npub1mda8wan42gc7nxcgdskkpkwwu678aet8w3eyevddmd6j96hrwj7qxwux44 (npub1mda…ux44) Either use `with_capacity` and see if it works:
https://doc.rust-lang.org/std/collections/struct.HashMap.html#method.with_capacity
Or use `new` and then `try_reserve`:
https://doc.rust-lang.org/std/collections/struct.HashMap.html#method.try_reserve
I would always recommend using `with_capacity` when you know how many insertions you will have. It will cause only one allocation instead of reallocating multiple times while the HashMap grows.
Now, if you see `with_capacity` failing or you suspect that you need too much memory, use `try_reserve` to just get a `Result` from the allocator.
Mo Bitar :ferris: /
npub1j7…5mapy
2023-09-06 09:29:11
in reply to nevent1q…zxhk
Author Public Key
npub1j7fc87rk03whjh72mphc9hrm8zecfsdywdcscsesznwzcrasudvs75mapyPublished at
2023-09-06 09:29:11Event JSON
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"content": "nostr:npub1mda8wan42gc7nxcgdskkpkwwu678aet8w3eyevddmd6j96hrwj7qxwux44 Either use `with_capacity` and see if it works:\n\nhttps://doc.rust-lang.org/std/collections/struct.HashMap.html#method.with_capacity\n\nOr use `new` and then `try_reserve`:\n\nhttps://doc.rust-lang.org/std/collections/struct.HashMap.html#method.try_reserve\n\nI would always recommend using `with_capacity` when you know how many insertions you will have. It will cause only one allocation instead of reallocating multiple times while the HashMap grows.\n\nNow, if you see `with_capacity` failing or you suspect that you need too much memory, use `try_reserve` to just get a `Result` from the allocator.",
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