Engineering a Rust optimization quiz

There are several Rust quizzes online, including one that’s literally called the “Unfair Rust Quiz” at https:&#x2F;&#x2F;this.quiz.is.fckn.gay&#x2F; , but when I was given the opportunity to record an episode of the Self-Directed Research podcast live on the main stage of EuroRust 2025 , I thought I’d come up with something special. The unfair rust quiz really deserves its name. It is best passed…