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Add #[inline] marker to OnceCell/LazyCell/OnceLock/LazyLock

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This commit is contained in:
Trevor Gross
2022-12-13 02:18:15 -05:00
parent 71ec1457ee
commit b9558a15dc
4 changed files with 37 additions and 2 deletions
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4
library/core/src/cell/lazy.rs
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@@ -51,6 +51,7 @@ 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)) }
@@ -75,6 +76,7 @@ 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 +89,7 @@ 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 +98,7 @@ 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)
}