Deferred) • Deliver to a queue • Callback registry (e.g. POSIX signals) Regardless of which type of interface is used, asynchronous functions by definition interact differently with their callers; there is return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error page, override flexible templating language. This section describes that language as well as related issues such as internationalization. Tornado can also be used with any other Python template language, although there

Deferred) Deliver to a queue Callback registry (e.g. POSIX signals) Regardless of which type of interface is used, asynchronous functions by definition interact differently with their callers; there is return a 500 status. The default error page includes a stack trace in debug mode and a one-line description of the error (e.g. “500: Internal Server Error”) otherwise. To produce a custom error page, override flexible templating language. This section describes that language as well as related issues such as internationalization. Tornado can also be used with any other Python template language, although there

和 Aaron Turon 6/562Rust 程序设计语言 简体中文版 简介 注意：此书的英文原版与 No Starch Press 出版的《The Rust Programming Language》纸质版和电子版一致。 欢迎阅读《Rust 程序设计语言》，这是一本关于 Rust 的入门书籍。Rust 程序设计语言能帮助 你编写更快、更可靠的软件。在编程语言设计中，高层的工程学与底层的控制往往是难以兼得 阅读。运行 rustup doc 在浏览器中查看本地 文档。 任何时候，如果你拿不准标准库中的类型或函数的用途和用法，请查阅应用程序接口 （application programming interface，API）文档！ 文本编辑器和集成开发环境（Integrated Development Environments, IDE） 本书不会假设你使用何种工具来编写 Rust 代码。几乎任何文本编辑器都可以搞定！然而，很 0" edition = "2024" 18/562Rust 程序设计语言 简体中文版 [dependencies] 这个文件使用 TOML (Tom’s Obvious, Minimal Language) 格式，这是 Cargo 配置文件的格式。 第一行，[package]，是一个片段 section 标题，表明下面的语句用来配置一个包。随着我们 在这个文件增加更多的信息，还将增加其他 section。