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Rollup merge of #116559 - Kritzefitz:btree-new-in-const, r=Amanieu

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Mark `new_in` as `const` for BTree collections

Discussed in and closes rust-lang/wg-allocators#118
This commit is contained in:
Guillaume Gomez 2023-10-10 18:44:46 +02:00 committed by GitHub
commit b72db84fd0
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2 changed files with 2 additions and 2 deletions
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2
library/alloc/src/collections/btree/map.rs
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@ -669,7 +669,7 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> {
/// map.insert(1, "a");
/// ```
#[unstable(feature = "btreemap_alloc", issue = "32838")]
pub fn new_in(alloc: A) -> BTreeMap<K, V, A> {
pub const fn new_in(alloc: A) -> BTreeMap<K, V, A> {
BTreeMap { root: None, length: 0, alloc: ManuallyDrop::new(alloc), _marker: PhantomData }
}
}

2
library/alloc/src/collections/btree/set.rs
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@ -358,7 +358,7 @@ impl<T, A: Allocator + Clone> BTreeSet<T, A> {
/// let mut set: BTreeSet<i32> = BTreeSet::new_in(Global);
/// ```
#[unstable(feature = "btreemap_alloc", issue = "32838")]
pub fn new_in(alloc: A) -> BTreeSet<T, A> {
pub const fn new_in(alloc: A) -> BTreeSet<T, A> {
BTreeSet { map: BTreeMap::new_in(alloc) }
}