summaryrefslogtreecommitdiffstats
path: root/library/core/src/cell
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /library/core/src/cell
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/core/src/cell')
-rw-r--r--library/core/src/cell/lazy.rs8
-rw-r--r--library/core/src/cell/once.rs13
2 files changed, 17 insertions, 4 deletions
diff --git a/library/core/src/cell/lazy.rs b/library/core/src/cell/lazy.rs
index b355d94ce..65d12c25c 100644
--- a/library/core/src/cell/lazy.rs
+++ b/library/core/src/cell/lazy.rs
@@ -35,7 +35,7 @@ pub struct LazyCell<T, F = fn() -> T> {
init: Cell<Option<F>>,
}
-impl<T, F> LazyCell<T, F> {
+impl<T, F: FnOnce() -> T> LazyCell<T, F> {
/// Creates a new lazy value with the given initializing function.
///
/// # Examples
@@ -51,13 +51,12 @@ impl<T, F> LazyCell<T, F> {
///
/// assert_eq!(&*lazy, "HELLO, WORLD!");
/// ```
+ #[inline]
#[unstable(feature = "once_cell", issue = "74465")]
pub const fn new(init: F) -> LazyCell<T, F> {
LazyCell { cell: OnceCell::new(), init: Cell::new(Some(init)) }
}
-}
-impl<T, F: FnOnce() -> T> LazyCell<T, F> {
/// Forces the evaluation of this lazy value and returns a reference to
/// the result.
///
@@ -75,6 +74,7 @@ impl<T, F: FnOnce() -> T> LazyCell<T, F> {
/// assert_eq!(LazyCell::force(&lazy), &92);
/// assert_eq!(&*lazy, &92);
/// ```
+ #[inline]
#[unstable(feature = "once_cell", issue = "74465")]
pub fn force(this: &LazyCell<T, F>) -> &T {
this.cell.get_or_init(|| match this.init.take() {
@@ -87,6 +87,7 @@ impl<T, F: FnOnce() -> T> LazyCell<T, F> {
#[unstable(feature = "once_cell", issue = "74465")]
impl<T, F: FnOnce() -> T> Deref for LazyCell<T, F> {
type Target = T;
+ #[inline]
fn deref(&self) -> &T {
LazyCell::force(self)
}
@@ -95,6 +96,7 @@ impl<T, F: FnOnce() -> T> Deref for LazyCell<T, F> {
#[unstable(feature = "once_cell", issue = "74465")]
impl<T: Default> Default for LazyCell<T> {
/// Creates a new lazy value using `Default` as the initializing function.
+ #[inline]
fn default() -> LazyCell<T> {
LazyCell::new(T::default)
}
diff --git a/library/core/src/cell/once.rs b/library/core/src/cell/once.rs
index 8c01643c7..7757068a4 100644
--- a/library/core/src/cell/once.rs
+++ b/library/core/src/cell/once.rs
@@ -37,8 +37,9 @@ pub struct OnceCell<T> {
impl<T> OnceCell<T> {
/// Creates a new empty cell.
- #[unstable(feature = "once_cell", issue = "74465")]
+ #[inline]
#[must_use]
+ #[unstable(feature = "once_cell", issue = "74465")]
pub const fn new() -> OnceCell<T> {
OnceCell { inner: UnsafeCell::new(None) }
}
@@ -46,6 +47,7 @@ impl<T> OnceCell<T> {
/// Gets the reference to the underlying value.
///
/// Returns `None` if the cell is empty.
+ #[inline]
#[unstable(feature = "once_cell", issue = "74465")]
pub fn get(&self) -> Option<&T> {
// SAFETY: Safe due to `inner`'s invariant
@@ -55,6 +57,7 @@ impl<T> OnceCell<T> {
/// Gets the mutable reference to the underlying value.
///
/// Returns `None` if the cell is empty.
+ #[inline]
#[unstable(feature = "once_cell", issue = "74465")]
pub fn get_mut(&mut self) -> Option<&mut T> {
self.inner.get_mut().as_mut()
@@ -82,6 +85,7 @@ impl<T> OnceCell<T> {
///
/// assert!(cell.get().is_some());
/// ```
+ #[inline]
#[unstable(feature = "once_cell", issue = "74465")]
pub fn set(&self, value: T) -> Result<(), T> {
// SAFETY: Safe because we cannot have overlapping mutable borrows
@@ -123,6 +127,7 @@ impl<T> OnceCell<T> {
/// let value = cell.get_or_init(|| unreachable!());
/// assert_eq!(value, &92);
/// ```
+ #[inline]
#[unstable(feature = "once_cell", issue = "74465")]
pub fn get_or_init<F>(&self, f: F) -> &T
where
@@ -205,6 +210,7 @@ impl<T> OnceCell<T> {
/// cell.set("hello".to_string()).unwrap();
/// assert_eq!(cell.into_inner(), Some("hello".to_string()));
/// ```
+ #[inline]
#[unstable(feature = "once_cell", issue = "74465")]
pub fn into_inner(self) -> Option<T> {
// Because `into_inner` takes `self` by value, the compiler statically verifies
@@ -233,6 +239,7 @@ impl<T> OnceCell<T> {
/// assert_eq!(cell.take(), Some("hello".to_string()));
/// assert_eq!(cell.get(), None);
/// ```
+ #[inline]
#[unstable(feature = "once_cell", issue = "74465")]
pub fn take(&mut self) -> Option<T> {
mem::take(self).into_inner()
@@ -241,6 +248,7 @@ impl<T> OnceCell<T> {
#[unstable(feature = "once_cell", issue = "74465")]
impl<T> Default for OnceCell<T> {
+ #[inline]
fn default() -> Self {
Self::new()
}
@@ -258,6 +266,7 @@ impl<T: fmt::Debug> fmt::Debug for OnceCell<T> {
#[unstable(feature = "once_cell", issue = "74465")]
impl<T: Clone> Clone for OnceCell<T> {
+ #[inline]
fn clone(&self) -> OnceCell<T> {
let res = OnceCell::new();
if let Some(value) = self.get() {
@@ -272,6 +281,7 @@ impl<T: Clone> Clone for OnceCell<T> {
#[unstable(feature = "once_cell", issue = "74465")]
impl<T: PartialEq> PartialEq for OnceCell<T> {
+ #[inline]
fn eq(&self, other: &Self) -> bool {
self.get() == other.get()
}
@@ -283,6 +293,7 @@ impl<T: Eq> Eq for OnceCell<T> {}
#[unstable(feature = "once_cell", issue = "74465")]
impl<T> const From<T> for OnceCell<T> {
/// Creates a new `OnceCell<T>` which already contains the given `value`.
+ #[inline]
fn from(value: T) -> Self {
OnceCell { inner: UnsafeCell::new(Some(value)) }
}