With over 50,000 copies sold, The Rust Programming Language is the quintessential guide to programming in Rust. Thoroughly updated to Rust's latest version, this edition is considered the language's official documentation. The Rust Programming Language, 2nd Edition is the official language guide for Rust 2021, and the best way to get started with Rust. The new edition includes a quick-reference section on organizing code with modules, and improved closure examples of captures, the move keyboard, and Fn traits. From web apps to operating systems, Rust is the safe, fast, reliable programming language used for an expansive variety of applications. Revised and updated by the original authors, the second edition of The Rust Programming Language shows readers how to take full advantage of Rust 2021 features, from installation to creating robust and scalable programs. It begins with the basics, like creating functions and binding variables, then moves on to more advanced concepts, like error handling, refactoring, multithreading, and pattern matching. In addition, readers will find advice on updating older Rust code, the latest compiler error-message improvements, and enhanced explanations and examples throughout.