Please - give me cases that break this generic implementation of map() etc

46 · Users Rust Lang · June 2, 2026, 12:49 p.m.
Summary
The blog post discusses the implementation of generic methods for transforming TryTypes in Rust, drawing inspiration from `Option` and `Result`. The author seeks feedback on potential cases where their implementation might fail. It emphasizes the importance of defining methods for different cases in type transformations and invites community input for improvement.