summaryrefslogtreecommitdiffstats
path: root/library/std/src/collections
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:11:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:13:23 +0000
commit20431706a863f92cb37dc512fef6e48d192aaf2c (patch)
tree2867f13f5fd5437ba628c67d7f87309ccadcd286 /library/std/src/collections
parentReleasing progress-linux version 1.65.0+dfsg1-2~progress7.99u1. (diff)
downloadrustc-20431706a863f92cb37dc512fef6e48d192aaf2c.tar.xz
rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.zip
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/std/src/collections')
-rw-r--r--library/std/src/collections/hash/map.rs7
-rw-r--r--library/std/src/collections/hash/map/tests.rs6
-rw-r--r--library/std/src/collections/hash/set.rs5
-rw-r--r--library/std/src/collections/hash/set/tests.rs6
4 files changed, 18 insertions, 6 deletions
diff --git a/library/std/src/collections/hash/map.rs b/library/std/src/collections/hash/map.rs
index 9845d1faf..708edc5de 100644
--- a/library/std/src/collections/hash/map.rs
+++ b/library/std/src/collections/hash/map.rs
@@ -9,7 +9,6 @@ use crate::borrow::Borrow;
use crate::cell::Cell;
use crate::collections::TryReserveError;
use crate::collections::TryReserveErrorKind;
-#[cfg(not(bootstrap))]
use crate::error::Error;
use crate::fmt::{self, Debug};
#[allow(deprecated)]
@@ -281,7 +280,8 @@ impl<K, V, S> HashMap<K, V, S> {
/// ```
#[inline]
#[stable(feature = "hashmap_build_hasher", since = "1.7.0")]
- pub fn with_hasher(hash_builder: S) -> HashMap<K, V, S> {
+ #[rustc_const_unstable(feature = "const_collections_with_hasher", issue = "102575")]
+ pub const fn with_hasher(hash_builder: S) -> HashMap<K, V, S> {
HashMap { base: base::HashMap::with_hasher(hash_builder) }
}
@@ -759,7 +759,7 @@ where
/// Tries to reserve capacity for at least `additional` more elements to be inserted
/// in the `HashMap`. The collection may reserve more space to speculatively
- /// avoid frequent reallocations. After calling `reserve`,
+ /// avoid frequent reallocations. After calling `try_reserve`,
/// capacity will be greater than or equal to `self.len() + additional` if
/// it returns `Ok(())`.
/// Does nothing if capacity is already sufficient.
@@ -2160,7 +2160,6 @@ impl<'a, K: Debug, V: Debug> fmt::Display for OccupiedError<'a, K, V> {
}
}
-#[cfg(not(bootstrap))]
#[unstable(feature = "map_try_insert", issue = "82766")]
impl<'a, K: fmt::Debug, V: fmt::Debug> Error for OccupiedError<'a, K, V> {
#[allow(deprecated)]
diff --git a/library/std/src/collections/hash/map/tests.rs b/library/std/src/collections/hash/map/tests.rs
index cb3032719..65634f206 100644
--- a/library/std/src/collections/hash/map/tests.rs
+++ b/library/std/src/collections/hash/map/tests.rs
@@ -1115,3 +1115,9 @@ fn from_array() {
// that's a problem!
let _must_not_require_type_annotation = HashMap::from([(1, 2)]);
}
+
+#[test]
+fn const_with_hasher() {
+ const X: HashMap<(), (), ()> = HashMap::with_hasher(());
+ assert_eq!(X.len(), 0);
+}
diff --git a/library/std/src/collections/hash/set.rs b/library/std/src/collections/hash/set.rs
index 5b6a415fa..cee884145 100644
--- a/library/std/src/collections/hash/set.rs
+++ b/library/std/src/collections/hash/set.rs
@@ -376,7 +376,8 @@ impl<T, S> HashSet<T, S> {
/// ```
#[inline]
#[stable(feature = "hashmap_build_hasher", since = "1.7.0")]
- pub fn with_hasher(hasher: S) -> HashSet<T, S> {
+ #[rustc_const_unstable(feature = "const_collections_with_hasher", issue = "102575")]
+ pub const fn with_hasher(hasher: S) -> HashSet<T, S> {
HashSet { base: base::HashSet::with_hasher(hasher) }
}
@@ -461,7 +462,7 @@ where
/// Tries to reserve capacity for at least `additional` more elements to be inserted
/// in the `HashSet`. The collection may reserve more space to speculatively
- /// avoid frequent reallocations. After calling `reserve`,
+ /// avoid frequent reallocations. After calling `try_reserve`,
/// capacity will be greater than or equal to `self.len() + additional` if
/// it returns `Ok(())`.
/// Does nothing if capacity is already sufficient.
diff --git a/library/std/src/collections/hash/set/tests.rs b/library/std/src/collections/hash/set/tests.rs
index 233db276b..941a0450c 100644
--- a/library/std/src/collections/hash/set/tests.rs
+++ b/library/std/src/collections/hash/set/tests.rs
@@ -496,3 +496,9 @@ fn from_array() {
// that's a problem!
let _must_not_require_type_annotation = HashSet::from([1, 2]);
}
+
+#[test]
+fn const_with_hasher() {
+ const X: HashSet<(), ()> = HashSet::with_hasher(());
+ assert_eq!(X.len(), 0);
+}