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Rust HashMap Interactions Made Simple: The Entry API: Revision history

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17 November 2025

  • curprev 07:4807:48, 17 November 2025 PC talk contribs 13,742 bytes +13,742 Created page with "Rust’s entry API is something that isn’t often talked about, but it makes maps easier to use without risking panics, and it helps eliminate redundant lookups. If you’ve ever written code like if map.contains_key(k) { … } else { … }, then you’ve been doing two lookups when one would do, and adding another layer of nesting. The entry API solves those problems and provides an idiomatic and safe alternative to working with maps. In this article I’m going to..."
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