Yes, or use the entry api: https://doc.rust-lang.org/beta/std/collections/hash_m... | Hacker News

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		css on Dec 24, 2024 \| parent \| context \| favorite \| on: Four limitations of Rust's borrow checker Yes, or use the entry api: https://doc.rust-lang.org/beta/std/collections/hash_map/enum...

josephcsible on Dec 25, 2024 [–]

I see how that helps with the usual case of inserting a value under the original key if it wasn't there, but I don't see how it helps in this case of checking a different key entirely if it wasn't there.

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