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!
He'll even show hot-swapping WebAssembly modules to control LEDs on a Raspberry Pi.
Rust is the programming language, and Wasm is a binary format that basically allows you to write super fast performing client-side code. Should you learn it now? Or is Rust and Wasm a need-to-nerd technology? What is Rust? What is WebAssembly (Wasm)? Rust is a multi-paradigm system programming language focused on safety, especially safe concurrency. WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine.
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If you've written some Rust code, you can compile it into WebAssembly! This WebAssembly tutorial takes you through all you need to know to compile a Rust project to wasm and use it in an existing Web App.