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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 28

Elision runs out with two inputs

borrow-life-01Related book chapters: 6 (optional — this page is complete on its own)E0106elision

Slug: borrow-life-01 · Paired reading: Chapter 6

Prompt

Implement fn longest<'a>(x: &'a str, y: &'a str) -> &'a str returning the longer slice (prefer x on ties).