(e.g. POSIX signals) Regardless of which type of interface is used, asynchronous functions by definition interact differently with their callers; there is no free way to make a synchronous function asynchronous handler can access the object representing the current request with self.request. See the class definition for HTTPServerRequest for a complete list of attributes. Request data in the formats used by HTML json_encode can be used to escape strings, numbers, lists, and dicts. In this example, the JavaScript variable x will be the corresponding JavaScript 28 Chapter 6. DocumentationTornado Documentation, Release

(e.g. POSIX signals) Regardless of which type of interface is used, asynchronous functions by definition interact differently with their callers; there is no free way to make a synchronousfunction asynchronous handler can access the object representing the current request with self.request. See the class definition for HTTPServerRequest for a complete list of attributes. Request data in the formats used by HTML json_encode can be used to escape strings, numbers, lists, and dicts. In this example, the JavaScript variable x will be the corresponding JavaScript type (string, number, array, or object), and not the JSON-encoded

"); println!("Please input your guess."); 这些代码仅仅打印提示，介绍游戏的内容然后请求用户输入。 使用变量储存值 接下来，创建一个 变量（variable）来储存用户输入，像这样： 23/562Rust 程序设计语言 简体中文版 let mut guess = String::new(); 现在程序开始变得有意思了！这一小行代码发生了很多事。我们使用 type a number!: ParseIntError { kind: InvalidDigit } note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace 输入 quit 将会退出程序，同时你会注意到其他任何非数字输入也一样。这至少可以说是不理 想的，我们想要当猜测正确的数字时游戏停止。 猜测正确后退出 Compiling variables v0.1.0 (file:///projects/variables) error[E0384]: cannot assign twice to immutable variable `x` --> src/main.rs:4:5 | 2 | let x = 5; | - first assignment to `x` 3 | println