docs: Fix missing colon in methods for primitive types

Author: sorairolake

library/core/src/num/uint_macros.rs

@@ -2222,7 +2222,7 @@ macro_rules! uint_impl {
 ///
 /// # Examples
 ///
-/// Basic usage
+/// Basic usage:
 ///
 /// ```
  #[doc = concat!("assert_eq!(5", stringify!($SelfT),".overflowing_add(2), (7, false));")]
@@ -2320,7 +2320,7 @@ macro_rules! uint_impl {
 ///
 /// # Examples
 ///
-/// Basic usage
+/// Basic usage:
 ///
 /// ```
  #[doc = concat!("assert_eq!(5", stringify!($SelfT),".overflowing_sub(2), (3, false));")]
@@ -2447,7 +2447,7 @@ macro_rules! uint_impl {
 ///
 /// # Examples
 ///
-/// Basic usage
+/// Basic usage:
 ///
 /// ```
  #[doc = concat!("assert_eq!(5", stringify!($SelfT),".overflowing_div(2), (2, false));")]
@@ -2478,7 +2478,7 @@ macro_rules! uint_impl {
 ///
 /// # Examples
 ///
-/// Basic usage
+/// Basic usage:
 ///
 /// ```
  #[doc = concat!("assert_eq!(5", stringify!($SelfT),".overflowing_div_euclid(2), (2, false));")]
@@ -2506,7 +2506,7 @@ macro_rules! uint_impl {
 ///
 /// # Examples
 ///
-/// Basic usage
+/// Basic usage:
 ///
 /// ```
  #[doc = concat!("assert_eq!(5", stringify!($SelfT),".overflowing_rem(2), (1, false));")]
@@ -2537,7 +2537,7 @@ macro_rules! uint_impl {
 ///
 /// # Examples
 ///
-/// Basic usage
+/// Basic usage:
 ///
 /// ```
  #[doc = concat!("assert_eq!(5", stringify!($SelfT),".overflowing_rem_euclid(2), (1, false));")]
@@ -2561,7 +2561,7 @@ macro_rules! uint_impl {
 ///
 /// # Examples
 ///
-/// Basic usage
+/// Basic usage:
 ///
 /// ```
  #[doc = concat!("assert_eq!(0", stringify!($SelfT),".overflowing_neg(), (0, false));")]
@@ -2586,7 +2586,7 @@ macro_rules! uint_impl {
 ///
 /// # Examples
 ///
-/// Basic usage
+/// Basic usage:
 ///
 /// ```
  #[doc = concat!("assert_eq!(0x1", stringify!($SelfT),".overflowing_shl(4), (0x10, false));")]
@@ -2612,7 +2612,7 @@ macro_rules! uint_impl {
 ///
 /// # Examples
 ///
-/// Basic usage
+/// Basic usage:
 ///
 /// ```
  #[doc = concat!("assert_eq!(0x10", stringify!($SelfT),".overflowing_shr(4), (0x1, false));")]

library/core/src/str/mod.rs

@@ -2400,7 +2400,7 @@ impl str {
 ///
 /// # Examples
 ///
-/// Basic usage
+/// Basic usage:
 ///
 /// ```
 /// let four: u32 = "4".parse().unwrap();