Fix markup in recent lint documentation.

Also make the examples more realistic by hiding the `;`s so as not to
visibly be discarding the computed value.

Author: kpreid

clippy_lints/src/methods/mod.rs

@@ -3609,7 +3609,7 @@ declare_clippy_lint! {
 
 declare_clippy_lint! {
     /// ### What it does
-    /// Checks for usage of `as_str()` on a `String`` chained with a method available on the `String` itself.
+    /// Checks for usage of `as_str()` on a `String` chained with a method available on the `String` itself.
     ///
     /// ### Why is this bad?
     /// The `as_str()` conversion is pointless and can be removed for simplicity and cleanliness.
@@ -3618,14 +3618,16 @@ declare_clippy_lint! {
     /// ```no_run
     /// # #![allow(unused)]
     /// let owned_string = "This is a string".to_owned();
-    /// owned_string.as_str().as_bytes();
+    /// owned_string.as_str().as_bytes()
+    /// # ;
     /// ```
     ///
     /// Use instead:
     /// ```no_run
     /// # #![allow(unused)]
     /// let owned_string = "This is a string".to_owned();
-    /// owned_string.as_bytes();
+    /// owned_string.as_bytes()
+    /// # ;
     /// ```
     #[clippy::version = "1.74.0"]
     pub REDUNDANT_AS_STR,

clippy_lints/src/unnecessary_map_on_constructor.rs

@@ -9,19 +9,22 @@ use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
-    /// Suggest removing the use of a map (or map_err) method when an Option or Result is being constructed.
+    /// Suggests removing the use of a `map()` (or `map_err()`) method when an `Option` or `Result`
+    ///  is being constructed.
     ///
     /// ### Why is this bad?
     /// It introduces unnecessary complexity. In this case the function can be used directly and
-    /// construct the Option or Result from the output.
+    /// construct the `Option` or `Result` from the output.
     ///
     /// ### Example
     /// ```no_run
-    /// Some(4).map(i32::swap_bytes);
+    /// Some(4).map(i32::swap_bytes)
+    /// # ;
     /// ```
     /// Use instead:
     /// ```no_run
-    /// Some(i32::swap_bytes(4));
+    /// Some(i32::swap_bytes(4))
+    /// # ;
     /// ```
     #[clippy::version = "1.74.0"]
     pub UNNECESSARY_MAP_ON_CONSTRUCTOR,