I recently wrapped up a job where I spent the last two years writing the backend of a B2B SaaS product in Rust, so now is the ideal time to reflect on the experience and write about it. Contents Learning The Good Performance Tooling Type Safety Error Handling The Borrow Checker Async Refactoring Hiring Affect The Bad The Module System Build Performance Mocking Expressive Power Learning I didn’t learn Rust the usual way: by reading tutorials, or books; or writing tiny projects. Rather, I would sa...