Auto merge of #77875 - poliorcetics:more-intra-doc-links, r=jyn514

More intra doc links

Helps with #75080.

I did a commit by group of file, I can squash if wanted.

`@rustbot` modify labels: T-doc, A-intra-doc-links

r? `@jyn514`

Author: bors

Diff for: library/core/src/cell.rs

@@ -929,7 +929,7 @@ impl<T: ?Sized> RefCell<T> {
     /// Also, please be aware that this method is only for special circumstances and is usually
     /// not what you want. In case of doubt, use [`borrow_mut`] instead.
     ///
-    /// [`borrow_mut`]: #method.borrow_mut
+    /// [`borrow_mut`]: RefCell::borrow_mut()
     ///
     /// # Examples
     ///
@@ -953,7 +953,7 @@ impl<T: ?Sized> RefCell<T> {
     /// ensure no borrows exist and then resets the state tracking shared borrows. This is relevant
     /// if some `Ref` or `RefMut` borrows have been leaked.
     ///
-    /// [`get_mut`]: #method.get_mut
+    /// [`get_mut`]: RefCell::get_mut()
     ///
     /// # Examples
     ///
@@ -1745,7 +1745,7 @@ impl<T: ?Sized> UnsafeCell<T> {
     /// when casting to `&mut T`, and ensure that there are no mutations
     /// or mutable aliases going on when casting to `&T`.
     ///
-    /// [`get`]: #method.get
+    /// [`get`]: UnsafeCell::get()
     ///
     /// # Examples
     ///

Diff for: library/core/src/char/methods.rs

@@ -109,8 +109,6 @@ impl char {
     /// `char`s. `from_u32()` will return `None` if the input is not a valid value
     /// for a `char`.
     ///
-    /// [`u32`]: primitive.u32.html
-    ///
     /// For an unsafe version of this function which ignores these checks, see
     /// [`from_u32_unchecked`].
     ///
@@ -159,8 +157,6 @@ impl char {
     /// `char`s. `from_u32_unchecked()` will ignore this, and blindly cast to
     /// `char`, possibly creating an invalid one.
     ///
-    /// [`u32`]: primitive.u32.html
-    ///
     /// # Safety
     ///
     /// This function is unsafe, as it may construct invalid `char` values.
@@ -249,7 +245,7 @@ impl char {
     /// sixteen, hexadecimal, to give some common values. Arbitrary
     /// radices are supported.
     ///
-    /// Compared to `is_numeric()`, this function only recognizes the characters
+    /// Compared to [`is_numeric()`], this function only recognizes the characters
     /// `0-9`, `a-z` and `A-Z`.
     ///
     /// 'Digit' is defined to be only the following characters:
@@ -258,9 +254,9 @@ impl char {
     /// * `a-z`
     /// * `A-Z`
     ///
-    /// For a more comprehensive understanding of 'digit', see [`is_numeric`][is_numeric].
+    /// For a more comprehensive understanding of 'digit', see [`is_numeric()`].
     ///
-    /// [is_numeric]: #method.is_numeric
+    /// [`is_numeric()`]: #method.is_numeric
     ///
     /// # Panics
     ///
@@ -483,9 +479,9 @@ impl char {
     /// * Any character in the 'printable ASCII' range `0x20` .. `0x7e`
     ///   inclusive is not escaped.
     /// * All other characters are given hexadecimal Unicode escapes; see
-    ///   [`escape_unicode`][escape_unicode].
+    ///   [`escape_unicode`].
     ///
-    /// [escape_unicode]: #method.escape_unicode
+    /// [`escape_unicode`]: #method.escape_unicode
     ///
     /// # Examples
     ///
@@ -504,7 +500,6 @@ impl char {
     /// println!("{}", '"'.escape_default());
     /// ```
     ///
-    ///
     /// Both are equivalent to:
     ///
     /// ```
@@ -584,10 +579,10 @@ impl char {
     /// Returns the number of 16-bit code units this `char` would need if
     /// encoded in UTF-16.
     ///
-    /// See the documentation for [`len_utf8`] for more explanation of this
+    /// See the documentation for [`len_utf8()`] for more explanation of this
     /// concept. This function is a mirror, but for UTF-16 instead of UTF-8.
     ///
-    /// [`len_utf8`]: #method.len_utf8
+    /// [`len_utf8()`]: #method.len_utf8
     ///
     /// # Examples
     ///
@@ -1075,10 +1070,10 @@ impl char {
     /// ASCII letters 'a' to 'z' are mapped to 'A' to 'Z',
     /// but non-ASCII letters are unchanged.
     ///
-    /// To uppercase the value in-place, use [`make_ascii_uppercase`].
+    /// To uppercase the value in-place, use [`make_ascii_uppercase()`].
     ///
     /// To uppercase ASCII characters in addition to non-ASCII characters, use
-    /// [`to_uppercase`].
+    /// [`to_uppercase()`].
     ///
     /// # Examples
     ///
@@ -1090,8 +1085,8 @@ impl char {
     /// assert_eq!('❤', non_ascii.to_ascii_uppercase());
     /// ```
     ///
-    /// [`make_ascii_uppercase`]: #method.make_ascii_uppercase
-    /// [`to_uppercase`]: #method.to_uppercase
+    /// [`make_ascii_uppercase()`]: #method.make_ascii_uppercase
+    /// [`to_uppercase()`]: #method.to_uppercase
     #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")]
     #[inline]
     pub fn to_ascii_uppercase(&self) -> char {
@@ -1103,10 +1098,10 @@ impl char {
     /// ASCII letters 'A' to 'Z' are mapped to 'a' to 'z',
     /// but non-ASCII letters are unchanged.
     ///
-    /// To lowercase the value in-place, use [`make_ascii_lowercase`].
+    /// To lowercase the value in-place, use [`make_ascii_lowercase()`].
     ///
     /// To lowercase ASCII characters in addition to non-ASCII characters, use
-    /// [`to_lowercase`].
+    /// [`to_lowercase()`].
     ///
     /// # Examples
     ///
@@ -1118,8 +1113,8 @@ impl char {
     /// assert_eq!('❤', non_ascii.to_ascii_lowercase());
     /// ```
     ///
-    /// [`make_ascii_lowercase`]: #method.make_ascii_lowercase
-    /// [`to_lowercase`]: #method.to_lowercase
+    /// [`make_ascii_lowercase()`]: #method.make_ascii_lowercase
+    /// [`to_lowercase()`]: #method.to_lowercase
     #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")]
     #[inline]
     pub fn to_ascii_lowercase(&self) -> char {
@@ -1153,7 +1148,7 @@ impl char {
     /// but non-ASCII letters are unchanged.
     ///
     /// To return a new uppercased value without modifying the existing one, use
-    /// [`to_ascii_uppercase`].
+    /// [`to_ascii_uppercase()`].
     ///
     /// # Examples
     ///
@@ -1165,7 +1160,7 @@ impl char {
     /// assert_eq!('A', ascii);
     /// ```
     ///
-    /// [`to_ascii_uppercase`]: #method.to_ascii_uppercase
+    /// [`to_ascii_uppercase()`]: #method.to_ascii_uppercase
     #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")]
     #[inline]
     pub fn make_ascii_uppercase(&mut self) {
@@ -1178,7 +1173,7 @@ impl char {
     /// but non-ASCII letters are unchanged.
     ///
     /// To return a new lowercased value without modifying the existing one, use
-    /// [`to_ascii_lowercase`].
+    /// [`to_ascii_lowercase()`].
     ///
     /// # Examples
     ///
@@ -1190,7 +1185,7 @@ impl char {
     /// assert_eq!('a', ascii);
     /// ```
     ///
-    /// [`to_ascii_lowercase`]: #method.to_ascii_lowercase
+    /// [`to_ascii_lowercase()`]: #method.to_ascii_lowercase
     #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")]
     #[inline]
     pub fn make_ascii_lowercase(&mut self) {

Diff for: library/core/src/iter/adapters/flatten.rs

@@ -120,8 +120,7 @@ where
 /// This `struct` is created by the [`flatten`] method on [`Iterator`]. See its
 /// documentation for more.
 ///
-/// [`flatten`]: Iterator::flatten
-/// [`Iterator`]: trait.Iterator.html
+/// [`flatten`]: Iterator::flatten()
 #[must_use = "iterators are lazy and do nothing unless consumed"]
 #[stable(feature = "iterator_flatten", since = "1.29.0")]
 pub struct Flatten<I: Iterator<Item: IntoIterator>> {

Diff for: library/core/src/iter/adapters/mod.rs

@@ -110,7 +110,7 @@ pub unsafe trait SourceIter {
     /// * whatever remains in the source after iteration has stopped
     /// * the memory that has become unused by advancing a consuming iterator
     ///
-    /// [`next()`]: Iterator::next
+    /// [`next()`]: Iterator::next()
     unsafe fn as_inner(&mut self) -> &mut Self::Source;
 }
 

Diff for: library/core/src/ptr/const_ptr.rs

@@ -723,7 +723,7 @@ impl<T: ?Sized> *const T {
     ///
     /// See [`ptr::read`] for safety concerns and examples.
     ///
-    /// [`ptr::read`]: ./ptr/fn.read.html
+    /// [`ptr::read`]: crate::ptr::read()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn read(self) -> T
@@ -743,7 +743,7 @@ impl<T: ?Sized> *const T {
     ///
     /// See [`ptr::read_volatile`] for safety concerns and examples.
     ///
-    /// [`ptr::read_volatile`]: ./ptr/fn.read_volatile.html
+    /// [`ptr::read_volatile`]: crate::ptr::read_volatile()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn read_volatile(self) -> T
@@ -761,7 +761,7 @@ impl<T: ?Sized> *const T {
     ///
     /// See [`ptr::read_unaligned`] for safety concerns and examples.
     ///
-    /// [`ptr::read_unaligned`]: ./ptr/fn.read_unaligned.html
+    /// [`ptr::read_unaligned`]: crate::ptr::read_unaligned()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn read_unaligned(self) -> T
@@ -779,7 +779,7 @@ impl<T: ?Sized> *const T {
     ///
     /// See [`ptr::copy`] for safety concerns and examples.
     ///
-    /// [`ptr::copy`]: ./ptr/fn.copy.html
+    /// [`ptr::copy`]: crate::ptr::copy()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn copy_to(self, dest: *mut T, count: usize)
@@ -797,7 +797,7 @@ impl<T: ?Sized> *const T {
     ///
     /// See [`ptr::copy_nonoverlapping`] for safety concerns and examples.
     ///
-    /// [`ptr::copy_nonoverlapping`]: ./ptr/fn.copy_nonoverlapping.html
+    /// [`ptr::copy_nonoverlapping`]: crate::ptr::copy_nonoverlapping()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn copy_to_nonoverlapping(self, dest: *mut T, count: usize)

Diff for: library/core/src/ptr/mut_ptr.rs

@@ -830,7 +830,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::read`] for safety concerns and examples.
     ///
-    /// [`ptr::read`]: ./ptr/fn.read.html
+    /// [`ptr::read`]: crate::ptr::read()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn read(self) -> T
@@ -850,7 +850,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::read_volatile`] for safety concerns and examples.
     ///
-    /// [`ptr::read_volatile`]: ./ptr/fn.read_volatile.html
+    /// [`ptr::read_volatile`]: crate::ptr::read_volatile()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn read_volatile(self) -> T
@@ -868,7 +868,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::read_unaligned`] for safety concerns and examples.
     ///
-    /// [`ptr::read_unaligned`]: ./ptr/fn.read_unaligned.html
+    /// [`ptr::read_unaligned`]: crate::ptr::read_unaligned()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn read_unaligned(self) -> T
@@ -886,7 +886,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::copy`] for safety concerns and examples.
     ///
-    /// [`ptr::copy`]: ./ptr/fn.copy.html
+    /// [`ptr::copy`]: crate::ptr::copy()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn copy_to(self, dest: *mut T, count: usize)
@@ -904,7 +904,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::copy_nonoverlapping`] for safety concerns and examples.
     ///
-    /// [`ptr::copy_nonoverlapping`]: ./ptr/fn.copy_nonoverlapping.html
+    /// [`ptr::copy_nonoverlapping`]: crate::ptr::copy_nonoverlapping()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn copy_to_nonoverlapping(self, dest: *mut T, count: usize)
@@ -922,7 +922,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::copy`] for safety concerns and examples.
     ///
-    /// [`ptr::copy`]: ./ptr/fn.copy.html
+    /// [`ptr::copy`]: crate::ptr::copy()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn copy_from(self, src: *const T, count: usize)
@@ -940,7 +940,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::copy_nonoverlapping`] for safety concerns and examples.
     ///
-    /// [`ptr::copy_nonoverlapping`]: ./ptr/fn.copy_nonoverlapping.html
+    /// [`ptr::copy_nonoverlapping`]: crate::ptr::copy_nonoverlapping()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn copy_from_nonoverlapping(self, src: *const T, count: usize)
@@ -955,7 +955,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::drop_in_place`] for safety concerns and examples.
     ///
-    /// [`ptr::drop_in_place`]: ./ptr/fn.drop_in_place.html
+    /// [`ptr::drop_in_place`]: crate::ptr::drop_in_place()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn drop_in_place(self) {
@@ -968,7 +968,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::write`] for safety concerns and examples.
     ///
-    /// [`ptr::write`]: ./ptr/fn.write.html
+    /// [`ptr::write`]: crate::ptr::write()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn write(self, val: T)
@@ -984,7 +984,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::write_bytes`] for safety concerns and examples.
     ///
-    /// [`ptr::write_bytes`]: ./ptr/fn.write_bytes.html
+    /// [`ptr::write_bytes`]: crate::ptr::write_bytes()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn write_bytes(self, val: u8, count: usize)
@@ -1004,7 +1004,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::write_volatile`] for safety concerns and examples.
     ///
-    /// [`ptr::write_volatile`]: ./ptr/fn.write_volatile.html
+    /// [`ptr::write_volatile`]: crate::ptr::write_volatile()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn write_volatile(self, val: T)
@@ -1022,7 +1022,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::write_unaligned`] for safety concerns and examples.
     ///
-    /// [`ptr::write_unaligned`]: ./ptr/fn.write_unaligned.html
+    /// [`ptr::write_unaligned`]: crate::ptr::write_unaligned()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn write_unaligned(self, val: T)
@@ -1038,7 +1038,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::replace`] for safety concerns and examples.
     ///
-    /// [`ptr::replace`]: ./ptr/fn.replace.html
+    /// [`ptr::replace`]: crate::ptr::replace()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn replace(self, src: T) -> T
@@ -1055,7 +1055,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// See [`ptr::swap`] for safety concerns and examples.
     ///
-    /// [`ptr::swap`]: ./ptr/fn.swap.html
+    /// [`ptr::swap`]: crate::ptr::swap()
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     pub unsafe fn swap(self, with: *mut T)

Diff for: library/core/src/str/mod.rs

@@ -2252,9 +2252,9 @@ impl str {
     /// but non-ASCII letters are unchanged.
     ///
     /// To return a new uppercased value without modifying the existing one, use
-    /// [`to_ascii_uppercase`].
+    /// [`to_ascii_uppercase()`].
     ///
-    /// [`to_ascii_uppercase`]: #method.to_ascii_uppercase
+    /// [`to_ascii_uppercase()`]: #method.to_ascii_uppercase
     ///
     /// # Examples
     ///
@@ -2279,9 +2279,9 @@ impl str {
     /// but non-ASCII letters are unchanged.
     ///
     /// To return a new lowercased value without modifying the existing one, use
-    /// [`to_ascii_lowercase`].
+    /// [`to_ascii_lowercase()`].
     ///
-    /// [`to_ascii_lowercase`]: #method.to_ascii_lowercase
+    /// [`to_ascii_lowercase()`]: #method.to_ascii_lowercase
     ///
     /// # Examples
     ///