Fix safety comment #80774
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Fix safety comment #80774
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The size assertion in the comment was inverted compared to the code. After fixing that the implication that `(new_size >= old_size) => new_size != 0` still doesn't hold so explain why `old_size != 0` at this point.
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Fix safety comment The size assertion in the comment was inverted compared to the code. After fixing that the implication that `(new_size >= old_size) => new_size != 0` still doesn't hold so explain why `old_size != 0` at this point.
This was referenced Jan 10, 2021
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Rollup of 9 pull requests Successful merges: - rust-lang#79502 (Implement From<char> for u64 and u128.) - rust-lang#79968 (Improve core::ptr::drop_in_place debuginfo) - rust-lang#80774 (Fix safety comment) - rust-lang#80801 (Use correct span for structured suggestion) - rust-lang#80803 (Remove useless `fill_in` function) - rust-lang#80820 (Support `download-ci-llvm` on NixOS) - rust-lang#80825 (Remove under-used ImplPolarity enum) - rust-lang#80850 (Allow #[rustc_builtin_macro = "name"]) - rust-lang#80857 (Add comment to `Vec::truncate` explaining `>` vs `>=`) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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The size assertion in the comment was inverted compared to the code. After fixing that the implication that
(new_size >= old_size) => new_size != 0still doesn't hold so explain whyold_size != 0at this point.