by Steve Klabnik and Carol Nichols, with contributions from the Rust Community
Welcome to The Rust Programming Language book! This version of the text assumes you’re using Rust 1.31.0 or later with
edition="2018" in Cargo.toml of all projects to use Rust 2018 Edition idioms. See the “Installation” section of Chapter 1 to install or update Rust, and see the new Appendix E for information on what editions of Rust are.
The 2018 Edition of the Rust language includes a number of improvements that make Rust more ergonomic and easier to learn. This printing of the book contains a number of changes to reflect those improvements:
Result<T, E>in Tests” that shows how to write tests that use the
Note that any code in the first printing of The Rust Programming Language that compiled will continue to compile without
edition="2018" in the project’s Cargo.toml, even as you update the Rust compiler version you’re using. That’s Rust’s backward compatibility guarantees at work!
The HTML format is available online at https://doc.rust-lang.org/stable/book/ and offline with installations of Rust made with
rustup docs --book to open.
This text is available in paperback and ebook format from No Starch Press.
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.