Ace the Rust Interview

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The curriculum, drills, tutor, and interviewer mode are for readers of Ace the Rust Interview. The code is printed in the Preface (Companion site access).

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beginner · order 31

Resist Box::leak

borrow-static-01Related book chapters: 6, 11 (optional — this page is complete on its own)staticBox-leak

Slug: borrow-static-01 · Paired reading: Chapters 6 and 11

Prompt

A junior reaches for Box::leak to satisfy 'static. Don't. fn owned_staticish(s: &str) -> String — return an owned String the caller can keep. Prefer ownership over leaking for a fake 'static.