Improve some comments for non-zero ops #118313
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Finished benchmarking commit (601a427): comparison URL. Overall result: no relevant changes - no action needed@rustbot label: -perf-regression Instruction countThis benchmark run did not return any relevant results for this metric. Max RSS (memory usage)ResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
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matthiaskrgr
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Fix comments for unsigned non-zero `checked_add`, `saturating_add` While looking at rust-lang#118313, I happened to notice that two of the expanded comments appear to be slightly inaccurate. For these two methods, `other` is an ordinary unsigned integer, so it can be zero. Since the sum of non-zero and zero is always non-zero, the safety argument holds even when `other` is zero.
rust-timer
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Rollup merge of rust-lang#118397 - Zalathar:nonzero, r=WaffleLapkin Fix comments for unsigned non-zero `checked_add`, `saturating_add` While looking at rust-lang#118313, I happened to notice that two of the expanded comments appear to be slightly inaccurate. For these two methods, `other` is an ordinary unsigned integer, so it can be zero. Since the sum of non-zero and zero is always non-zero, the safety argument holds even when `other` is zero.
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This makes them a bit more explicit/correct.