#5270: Change int/uint range_rev to use (hi,lo] instead of [hi,lo). #7524
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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.
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Oh, duh. I thought these commits had included fixes to the test code embedded in e.g. int_macros.rs, but it looks like they do not. No wonder all my bors attempts were failing! Sorry for the many misfires, everyone. Will fix soon. |
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closing in favor of rebased version in #7684. |
pnkfelix
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pnkfelix
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bors
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…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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…r=xFrednet fix bug on mutable ref fixes: rust-lang#7524 This PR is related to issue rust-lang#7524 changelog: [`extend_with_drain`] Improve code suggestion for mutable and immutable references
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r? anyone.
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.)