Rollup merge of #75969 - nixphix:docs/mod, r=jyn514

Switch to intra-doc links in core/src/{convert,iter}/mod.rs

Partial fix for #75080

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

r? @jyn514

couldn't fix these

```rust
     ../../std/string/struct.String.html
     ../../std/primitive.never.html
     ../../std/sync/mpsc/struct.TryIter.html
```

Author: matklad

library/core/src/convert/mod.rs

@@ -31,13 +31,6 @@
 //!   `into` themselves and `from` themselves
 //!
 //! See each trait for usage examples.
-//!
-//! [`Into`]: trait.Into.html
-//! [`From`]: trait.From.html
-//! [`TryFrom`]: trait.TryFrom.html
-//! [`TryInto`]: trait.TryInto.html
-//! [`AsRef`]: trait.AsRef.html
-//! [`AsMut`]: trait.AsMut.html
 
 #![stable(feature = "rust1", since = "1.0.0")]
 
@@ -141,13 +134,11 @@ pub const fn identity<T>(x: T) -> T {
 /// want to accept all references that can be converted to [`&str`] as an argument.
 /// Since both [`String`] and [`&str`] implement `AsRef<str>` we can accept both as input argument.
 ///
-/// [`Option<T>`]: ../../std/option/enum.Option.html
-/// [`Result<T, E>`]: ../../std/result/enum.Result.html
-/// [`Borrow`]: ../../std/borrow/trait.Borrow.html
-/// [`Hash`]: ../../std/hash/trait.Hash.html
-/// [`Eq`]: ../../std/cmp/trait.Eq.html
-/// [`Ord`]: ../../std/cmp/trait.Ord.html
-/// [`&str`]: ../../std/primitive.str.html
+/// [`Option<T>`]: Option
+/// [`Result<T, E>`]: Result
+/// [`Borrow`]: crate::borrow::Borrow
+/// [`Eq`]: crate::cmp::Eq
+/// [`Ord`]: crate::cmp::Ord
 /// [`String`]: ../../std/string/struct.String.html
 ///
 /// ```
@@ -177,8 +168,8 @@ pub trait AsRef<T: ?Sized> {
 /// **Note: This trait must not fail**. If the conversion can fail, use a
 /// dedicated method which returns an [`Option<T>`] or a [`Result<T, E>`].
 ///
-/// [`Option<T>`]: ../../std/option/enum.Option.html
-/// [`Result<T, E>`]: ../../std/result/enum.Result.html
+/// [`Option<T>`]: Option
+/// [`Result<T, E>`]: Result
 ///
 /// # Generic Implementations
 ///
@@ -278,12 +269,9 @@ pub trait AsMut<T: ?Sized> {
 /// is_hello(s);
 /// ```
 ///
-/// [`TryInto`]: trait.TryInto.html
-/// [`Option<T>`]: ../../std/option/enum.Option.html
-/// [`Result<T, E>`]: ../../std/result/enum.Result.html
+/// [`Option<T>`]: Option
+/// [`Result<T, E>`]: Result
 /// [`String`]: ../../std/string/struct.String.html
-/// [`From`]: trait.From.html
-/// [`Into`]: trait.Into.html
 /// [`Vec`]: ../../std/vec/struct.Vec.html
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait Into<T>: Sized {
@@ -370,12 +358,10 @@ pub trait Into<T>: Sized {
 /// }
 /// ```
 ///
-/// [`TryFrom`]: trait.TryFrom.html
-/// [`Option<T>`]: ../../std/option/enum.Option.html
-/// [`Result<T, E>`]: ../../std/result/enum.Result.html
+/// [`Option<T>`]: Option
+/// [`Result<T, E>`]: Result
 /// [`String`]: ../../std/string/struct.String.html
-/// [`Into`]: trait.Into.html
-/// [`from`]: trait.From.html#tymethod.from
+/// [`from`]: From::from
 /// [book]: ../../book/ch09-00-error-handling.html
 #[rustc_diagnostic_item = "from_trait"]
 #[stable(feature = "rust1", since = "1.0.0")]
@@ -404,9 +390,6 @@ pub trait From<T>: Sized {
 ///
 /// This suffers the same restrictions and reasoning as implementing
 /// [`Into`], see there for details.
-///
-/// [`TryFrom`]: trait.TryFrom.html
-/// [`Into`]: trait.Into.html
 #[stable(feature = "try_from", since = "1.34.0")]
 pub trait TryInto<T>: Sized {
     /// The type returned in the event of a conversion error.
@@ -485,11 +468,9 @@ pub trait TryInto<T>: Sized {
 /// assert!(try_successful_smaller_number.is_ok());
 /// ```
 ///
-/// [`try_from`]: trait.TryFrom.html#tymethod.try_from
-/// [`TryInto`]: trait.TryInto.html
-/// [`i32::MAX`]: ../../std/i32/constant.MAX.html
+/// [`i32::MAX`]: crate::i32::MAX
+/// [`try_from`]: TryFrom::try_from
 /// [`!`]: ../../std/primitive.never.html
-/// [`Infallible`]: enum.Infallible.html
 #[stable(feature = "try_from", since = "1.34.0")]
 pub trait TryFrom<T>: Sized {
     /// The type returned in the event of a conversion error.
@@ -676,7 +657,6 @@ impl AsRef<str> for str {
 ///
 /// … and eventually deprecate `Infallible`.
 ///
-///
 /// However there is one case where `!` syntax can be used
 /// before `!` is stabilized as a full-fledged type: in the position of a function’s return type.
 /// Specifically, it is possible implementations for two different function pointer types:
@@ -692,10 +672,6 @@ impl AsRef<str> for str {
 /// the two `impl`s will start to overlap
 /// and therefore will be disallowed by the language’s trait coherence rules.
 ///
-/// [`Ok`]: ../result/enum.Result.html#variant.Ok
-/// [`Result`]: ../result/enum.Result.html
-/// [`TryFrom`]: trait.TryFrom.html
-/// [`Into`]: trait.Into.html
 /// [never]: ../../std/primitive.never.html
 #[stable(feature = "convert_infallible", since = "1.34.0")]
 #[derive(Copy)]

library/core/src/iter/mod.rs

@@ -54,8 +54,7 @@
 //! below for more details.
 //!
 //! [`Some(Item)`]: Some
-//! [`Iterator`]: trait.Iterator.html
-//! [`next`]: trait.Iterator.html#tymethod.next
+//! [`next`]: Iterator::next
 //! [`TryIter`]: ../../std/sync/mpsc/struct.TryIter.html
 //!
 //! # The three forms of iteration
@@ -159,8 +158,7 @@
 //! Let's take a look at that `for` loop again, and what the compiler converts
 //! it into:
 //!
-//! [`IntoIterator`]: trait.IntoIterator.html
-//! [`into_iter`]: trait.IntoIterator.html#tymethod.into_iter
+//! [`into_iter`]: IntoIterator::into_iter
 //!
 //! ```
 //! let values = vec![1, 2, 3, 4, 5];
@@ -222,9 +220,9 @@
 //! across versions of Rust, so you should avoid relying on the exact values
 //! returned by an iterator which panicked.
 //!
-//! [`map`]: trait.Iterator.html#method.map
-//! [`take`]: trait.Iterator.html#method.take
-//! [`filter`]: trait.Iterator.html#method.filter
+//! [`map`]: Iterator::map
+//! [`take`]: Iterator::take
+//! [`filter`]: Iterator::filter
 //!
 //! # Laziness
 //!
@@ -261,13 +259,13 @@
 //! }
 //! ```
 //!
-//! [`map`]: trait.Iterator.html#method.map
-//! [`for_each`]: trait.Iterator.html#method.for_each
+//! [`map`]: Iterator::map
+//! [`for_each`]: Iterator::for_each
 //!
 //! Another common way to evaluate an iterator is to use the [`collect`]
 //! method to produce a new collection.
 //!
-//! [`collect`]: trait.Iterator.html#method.collect
+//! [`collect`]: Iterator::collect
 //!
 //! # Infinity
 //!
@@ -305,8 +303,8 @@
 //! println!("The smallest number one is {}.", least);
 //! ```
 //!
-//! [`take`]: trait.Iterator.html#method.take
-//! [`min`]: trait.Iterator.html#method.min
+//! [`take`]: Iterator::take
+//! [`min`]: Iterator::min
 
 #![stable(feature = "rust1", since = "1.0.0")]