Implement Clone::clone_from for LinkedList #64975
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r? @TimNN (rust_highfive has picked a reviewer for you, use r? to override) |
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It looks neat. It would be great to have a test for this in fact. If wanted it can be in a separate pr. With that this is r=me |
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I thought it might be better to add the test at the same time, but I could make separate pull requests if there are a lot of comments about the test. I thought this would be good because it tests all paths through the function, and it ensures both that the two lists are identical and that they haven't been altered from the original |
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@bors r+ rollup Great! |
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📌 Commit 864e6fe has been approved by |
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Manishearth
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Implement Clone::clone_from for LinkedList See rust-lang#28481. This represents a substantial speedup when the list sizes are comparable, and shouldn't ever be significantly worse. Technically split_off is doing an unnecessary search, but the code is hopefully cleaner as a result. I'm happy to rework anything that needs to be changed as well!
Centril
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Implement Clone::clone_from for LinkedList See rust-lang#28481. This represents a substantial speedup when the list sizes are comparable, and shouldn't ever be significantly worse. Technically split_off is doing an unnecessary search, but the code is hopefully cleaner as a result. I'm happy to rework anything that needs to be changed as well!
Centril
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Implement Clone::clone_from for LinkedList See rust-lang#28481. This represents a substantial speedup when the list sizes are comparable, and shouldn't ever be significantly worse. Technically split_off is doing an unnecessary search, but the code is hopefully cleaner as a result. I'm happy to rework anything that needs to be changed as well!
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Rollup of 7 pull requests Successful merges: - #63678 (Improve HRTB error span when -Zno-leak-check is used) - #64931 (Reword E0392 slightly) - #64959 (syntax: improve parameter without type suggestions) - #64975 (Implement Clone::clone_from for LinkedList) - #64993 (BacktraceStatus: add Eq impl) - #64998 (Filter out RLS output directories on tidy runs) - #65010 (Compare `primary` with maximum of `children`s' line num instead of dropping it) Failed merges: r? @ghost
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See #28481. This represents a substantial speedup when the list sizes are comparable, and shouldn't ever be significantly worse. Technically split_off is doing an unnecessary search, but the code is hopefully cleaner as a result. I'm happy to rework anything that needs to be changed as well!