法等等相关知识。</p>
<p>所以，Rust 可以缓解内卷，而不是增加内卷。可以说是程序员的福音，不再是被随意替换的螺丝钉。</p>
<h3 id="效率"><a class="header" href="#效率">效率</a></h3>
<p>下面从三个角度来谈谈 Rust 的效率：学习、运行、开发。</p>
<h4 id="学习效率"><a class="header" href="#学习效率">学习效率</a></h4>
<p>众所周知，Rust 学习曲线陡峭。最初我对此说法还嗤之以鼻，随着不断的深入，我现在也很认可这个说法。Rust 之难，不在于语言特性，这些都可以很容易学到，而在于：</p>
<ul>
<li>实践中如何融会贯通的运用</li>
<li>遇到了坑时（生命周期、借用错误，自引用等）如何迅速、正确的解决</li>
<li>大量的标准库方法记忆及熟练使用，这些是保证开发效率的关键</li>
<li>心智负担较重，特别是初中级阶段</li>
</ul>
<p>好在，针对这些，目前国内有了一门非常全面的 <a href="https://github.com/sunface/rust-course">Rust 学习教程</a>（非官方那本书），可以有效降低 Rust 的学习和使用门槛。</p>
<h4 id="运行效率"><a class="header" href="#运行效率">运行效率</a></h4>
<p>得益于各种零开销抽象、深入到底层的优化潜力、优质的标准库和第三方库实现，Rust 具备非常优秀的性能，和 C、C++ 是 <a href="https://benchmarksgame-team.pages.debian.net/benchmarksgame/fastest/rust.html">一个级别</a>。</p>
<p>同时 Rust 有一个极大的好处：只要按照正确的方式使用 Rust，无需性能优化，就能实现非常优秀的表现，不可谓不惊艳。</p>
<p>现在有不少用 Rust 重写的工具、平台都超过了原来用 C、C++ 实现的版本，将老前辈拍死在沙滩上，俨然成为一种潮流～～</p>
<h4 id="开发效率"><a class="header" href="#开发效率">开发效率</a></h4>
<p>Rust 的开发效率可以用先抑后扬来形容。在刚开始上手写项目时，你的开发速度将显著慢于 Go、Java 等语言，不过，一旦开始熟悉标准库常用的方法，开发效率将大幅提升，甚至当形成肌肉记忆后，开发效率将不会慢于这些语言，而且原生就能写出高质量、安全、高效的代码，可以说中高级 Rust 程序员就是高效程序员的代名词。</p>
<h3 id="个人的好处"><a class="header" href="#个人的好处">个人的好处</a></h3>
<p>学习 Rust 对个人也有极大的好处。</p>
<h4 id="成为更好的程序员"><a class="header" href="#成为更好的程序员">成为更好的程序员</a></h4>
<p>要学好 Rust，你需要深入理解内存、堆栈、引用、变量作用域等这些其它高级语言往往不会深入接触的内容。另外，Rust 会通过语法、编译器和 clippy 这些静态检查工具半帮助半强迫的让你成为更优秀的程序员，写出更好的代码。</p>
<p>同时，当你掌握了 Rust，你就会自发性的想要去做一些更偏底层的事情，这些都可以帮助你更加了解操作系统、网络、性能优化等底层知识，也会间接或者直接的接触到各种算法和数据结构的实现。</p>
<p>慢慢的，你就在成为那个更好的程序员，也是更优秀的自己。</p>
<h4 id="增加不可替代性"><a class="header" href="#增加不可替代性">增加不可替代性</a></h4>
<p>语言难学，也有好处。一旦掌握，你将具备较强的不可替代性，不再是一个简单的工具人角色。看看现在内卷严重的 Java，工具人有多少！一个人离职，另外一个人很快就能替补上。</p>
<p>当然，我不是说 Rust 会给公司带来这种隐形的维护成本，毕竟这其实是一种双赢，公司收获了更优秀的程序员（不可否认的是 Rust 程序员普遍来说水平确实更高，毕竟都是有很好的其它语言基础、也很有追求的自驱型人才），而你也收获了更稳定的工作环境，甚至是更高的收入。</p>
<h3 id="团队的好处"><a class="header" href="#团队的好处">团队的好处</a></h3>
<p>先不说安全、可靠性等对公司团队非常友好的特性，就说 Rust 程序只要能跑起来，那代码质量其实就是相当不错的，因为 Rust 编译器、clippy 啥的实在是严师厉友，甚至有些鸡毛。</p>
<p>正因为这较高的质量下限，我们在 review 时并不用担心潜在的各种坑，因此可以实现快速的开发、review、merge 流程。</p>
<p>而且由于 Rust 语言拥有异常强大的编译器和语言特性，因此 Rust 的代码天然就会比其它语言有更少的 Bug。同时 Rust 拥有非常完善的工具链，最好的包管理工具，这些叠加在一起，决定了 Rust 非常适合大型开发者团队的协作开发。</p>
<p>也许 Rust 在开发速度上不是最快的，但是从开发 + 维护的角度来看，这个成本在各个语言中绝对是很小的。当然，如果你的公司就追求做出来能用就行，那 Rust 确实有些灰姑娘的感觉。</p>
<p>还有一点很重要，现在的 Rust 程序员往往拥有更出众的能力和学习自驱性，因此团队招到的人天然就保持了较高的底线。如果你有幸招到一个优秀的 Rust 程序员，那真是捡到宝了，他也会同时带动周围的人一起慢慢优秀（优秀的 Rust 程序员比较好辨别，门槛低的语言就并没有那么好辨别）。总之，一个这样的程序员会给团队带来远超他薪资的潜在回报和长远收益。</p>
<h3 id="开源"><a class="header" href="#开源">开源</a></h3>
<p>目前 Rust 的主战场是在开源上，Go 的成功也证明了农村包围城市的可行性。</p>
<ul>
<li>UI 层开发，Rust 的 WASM 发展的如火如荼，隐隐有王者风范，在 JS 的基础设施领域，Rust 也是如鱼得水，例如 <code>swc</code>、 <code>deno</code> 等。同时 <code>nextjs</code> 也是押宝 Rust，可以说 Rust 在前端的成功完全是无心插柳柳成荫。</li>
<li>基础设施层，数据库、搜索引擎、网络设施、云原生等都在出现 Rust 的身影，而且还不少。</li>
<li>系统开发，目前 Linux 已经将 Rust 列为即将支持的内核开发语言，是继 C 语言后第二门支持内核开发的语言，不过刚开始将主要支持驱动开发。</li>
<li>系统工具，现在最流行的就是用 Rust 重写之前 C、C++ 写的一票系统工具，还都获得了挺高的关注和很好的效果，例如 sd, exa, ripgrep, fd, bat 等。</li>
<li>操作系统，现在在使用 Rust 开发的操作系统有好几个，其中最有名的可能就是谷歌的 Fuchsia，Rust 在其中扮演非常重要的角色。</li>
<li>区块链，目前 Rust 和 Go 可以说各领风骚，未来 Rust 可能会一统江湖。</li>
</ul>
<p>类似的还有很多，我们就不一一列举。总之，现在有大量的项目在被用 Rust 重写，同时还有海量的项目在等待被重写，这些都是赚取 star 和认可的好机会。在其它语言杀成一片红海时，Rust 还留了一大片蓝海等待大家的探索！</p>
<h3 id="相比其他语言-rust-的优势"><a class="header" href="#相比其他语言-rust-的优势">相比其他语言 Rust 的优势</a></h3>
<p>由于篇幅有限，我们这里不会讲述详细的对比，就是简单介绍下 Rust 的优势。并不是说 Rust 就优于这些语言，大家轻喷：)</p>
<h4 id="go"><a class="header" href="#go">Go</a></h4>
<p>Rust 语言表达能力更强，性能更高。同时线程安全方面 Rust 也更强，不容易写出错误的代码。包管理 Rust 也更好，Go 虽然在 1.10 版本后提供了包管理，但是目前还比不上 Rust 的。</p>
<h4 id="c"><a class="header" href="#c">C++</a></h4>
<p>与 C++ 相比，Rust 的性能相差无几，但是在安全性方面会更优，特别是使用第三方库时，Rust 的严格要求会让第三方库的质量明显高很多。</p>
<p>语言本身的学习，Rust 的前中期学习曲线会更陡峭，但是对于未来使用场景和生态的学习，C++ 会更难，更复杂。</p>
<h4 id="java"><a class="header" href="#java">Java</a></h4>
<p>除了极少部分纯粹的数字计算性能，Rust 的性能是全面领先于 Java 的。同时 Rust 占用内存小的多，因此实现同等规模的服务，Rust 所需的硬件成本会显著降低。</p>
<h4 id="python"><a class="header" href="#python">Python</a></h4>
<p>性能自然是 Rust 完胜，同时 Rust 对运行环境要求较低，这两点差不多就足够抉择了。不过 Python 和 Rust 的彼此适用面其实也不太冲突。</p>
<h3 id="使用现状"><a class="header" href="#使用现状">使用现状</a></h3>
<ul>
<li>AWS 从 2017 年开始就用 Rust 实现了无服务器计算平台： AWS Lambda 和 AWS Fargate，并且用 Rust 重写了 Bottlerocket OS 和 AWS Nitro 系统，这两个是弹性计算云 (EC2) 的重要服务</li>
<li>Cloudflare 是 Rust 的重度用户，DNS、无服务计算、网络包监控等基础设施都与 Rust 密不可分</li>
<li>Dropbox 的底层存储服务完全由 Rust 重写，达到了数万 PB 的规模</li>
<li>Google 除了在安卓系统的部分模块中使用 Rust 外，还在它最新的操作系统 Fuchsia 中重度使用 Rust</li>
<li>Facebook 使用 Rust 来增强自己的网页端、移动端和 API 服务的性能，同时还写了 Hack 编程语言的虚拟机</li>
<li>Microsoft 使用 Rust 为 Azure 平台提供一些组件，其中包括 IoT 的核心服务</li>
<li>GitHub 和 npmjs.com，使用 Rust 提供高达每天 13 亿次的 npm 包下载</li>
<li>Rust 目前已经成为全世界区块链平台的首选开发语言</li>
<li>TiDB，国内最有名的开源分布式数据库</li>
</ul>
<p>尤其值得一提的是，AWS 实际上在押宝 Rust，未来对 Rust 的使用可能很快会上升到 <strong>first-class</strong> 的地位。</p>
<h2 id="rust-语言版本更新"><a class="header" href="#rust-语言版本更新">Rust 语言版本更新</a></h2>
<p>与其它语言相比，Rust 的更新迭代较为频繁（得益于精心设计过的发布流程以及 Rust 语言开发者团队的严格管理）：</p>
<ul>
<li>每 6 周发布一个迭代版本</li>
<li>2-3 年发布一个新的大版本：Rust 2018 edition，Rust 2021 edition</li>
</ul>
<p>好处在于，可以满足不同的用户群体的需求：</p>
<ul>
<li>对于活跃的 Rust 用户，他们总是能很快获取到新的语言内容，毕竟，尝鲜是技术爱好者的共同特点：)</li>
<li>对于一般的用户，edition 大版本的发布会告诉他们：Rust 语言相比上次大版本发布，有了重大的改进，值得一看</li>
<li>对于 Rust 语言开发者，可以让他们的工作成果更快的被世人所知，不必锦衣夜行</li>
</ul>
<p>好了，相信大家听了这么多 Rust 的优点，已经迫不及待想要开始学习旅程，那么容我引用一句 CS（Counter-Strike：反恐精英） 的经典台词：Ok, Let's go.</p>
<h2 id="总结"><a class="header" href="#总结">总结</a></h2>
<p>连续 6 年最受欢迎的语言当然不是浪得虚名。 无 GC、效率高、工程性强、强安全性以及能同时得到工程派和学院派认可，这些令 Rust 拥有了自己的特色和生存空间。社区的友善，生态的快速发展，大公司的重仓跟进，一切的一切都在说明 Rust 的未来。</p>
<p>当然，语言毕竟只是工具，我们不能神话它，但是可以给它一个机会，也许，你最终能收获自己的真爱。：)</p>
<blockquote>
<p>本书是完全开源的，但是并不意味着质量上的妥协，这里的每一个章节都花费了大量的心血和时间才能完成，为此牺牲了陪伴家人、日常娱乐的时间，虽然我们并不后悔，但是如果能得到读者您的鼓励，我们将感激不尽。</p>
<p>既然是开源，那最大的鼓励不是 money，而是 star:) <strong>如果大家觉得这本书作者真的用心了，就帮我们<a href="https://github.com/sunface/rust-course">点一个 🌟 </a>吧，这将是我们继续前行最大的动力</strong></p>
</blockquote>

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