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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LRU within safe bounds

lru-cache-01Related book chapters: 26 (optional — this page is complete on its own)LRU

Slug: lru-cache-01 · Paired reading: Chapter 26

Prompt

LruCache<K, V> with capacity, HashMap + VecDeque<K> for order. get promotes; insert evicts LRU. Bound: K: Clone + Eq + Hash.