Auto merge of #37259 - GuillaumeGomez:fix_io_urls, r=frewsxcv

Add more io urls

r? @steveklabnik

src/libstd/io/mod.rs

@@ -1154,10 +1154,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
 ///
 /// For example, reading line-by-line is inefficient without using a buffer, so
 /// if you want to read by line, you'll need `BufRead`, which includes a
-/// [`read_line()`][readline] method as well as a [`lines()`][lines] iterator.
-///
-/// [readline]: #method.read_line
-/// [lines]: #method.lines
+/// [`read_line()`] method as well as a [`lines()`] iterator.
 ///
 /// # Examples
 ///
@@ -1173,14 +1170,17 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
 /// }
 /// ```
 ///
-/// If you have something that implements `Read`, you can use the [`BufReader`
-/// type][bufreader] to turn it into a `BufRead`.
+/// If you have something that implements [`Read`], you can use the [`BufReader`
+/// type][`BufReader`] to turn it into a `BufRead`.
 ///
-/// For example, [`File`][file] implements `Read`, but not `BufRead`.
-/// `BufReader` to the rescue!
+/// For example, [`File`] implements [`Read`], but not `BufRead`.
+/// [`BufReader`] to the rescue!
 ///
-/// [bufreader]: struct.BufReader.html
-/// [file]: ../fs/struct.File.html
+/// [`BufReader`]: struct.BufReader.html
+/// [`File`]: ../fs/struct.File.html
+/// [`read_line()`]: #method.read_line
+/// [`lines()`]: #method.lines
+/// [`Read`]: trait.Read.html
 ///
 /// ```
 /// use std::io::{self, BufReader};
@@ -1204,13 +1204,13 @@ pub trait BufRead: Read {
     /// Fills the internal buffer of this object, returning the buffer contents.
     ///
     /// This function is a lower-level call. It needs to be paired with the
-    /// [`consume`][consume] method to function properly. When calling this
+    /// [`consume()`] method to function properly. When calling this
     /// method, none of the contents will be "read" in the sense that later
-    /// calling `read` may return the same contents. As such, `consume` must be
-    /// called with the number of bytes that are consumed from this buffer to
+    /// calling `read` may return the same contents. As such, [`consume()`] must
+    /// be called with the number of bytes that are consumed from this buffer to
     /// ensure that the bytes are never returned twice.
     ///
-    /// [consume]: #tymethod.consume
+    /// [`consume()`]: #tymethod.consume
     ///
     /// An empty buffer returned indicates that the stream has reached EOF.
     ///
@@ -1251,21 +1251,21 @@ pub trait BufRead: Read {
     /// so they should no longer be returned in calls to `read`.
     ///
     /// This function is a lower-level call. It needs to be paired with the
-    /// [`fill_buf`][fillbuf] method to function properly. This function does
+    /// [`fill_buf()`] method to function properly. This function does
     /// not perform any I/O, it simply informs this object that some amount of
-    /// its buffer, returned from `fill_buf`, has been consumed and should no
-    /// longer be returned. As such, this function may do odd things if
-    /// `fill_buf` isn't called before calling it.
-    ///
-    /// [fillbuf]: #tymethod.fill_buf
+    /// its buffer, returned from [`fill_buf()`], has been consumed and should
+    /// no longer be returned. As such, this function may do odd things if
+    /// [`fill_buf()`] isn't called before calling it.
     ///
     /// The `amt` must be `<=` the number of bytes in the buffer returned by
-    /// `fill_buf`.
+    /// [`fill_buf()`].
     ///
     /// # Examples
     ///
-    /// Since `consume()` is meant to be used with [`fill_buf()`][fillbuf],
+    /// Since `consume()` is meant to be used with [`fill_buf()`],
     /// that method's example includes an example of `consume()`.
+    ///
+    /// [`fill_buf()`]: #tymethod.fill_buf
     #[stable(feature = "rust1", since = "1.0.0")]
     fn consume(&mut self, amt: usize);
 
@@ -1279,8 +1279,8 @@ pub trait BufRead: Read {
     ///
     /// # Errors
     ///
-    /// This function will ignore all instances of `ErrorKind::Interrupted` and
-    /// will otherwise return any errors returned by `fill_buf`.
+    /// This function will ignore all instances of [`ErrorKind::Interrupted`] and
+    /// will otherwise return any errors returned by [`fill_buf()`].
     ///
     /// If an I/O error is encountered then all bytes read so far will be
     /// present in `buf` and its length will have been adjusted appropriately.
@@ -1290,6 +1290,9 @@ pub trait BufRead: Read {
     /// A locked standard input implements `BufRead`. In this example, we'll
     /// read from standard input until we see an `a` byte.
     ///
+    /// [`fill_buf()`]: #tymethod.fill_buf
+    /// [`ErrorKind::Interrupted`]: enum.ErrorKind.html#variant.Interrupted
+    ///
     /// ```
     /// use std::io;
     /// use std::io::prelude::*;
@@ -1322,19 +1325,20 @@ pub trait BufRead: Read {
     ///
     /// # Errors
     ///
-    /// This function has the same error semantics as `read_until` and will also
-    /// return an error if the read bytes are not valid UTF-8. If an I/O error
-    /// is encountered then `buf` may contain some bytes already read in the
-    /// event that all data read so far was valid UTF-8.
+    /// This function has the same error semantics as [`read_until()`] and will
+    /// also return an error if the read bytes are not valid UTF-8. If an I/O
+    /// error is encountered then `buf` may contain some bytes already read in
+    /// the event that all data read so far was valid UTF-8.
     ///
     /// # Examples
     ///
     /// A locked standard input implements `BufRead`. In this example, we'll
     /// read all of the lines from standard input. If we were to do this in
-    /// an actual project, the [`lines()`][lines] method would be easier, of
+    /// an actual project, the [`lines()`] method would be easier, of
     /// course.
     ///
-    /// [lines]: #method.lines
+    /// [`lines()`]: #method.lines
+    /// [`read_until()`]: #method.read_until
     ///
     /// ```
     /// use std::io;
@@ -1363,17 +1367,21 @@ pub trait BufRead: Read {
     /// `byte`.
     ///
     /// The iterator returned from this function will return instances of
-    /// `io::Result<Vec<u8>>`. Each vector returned will *not* have the
-    /// delimiter byte at the end.
+    /// [`io::Result`]`<`[`Vec<u8>`]`>`. Each vector returned will *not* have
+    /// the delimiter byte at the end.
     ///
-    /// This function will yield errors whenever `read_until` would have also
-    /// yielded an error.
+    /// This function will yield errors whenever [`read_until()`] would have
+    /// also yielded an error.
     ///
     /// # Examples
     ///
     /// A locked standard input implements `BufRead`. In this example, we'll
     /// read some input from standard input, splitting on commas.
     ///
+    /// [`io::Result`]: type.Result.html
+    /// [`Vec<u8>`]: ../vec/struct.Vec.html
+    /// [`read_until()`]: #method.read_until
+    ///
     /// ```
     /// use std::io;
     /// use std::io::prelude::*;
@@ -1392,9 +1400,12 @@ pub trait BufRead: Read {
     /// Returns an iterator over the lines of this reader.
     ///
     /// The iterator returned from this function will yield instances of
-    /// `io::Result<String>`. Each string returned will *not* have a newline
+    /// [`io::Result`]`<`[`String`]`>`. Each string returned will *not* have a newline
     /// byte (the 0xA byte) or CRLF (0xD, 0xA bytes) at the end.
     ///
+    /// [`io::Result`]: type.Result.html
+    /// [`String`]: ../string/struct.String.html
+    ///
     /// # Examples
     ///
     /// A locked standard input implements `BufRead`:
@@ -1417,10 +1428,10 @@ pub trait BufRead: Read {
 
 /// Adaptor to chain together two readers.
 ///
-/// This struct is generally created by calling [`chain()`][chain] on a reader.
-/// Please see the documentation of `chain()` for more details.
+/// This struct is generally created by calling [`chain()`] on a reader.
+/// Please see the documentation of [`chain()`] for more details.
 ///
-/// [chain]: trait.Read.html#method.chain
+/// [`chain()`]: trait.Read.html#method.chain
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct Chain<T, U> {
     first: T,
@@ -1581,10 +1592,10 @@ fn read_one_byte(reader: &mut Read) -> Option<Result<u8>> {
 
 /// An iterator over `u8` values of a reader.
 ///
-/// This struct is generally created by calling [`bytes()`][bytes] on a reader.
-/// Please see the documentation of `bytes()` for more details.
+/// This struct is generally created by calling [`bytes()`] on a reader.
+/// Please see the documentation of [`bytes()`] for more details.
 ///
-/// [bytes]: trait.Read.html#method.bytes
+/// [`bytes()`]: trait.Read.html#method.bytes
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct Bytes<R> {
     inner: R,