Learning to Love the Unfamiliar
summary
Ports a small file‑processing script to Rust and shows why idioms matter: to_digit returns an Option (Some/None) so calling unwrap panics on invalid input; error propagation uses Result (Ok/Err) and the try/try! pattern to return errors to callers; tests can be inline or in a tests/ folder where each file compiles as its own crate, and Rust runs tests randomly and in parallel which breaks shared‑IO tests. Survey figure: about three weeks to cross the hump.
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chapters (8)
- 0:00Start
- 2:18Frustration
- 3:20Python Code
- 11:25Pattern Matching
- 16:51Mapping the Error
- 20:58Random Order Testing
- 21:34Parallel Testing
- 25:10Definition of Frustrate
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