Using Rust and WASM
summary
Rust compiled to WASM claims near‑native speed for CPU‑heavy work and shows concrete steps: add the wasm32-unknown-unknown target, install wasm-pack, and use wasm-bindgen plus js‑sys/web‑sys to produce a .wasm plus JS glue and TypeScript types. Use wasm‑opt and wee_alloc to shrink binaries, generate source maps for debugging, and run the module from a simple static server. Works well for games, neural nets, video filters and crypto; watch out for large downloads, limited web APIs and cross‑call overhead—combine calls and use web workers.
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chapters (10)
- 0:00intro
- 0:26what is webassembly?
- 1:28why rust developers should care about webassembly
- 1:58key benefits of webassembly
- 5:12webassembly in action: use cases
- 8:30building your first webassembly application
- 12:42optimizing webassembly performance
- 14:11integration with javascript
- 17:25challenges and limitations of webassembly
- 19:05conclusion and final thoughts








