Underrated gems of Rust & WebAssembly: Errors, Async, I/O
summary
Concrete recipes and results: a Rust library compiles with wasm-bindgen and uses SD panic hooks and wasm-logger to capture panic info and surface usable JS Error objects; async Rust maps to promises via wasm-bindgen-futures so Tokio-style code can run in JS; IO comes from delegating to JavaScript on Cloudflare Workers and calling a D1 sqlite instance, demonstrated by a working query-engine prototype that translates JSON into SQL, runs queries, and returns results.
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chapters (10)
- 0:00Introduction
- 1:13WebAssembly
- 4:19Errors
- 13:21Async functions
- 15:33Synchronous functions
- 16:29WebAssembly IO
- 19:02Async JavaScript
- 22:06Summary
- 23:58Workshop
- 24:28Demo
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