Doc nits

Co-Authored-By: NRalf Jung <post@ralfj.de>

src/liballoc/boxed.rs

@@ -123,7 +123,7 @@ pub fn new(x: T) -> Box<T> {
         box x
     }
 
-    /// Construct a new box with uninitialized contents.
+    /// Constructs a new box with uninitialized contents.
     ///
     /// # Examples
     ///
@@ -161,7 +161,7 @@ pub fn pin(x: T) -> Pin<Box<T>> {
 }
 
 impl<T> Box<[T]> {
-    /// Construct a new boxed slice with uninitialized contents.
+    /// Constructs a new boxed slice with uninitialized contents.
     ///
     /// # Examples
     ///
@@ -192,7 +192,7 @@ pub fn new_uninit_slice(len: usize) -> Box<[mem::MaybeUninit<T>]> {
 }
 
 impl<T> Box<mem::MaybeUninit<T>> {
-    /// Convert to `Box<T>`.
+    /// Converts to `Box<T>`.
     ///
     /// # Safety
     ///
@@ -228,7 +228,7 @@ pub unsafe fn assume_init(self) -> Box<T> {
 }
 
 impl<T> Box<[mem::MaybeUninit<T>]> {
-    /// Convert to `Box<[T]>`.
+    /// Converts to `Box<[T]>`.
     ///
     /// # Safety
     ///

src/liballoc/rc.rs

@@ -327,7 +327,7 @@ pub fn new(value: T) -> Rc<T> {
         }))
     }
 
-    /// Construct a new Rc with uninitialized contents.
+    /// Constructs a new `Rc` with uninitialized contents.
     ///
     /// # Examples
     ///
@@ -409,7 +409,7 @@ pub fn try_unwrap(this: Self) -> Result<T, Self> {
 }
 
 impl<T> Rc<[T]> {
-    /// Construct a new reference-counted slice with uninitialized contents.
+    /// Constructs a new reference-counted slice with uninitialized contents.
     ///
     /// # Examples
     ///
@@ -441,7 +441,7 @@ pub fn new_uninit_slice(len: usize) -> Rc<[mem::MaybeUninit<T>]> {
 }
 
 impl<T> Rc<mem::MaybeUninit<T>> {
-    /// Convert to `Rc<T>`.
+    /// Converts to `Rc<T>`.
     ///
     /// # Safety
     ///
@@ -480,7 +480,7 @@ pub unsafe fn assume_init(self) -> Rc<T> {
 }
 
 impl<T> Rc<[mem::MaybeUninit<T>]> {
-    /// Convert to `Rc<[T]>`.
+    /// Converts to `Rc<[T]>`.
     ///
     /// # Safety
     ///
@@ -721,7 +721,7 @@ pub fn get_mut(this: &mut Self) -> Option<&mut T> {
     ///
     /// Any other `Rc` or [`Weak`] pointers to the same value must not be dereferenced
     /// for the duration of the returned borrow.
-    /// This is trivially the case if no such pointer exist,
+    /// This is trivially the case if no such pointers exist,
     /// for example immediately after `Rc::new`.
     ///
     /// # Examples

src/liballoc/sync.rs

@@ -311,7 +311,7 @@ pub fn new(data: T) -> Arc<T> {
         Self::from_inner(Box::into_raw_non_null(x))
     }
 
-    /// Construct a Arc box with uninitialized contents.
+    /// Constructs a new `Arc` with uninitialized contents.
     ///
     /// # Examples
     ///
@@ -393,7 +393,7 @@ pub fn try_unwrap(this: Self) -> Result<T, Self> {
 }
 
 impl<T> Arc<[T]> {
-    /// Construct a new reference-counted slice with uninitialized contents.
+    /// Constructs a new reference-counted slice with uninitialized contents.
     ///
     /// # Examples
     ///
@@ -425,7 +425,7 @@ pub fn new_uninit_slice(len: usize) -> Arc<[mem::MaybeUninit<T>]> {
 }
 
 impl<T> Arc<mem::MaybeUninit<T>> {
-    /// Convert to `Arc<T>`.
+    /// Converts to `Arc<T>`.
     ///
     /// # Safety
     ///
@@ -464,7 +464,7 @@ pub unsafe fn assume_init(self) -> Arc<T> {
 }
 
 impl<T> Arc<[mem::MaybeUninit<T>]> {
-    /// Convert to `Arc<[T]>`.
+    /// Converts to `Arc<[T]>`.
     ///
     /// # Safety
     ///
@@ -1106,7 +1106,7 @@ pub fn get_mut(this: &mut Self) -> Option<&mut T> {
     ///
     /// Any other `Arc` or [`Weak`] pointers to the same value must not be dereferenced
     /// for the duration of the returned borrow.
-    /// This is trivially the case if no such pointer exist,
+    /// This is trivially the case if no such pointers exist,
     /// for example immediately after `Arc::new`.
     ///
     /// # Examples

src/libcore/ptr/unique.rs

@@ -123,7 +123,7 @@ pub unsafe fn as_mut(&mut self) -> &mut T {
         &mut *self.as_ptr()
     }
 
-    /// Cast to a pointer of another type
+    /// Casts to a pointer of another type
     #[inline]
     pub const fn cast<U>(self) -> Unique<U> {
         unsafe {