diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs index ef4bd83cbc5a6..8a128b0d5e7b2 100644 --- a/src/libcore/str/mod.rs +++ b/src/libcore/str/mod.rs @@ -3971,6 +3971,16 @@ impl str { /// [`to_ascii_uppercase`]. /// /// [`to_ascii_uppercase`]: #method.to_ascii_uppercase + /// + /// # Examples + /// + /// ``` + /// let mut s = String::from("Grüße, Jürgen ❤"); + /// + /// s.make_ascii_uppercase(); + /// + /// assert_eq!("GRüßE, JüRGEN ❤", s); + /// ``` #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")] pub fn make_ascii_uppercase(&mut self) { let me = unsafe { self.as_bytes_mut() }; @@ -3986,6 +3996,16 @@ impl str { /// [`to_ascii_lowercase`]. /// /// [`to_ascii_lowercase`]: #method.to_ascii_lowercase + /// + /// # Examples + /// + /// ``` + /// let mut s = String::from("Grüße, Jürgen ❤"); + /// + /// s.make_ascii_lowercase(); + /// + /// assert_eq!("grüße, jürgen ❤", s); + /// ``` #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")] pub fn make_ascii_lowercase(&mut self) { let me = unsafe { self.as_bytes_mut() };