Why can't i implement a trait for a single function?

· Users Rust Lang · Nov. 10, 2026, 11:13 p.m.
Summary
The blog post discusses the challenges of implementing a trait for a single function in Rust, presenting an example involving `fn` and `dyn Fn()` types, and suggesting that it may be unnecessary to use enums to achieve the desired functionality. It highlights a specific coding question raised by a community member.