2 files changed, 21 insertions, 1 deletions
diff --git a/library/std/src/sync/lazy_lock.rs b/library/std/src/sync/lazy_lock.rs
index bf5a716fa03..4a15305301d 100644
--- a/library/std/src/sync/lazy_lock.rs
+++ b/library/std/src/sync/lazy_lock.rs
@@ -49,6 +49,7 @@ pub struct LazyLock<T, F = fn() -> T> {
 impl<T, F: FnOnce() -> T> LazyLock<T, F> {
     /// Creates a new lazy value with the given initializing
     /// function.
+    #[inline]
     #[unstable(feature = "once_cell", issue = "74465")]
     pub const fn new(f: F) -> LazyLock<T, F> {
         LazyLock { cell: OnceLock::new(), init: Cell::new(Some(f)) }
@@ -70,6 +71,7 @@ impl<T, F: FnOnce() -> T> LazyLock<T, F> {
     /// assert_eq!(LazyLock::force(&lazy), &92);
     /// assert_eq!(&*lazy, &92);
     /// ```
+    #[inline]
     #[unstable(feature = "once_cell", issue = "74465")]
     pub fn force(this: &LazyLock<T, F>) -> &T {
         this.cell.get_or_init(|| match this.init.take() {
@@ -82,6 +84,8 @@ impl<T, F: FnOnce() -> T> LazyLock<T, F> {
 #[unstable(feature = "once_cell", issue = "74465")]
 impl<T, F: FnOnce() -> T> Deref for LazyLock<T, F> {
     type Target = T;
+
+    #[inline]
     fn deref(&self) -> &T {
         LazyLock::force(self)
     }
@@ -90,6 +94,7 @@ impl<T, F: FnOnce() -> T> Deref for LazyLock<T, F> {
 #[unstable(feature = "once_cell", issue = "74465")]
 impl<T: Default> Default for LazyLock<T> {
     /// Creates a new lazy value using `Default` as the initializing function.
+    #[inline]
     fn default() -> LazyLock<T> {
         LazyLock::new(T::default)
     }
diff --git a/library/std/src/sync/once_lock.rs b/library/std/src/sync/once_lock.rs
index 16d1fd2a576..ed339ca5df6 100644
--- a/library/std/src/sync/once_lock.rs
+++ b/library/std/src/sync/once_lock.rs
@@ -61,8 +61,9 @@ pub struct OnceLock<T> {
 
 impl<T> OnceLock<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() -> OnceLock<T> {
         OnceLock {
             once: Once::new(),
@@ -75,6 +76,7 @@ impl<T> OnceLock<T> {
     ///
     /// Returns `None` if the cell is empty, or being initialized. This
     /// method never blocks.
+    #[inline]
     #[unstable(feature = "once_cell", issue = "74465")]
     pub fn get(&self) -> Option<&T> {
         if self.is_initialized() {
@@ -88,6 +90,7 @@ impl<T> OnceLock<T> {
     /// Gets the mutable reference to the underlying value.
     ///
     /// Returns `None` if the cell is empty. This method never blocks.
+    #[inline]
     #[unstable(feature = "once_cell", issue = "74465")]
     pub fn get_mut(&mut self) -> Option<&mut T> {
         if self.is_initialized() {
@@ -125,6 +128,7 @@ impl<T> OnceLock<T> {
     ///     assert_eq!(CELL.get(), Some(&92));
     /// }
     /// ```
+    #[inline]
     #[unstable(feature = "once_cell", issue = "74465")]
     pub fn set(&self, value: T) -> Result<(), T> {
         let mut value = Some(value);
@@ -164,6 +168,7 @@ impl<T> OnceLock<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
@@ -203,6 +208,7 @@ impl<T> OnceLock<T> {
     /// assert_eq!(value, Ok(&92));
     /// assert_eq!(cell.get(), Some(&92))
     /// ```
+    #[inline]
     #[unstable(feature = "once_cell", issue = "74465")]
     pub fn get_or_try_init<F, E>(&self, f: F) -> Result<&T, E>
     where
@@ -241,6 +247,7 @@ impl<T> OnceLock<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(mut self) -> Option<T> {
         self.take()
@@ -267,6 +274,7 @@ impl<T> OnceLock<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> {
         if self.is_initialized() {
@@ -315,6 +323,7 @@ impl<T> OnceLock<T> {
     /// # Safety
     ///
     /// The value must be initialized
+    #[inline]
     unsafe fn get_unchecked(&self) -> &T {
         debug_assert!(self.is_initialized());
         (&*self.value.get()).assume_init_ref()
@@ -323,6 +332,7 @@ impl<T> OnceLock<T> {
     /// # Safety
     ///
     /// The value must be initialized
+    #[inline]
     unsafe fn get_unchecked_mut(&mut self) -> &mut T {
         debug_assert!(self.is_initialized());
         (&mut *self.value.get()).assume_init_mut()
@@ -360,6 +370,7 @@ impl<T> const Default for OnceLock<T> {
     ///     assert_eq!(OnceLock::<()>::new(), OnceLock::default());
     /// }
     /// ```
+    #[inline]
     fn default() -> OnceLock<T> {
         OnceLock::new()
     }
@@ -377,6 +388,7 @@ impl<T: fmt::Debug> fmt::Debug for OnceLock<T> {
 
 #[unstable(feature = "once_cell", issue = "74465")]
 impl<T: Clone> Clone for OnceLock<T> {
+    #[inline]
     fn clone(&self) -> OnceLock<T> {
         let cell = Self::new();
         if let Some(value) = self.get() {
@@ -408,6 +420,7 @@ impl<T> From<T> for OnceLock<T> {
     /// Ok(())
     /// # }
     /// ```
+    #[inline]
     fn from(value: T) -> Self {
         let cell = Self::new();
         match cell.set(value) {
@@ -419,6 +432,7 @@ impl<T> From<T> for OnceLock<T> {
 
 #[unstable(feature = "once_cell", issue = "74465")]
 impl<T: PartialEq> PartialEq for OnceLock<T> {
+    #[inline]
     fn eq(&self, other: &OnceLock<T>) -> bool {
         self.get() == other.get()
     }
@@ -429,6 +443,7 @@ impl<T: Eq> Eq for OnceLock<T> {}
 
 #[unstable(feature = "once_cell", issue = "74465")]
 unsafe impl<#[may_dangle] T> Drop for OnceLock<T> {
+    #[inline]
     fn drop(&mut self) {
         if self.is_initialized() {
             // SAFETY: The cell is initialized and being dropped, so it can't