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#5270: Change int/uint range_rev to use (hi,lo] instead of [hi,lo). - #7684
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pnkfelix wants to merge 3 commits into
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#5270: Change int/uint range_rev to use (hi,lo] instead of [hi,lo).#7684pnkfelix wants to merge 3 commits into
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… semantics. Also added unit tests of range code to test refactoring. The num-range-rev.rs test will need to be updated when the range_rev semantics change.
pnkfelix
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Jul 12, 2013
ContributorAuthor
hmm, seems like the |
pnkfelix
commented
Jul 16, 2013
ContributorAuthor
From what I can tell, the make check failures are actually reproducible on master, without my refactoring. It is just that my refactoring makes them more reliably reproducible. I spent some time tracking this down and the best I have come up with is Issue #7797, but I am not 100% certain that that is the same bug. |
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Jul 16, 2013
…ss-issue5270-2ndpr, r=cmr Changes int/uint range_rev to iterate over range `(hi,lo]` instead of `[hi,lo)`. Fix#5270. Also: * Adds unit tests for int/uint range functions * Updates the uses of `range_rev` to account for the new semantics. (Note that pretty much all of the updates there were strict improvements to the code in question; yay!) * Exposes new function, `range_step_inclusive`, which does the range `[hi,lo]`, (at least when `hi-lo` is a multiple of the `step` parameter). * Special-cases when `|step| == 1` removing unnecessary bounds-check. (I did not check whether LLVM was already performing this optimization; I figure it would be a net win to not leave that analysis to the compiler. If reviewer objects, I can easily remove that from the refactored code.) (This pull request is a rebased version of PR #7524, which went stale due to recent unrelated changes to num libraries.)
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Oct 7, 2021
…1995 fix for issue rust-lang#7683Fixesrust-lang#7683. For Repeat [x; y] (x is the type and y is the times to repeat) . When y > 32, the compiler will report an error: https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=7148558162685e91056e0550797ea74c Because https://github.com/rust-lang/rust/blob/6cdd42f9f8dd4e5e5ba0aa816bc4c99ab8b102f9/library/std/src/primitive_docs.rs#L538 /// Arrays of sizes from 0 to 32 (inclusive) implement [`Default`] trait /// if the element type allows it. As a stopgap, trait implementations are /// statically generated up to size 32. So here to detect this situation. changelog: [`derivable_impls`]: No longer lints when arrays bigger than 32 elements are involved
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Aug 21, 2026
7684: Actually fix runnable order r=lnicola a=ivan770 Changes  to  Sorry for missing this one in original PR. This was an issue before rust-lang/rust-analyzer@ee049b2, and I fixed it, yet *somehow* order got reversed (to a logical one) Co-authored-by: ivan770 <leshenko.ivan770@gmail.com>
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Changes int/uint range_rev to iterate over range
(hi,lo]instead of[hi,lo).Fix#5270.
Also:
range_revto account for the new semantics. (Note that pretty much all of the updates there were strict improvements to the code in question; yay!)range_step_inclusive, which does the range[hi,lo], (at least whenhi-lois a multiple of thestepparameter).|step| == 1removing unnecessary bounds-check. (I did not check whether LLVM was already performing this optimization; I figure it would be a net win to not leave that analysis to the compiler. If reviewer objects, I can easily remove that from the refactored code.)(This pull request is a rebased version of PR #7524, which went stale due to recent unrelated changes to num libraries.)