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mark const fn constructors as rustc_const_stable_indirect #586

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merged 2 commits into from
Nov 13, 2024
Merged

mark const fn constructors as rustc_const_stable_indirect #586

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b1ea850
allow 'extern crate alloc' even when that is the crates.io crate
RalfJung Nov 13, 2024
855feb0
mark const fn constructors as rustc_const_stable_indirect
RalfJung Nov 13, 2024
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2 changes: 2 additions & 0 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
strict_provenance_lints
)
)]
#![cfg_attr(feature = "rustc-dep-of-std", feature(rustc_attrs))]
#![allow(
clippy::doc_markdown,
clippy::module_name_repetitions,
Expand Down Expand Up @@ -52,6 +53,7 @@ pub enum DefaultHashBuilder {}
extern crate std;

#[cfg_attr(test, macro_use)]
#[cfg_attr(feature = "rustc-dep-of-std", allow(unused_extern_crates))]
extern crate alloc;

#[cfg(feature = "nightly")]
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2 changes: 2 additions & 0 deletions src/map.rs
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Expand Up @@ -453,6 +453,7 @@ impl<K, V, S> HashMap<K, V, S> {
/// map.insert(1, 2);
/// ```
#[cfg_attr(feature = "inline-more", inline)]
#[cfg_attr(feature = "rustc-dep-of-std", rustc_const_stable_indirect)]
pub const fn with_hasher(hash_builder: S) -> Self {
Self {
hash_builder,
Expand Down Expand Up @@ -538,6 +539,7 @@ impl<K, V, S, A: Allocator> HashMap<K, V, S, A> {
/// map.insert(1, 2);
/// ```
#[cfg_attr(feature = "inline-more", inline)]
#[cfg_attr(feature = "rustc-dep-of-std", rustc_const_stable_indirect)]
pub const fn with_hasher_in(hash_builder: S, alloc: A) -> Self {
Self {
hash_builder,
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2 changes: 2 additions & 0 deletions src/raw/mod.rs
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Expand Up @@ -677,6 +677,7 @@ impl<T> RawTable<T, Global> {
/// leave the data pointer dangling since that bucket is never written to
/// due to our load factor forcing us to always have at least 1 free bucket.
#[inline]
#[cfg_attr(feature = "rustc-dep-of-std", rustc_const_stable_indirect)]
pub const fn new() -> Self {
Self {
table: RawTableInner::NEW,
Expand All @@ -702,6 +703,7 @@ impl<T, A: Allocator> RawTable<T, A> {
/// leave the data pointer dangling since that bucket is never written to
/// due to our load factor forcing us to always have at least 1 free bucket.
#[inline]
#[cfg_attr(feature = "rustc-dep-of-std", rustc_const_stable_indirect)]
pub const fn new_in(alloc: A) -> Self {
Self {
table: RawTableInner::NEW,
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2 changes: 2 additions & 0 deletions src/set.rs
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Expand Up @@ -465,6 +465,7 @@ impl<T, S> HashSet<T, S, Global> {
/// set.insert(2);
/// ```
#[cfg_attr(feature = "inline-more", inline)]
#[cfg_attr(feature = "rustc-dep-of-std", rustc_const_stable_indirect)]
pub const fn with_hasher(hasher: S) -> Self {
Self {
map: HashMap::with_hasher(hasher),
Expand Down Expand Up @@ -552,6 +553,7 @@ where
/// set.insert(2);
/// ```
#[cfg_attr(feature = "inline-more", inline)]
#[cfg_attr(feature = "rustc-dep-of-std", rustc_const_stable_indirect)]
pub const fn with_hasher_in(hasher: S, alloc: A) -> Self {
Self {
map: HashMap::with_hasher_in(hasher, alloc),
Expand Down
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