Rust Error Handling Patterns I Actually Use in Production

If this is useful, a ❤️ helps others find it. All tests run on an 8-year-old MacBook Air. Every Rust tutorial covers Result and ? . Few cover what to actually do when you have 5 different error types flying around a real application. Here's what I settled on after shipping multiple Tauri apps. The problem: heterogeneous errors A PDF processing command might fail due to: IO error (file not found) lopdf parse error (malformed PDF) Encryption error (wrong key) Swift sidecar error (process failed) S