Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 5 insertions, 3 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)
     }