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Rollup merge of #112632 - gootorov:vec_alloc_partialeq, r=dtolnay

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Implement PartialOrd for `Vec`s over different allocators

It is already possible to `PartialEq` `Vec`s with different allocators, but that is not the case with `PartialOrd`.
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Nilstrieb 2023-06-21 07:37:00 +02:00 committed by GitHub
commit 78a90cb4ee
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1 changed files with 7 additions and 2 deletions
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9
library/alloc/src/vec/mod.rs
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@ -2978,9 +2978,14 @@ impl<'a, T: Copy + 'a, A: Allocator + 'a> Extend<&'a T> for Vec<T, A> {
/// Implements comparison of vectors, [lexicographically](Ord#lexicographical-comparison). /// Implements comparison of vectors, [lexicographically](Ord#lexicographical-comparison).
#[stable(feature = "rust1", since = "1.0.0")] #[stable(feature = "rust1", since = "1.0.0")]
impl<T: PartialOrd, A: Allocator> PartialOrd for Vec<T, A> { impl<T, A1, A2> PartialOrd<Vec<T, A2>> for Vec<T, A1>
where
T: PartialOrd,
A1: Allocator,
A2: Allocator,
{
#[inline] #[inline]
fn partial_cmp(&self, other: &Self) -> Option<Ordering> { fn partial_cmp(&self, other: &Vec<T, A2>) -> Option<Ordering> {
PartialOrd::partial_cmp(&**self, &**other) PartialOrd::partial_cmp(&**self, &**other)
} }
} }