Programming WebAssembly with Rust (PragProg)

WebAssembly fulfills the long-awaited promise of web technologies: fast code, type-safe at compile time, execution in the browser, on embedded devices, or anywhere else. Rust delivers the power of C in a language that strictly enforces type safety. Combine both languages and you can write for the web like never before.

Kevin Hoffman

edited by Andrea Stewart

WebAssembly fulfills the long-awaited promise of web technologies: fast code, type-safe at compile time, execution in the browser, on embedded devices, or anywhere else. Rust delivers the power of C in a language that strictly enforces type safety. Combine both languages and you can write for the web like never before.

Learn how to integrate with JavaScript, run code on platforms other than the browser, and take a step into IoT. Discover the easy way to build cross-platform applications without sacrificing power. Learn how to compile WebAssembly modules from Rust. Apply your new skills to the world of non-web hosts and create everything from an app running on a Raspberry Pi that controls a lighting system to a fully-functioning online multiplayer game engine where developers upload their own WebAssembly modules.

Get started with WebAssembly today, and change the way you think about the web.


“Concise and well-paced, this book quickly dives into the details of WebAssembly, letting readers get their hands dirty building interesting Wasm applications. It’s loaded with great examples and touches on many different aspects of programming while paving the trail for WebAssembly development.”

–Sean Boyle, Senior Software Engineer, Cerner


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