Auto merge of #35857 - jonathandturner:rollup, r=jonathandturner

Rollup of 19 pull requests

- Successful merges: #35234, #35701, #35709, #35710, #35775, #35778, #35780, #35781, #35794, #35800, #35804, #35806, #35811, #35812, #35818, #35827, #35830, #35831, #35839
- Failed merges: #35759

4 files changed, 37 insertions, 5 deletions

diff --git a/src/libstd/ffi/os_str.rs b/src/libstd/ffi/os_str.rs
index 0d29e62485a..3d23a9a2383 100644
--- a/src/libstd/ffi/os_str.rs
+++ b/src/libstd/ffi/os_str.rs
@@ -251,6 +251,14 @@ impl Hash for OsString {
 
 impl OsStr {
     /// Coerces into an `OsStr` slice.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use std::ffi::OsStr;
+    ///
+    /// let os_str = OsStr::new("foo");
+    /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
     pub fn new<S: AsRef<OsStr> + ?Sized>(s: &S) -> &OsStr {
         s.as_ref()
@@ -283,6 +291,18 @@ impl OsStr {
     }
 
     /// Checks whether the `OsStr` is empty.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use std::ffi::OsStr;
+    ///
+    /// let os_str = OsStr::new("");
+    /// assert!(os_str.is_empty());
+    ///
+    /// let os_str = OsStr::new("foo");
+    /// assert!(!os_str.is_empty());
+    /// ```
     #[stable(feature = "osstring_simple_functions", since = "1.9.0")]
     pub fn is_empty(&self) -> bool {
         self.inner.inner.is_empty()
@@ -296,6 +316,18 @@ impl OsStr {
     /// other methods like `OsString::with_capacity` to avoid reallocations.
     ///
     /// See `OsStr` introduction for more information about encoding.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use std::ffi::OsStr;
+    ///
+    /// let os_str = OsStr::new("");
+    /// assert_eq!(os_str.len(), 0);
+    ///
+    /// let os_str = OsStr::new("foo");
+    /// assert_eq!(os_str.len(), 3);
+    /// ```
     #[stable(feature = "osstring_simple_functions", since = "1.9.0")]
     pub fn len(&self) -> usize {
         self.inner.inner.len()
diff --git a/src/libstd/io/mod.rs b/src/libstd/io/mod.rs
index 88fd4186e0a..307d014fd68 100644
--- a/src/libstd/io/mod.rs
+++ b/src/libstd/io/mod.rs
@@ -236,7 +236,7 @@
 //! to read the line and print it, so we use `()`.
 //!
 //! [result]: type.Result.html
-//! [try]: ../macro.try!.html
+//! [try]: ../macro.try.html
 //!
 //! ## Platform-specific behavior
 //!
@@ -957,8 +957,8 @@ pub trait Write {
     /// explicitly be called. The [`write!`][write] macro should be favored to
     /// invoke this method instead.
     ///
-    /// [formatargs]: ../macro.format_args!.html
-    /// [write]: ../macro.write!.html
+    /// [formatargs]: ../macro.format_args.html
+    /// [write]: ../macro.write.html
     ///
     /// This function internally uses the [`write_all`][writeall] method on
     /// this trait and hence will continuously write data so long as no errors
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index c05e0c3ca68..ff3b9c6d041 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -175,7 +175,7 @@
 //! [`atomic`]: sync/atomic/index.html
 //! [`collections`]: collections/index.html
 //! [`for`]: ../book/loops.html#for
-//! [`format!`]: macro.format!.html
+//! [`format!`]: macro.format.html
 //! [`fs`]: fs/index.html
 //! [`io`]: io/index.html
 //! [`iter`]: iter/index.html
diff --git a/src/libstd/primitive_docs.rs b/src/libstd/primitive_docs.rs
index d31a5930376..2b92da6c684 100644
--- a/src/libstd/primitive_docs.rs
+++ b/src/libstd/primitive_docs.rs
@@ -27,7 +27,7 @@
 /// assert!(!bool_val);
 /// ```
 ///
-/// [`assert!`]: macro.assert!.html
+/// [`assert!`]: macro.assert.html
 /// [`if`]: ../book/if.html
 /// [`BitAnd`]: ops/trait.BitAnd.html
 /// [`BitOr`]: ops/trait.BitOr.html