Yuki Okushi 56ae3fb2f0 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.		2021-02-21 15:26:40 +09:00
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benches	Reorder benches const variable	2020-09-29 21:39:24 +08:00
src	Rollup merge of #81706 - SkiFire13:document-binaryheap-unsafe, r=Mark-Simulacrum	2021-02-21 15:26:40 +09:00
tests	Added tests to drain an empty vec	2021-02-13 11:18:36 +08:00
Cargo.toml	Update compiler_builtins to 0.1.39	2021-01-07 16:16:36 +09:00