Add BuildHasher::hash_one as unstable
#86151
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rust-highfive
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scottmcm
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Minor bikeshed: I think That aside, this seems like a reasonable helper to me. |
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scottmcm
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BuildHasher::hash_of as unstableBuildHasher::hash_one as unstable
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Friendly 2-week ping on this, @joshtriplett |
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@bors r+ rollup |
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📌 Commit 579d19b has been approved by |
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☀️ Test successful - checks-actions |
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Inspired by https://github.com/rust-lang/rust/pull/86140/files#diff-246941135168fbc44fce120385ee9c3156e08a1c3e2697985b56dcb8d728eedeR2416, where I wanted to write a quick test for a
Hashimplementation and it took more of a dance than I'd hoped.It looks like this would be handy in hashtable implementations, too -- a quick look at hashbrown found two places where it needs to do the same dance:
https://github.com/rust-lang/hashbrown/blob/6302512a8a514fe5bd442464ebcd78139c82e1e2/src/map.rs#L247-L270
I wanted to get a "seems plausible" from a libs member before making a tracking issue, so random-sampling the intersection of highfive and governance gave me...
r? @joshtriplett
(As always, bikeshed away! And let me know if I missed something obvious again that I should have used instead.)