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| author | Yuki Okushi <huyuumi.dev@gmail.com> | 2021-02-21 15:26:40 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-02-21 15:26:40 +0900 |
| commit | 56ae3fb2f0888a6a6857eec5c0109fcb3eefe258 (patch) | |
| tree | 803e55be0e99dad3de5c5eb9e359203c2a93a8f7 /library/std/src/sys/unix/stack_overflow.rs | |
| parent | 3219a100fab579015d56411f5a50dcb7ff10f39d (diff) | |
| parent | 3ec1a28418472d64518efcb72e25ff976d6ff140 (diff) | |
| download | rust-56ae3fb2f0888a6a6857eec5c0109fcb3eefe258.tar.gz rust-56ae3fb2f0888a6a6857eec5c0109fcb3eefe258.zip | |
Rollup merge of #81706 - SkiFire13:document-binaryheap-unsafe, r=Mark-Simulacrum
Document BinaryHeap unsafe functions `BinaryHeap` contains some private safe functions but that are actually unsafe to call. This PR marks them `unsafe` and documents all the `unsafe` function calls inside them. While doing this I might also have found a bug: some "SAFETY" comments in `sift_down_range` and `sift_down_to_bottom` are valid only if you assume that `child` doesn't overflow. However it may overflow if `end > isize::MAX` which can be true for ZSTs (but I think only for them). I guess the easiest fix would be to skip any sifting if `mem::size_of::<T> == 0`. Probably conflicts with #81127 but solving the eventual merge conflict should be pretty easy.
Diffstat (limited to 'library/std/src/sys/unix/stack_overflow.rs')
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