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Make feature(const_btree_len) implied by feature(const_btree_new)

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This commit is contained in:
Maybe Waffle 2022-10-01 22:40:04 +00:00
parent f606127be5
commit da78c1fd43
2 changed files with 20 additions and 4 deletions
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12
library/alloc/src/collections/btree/map.rs
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@ -2392,7 +2392,11 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> {
/// ```
#[must_use]
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_const_unstable(feature = "const_btree_len", issue = "71835")]
#[rustc_const_unstable(
feature = "const_btree_len",
issue = "71835",
implied_by = "const_btree_new"
)]
pub const fn len(&self) -> usize {
self.length
}
@ -2413,7 +2417,11 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> {
/// ```
#[must_use]
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_const_unstable(feature = "const_btree_len", issue = "71835")]
#[rustc_const_unstable(
feature = "const_btree_len",
issue = "71835",
implied_by = "const_btree_new"
)]
pub const fn is_empty(&self) -> bool {
self.len() == 0
}

12
library/alloc/src/collections/btree/set.rs
View File

@ -1174,7 +1174,11 @@ impl<T, A: Allocator + Clone> BTreeSet<T, A> {
/// ```
#[must_use]
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_const_unstable(feature = "const_btree_len", issue = "71835")]
#[rustc_const_unstable(
feature = "const_btree_len",
issue = "71835",
implied_by = "const_btree_new"
)]
pub const fn len(&self) -> usize {
self.map.len()
}
@ -1193,7 +1197,11 @@ impl<T, A: Allocator + Clone> BTreeSet<T, A> {
/// ```
#[must_use]
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_const_unstable(feature = "const_btree_len", issue = "71835")]
#[rustc_const_unstable(
feature = "const_btree_len",
issue = "71835",
implied_by = "const_btree_new"
)]
pub const fn is_empty(&self) -> bool {
self.len() == 0
}