/// Copies elements from `src` range to the end of the string.
///
- /// ## Panics
+ /// # Panics
///
/// Panics if the starting point or end point do not lie on a [`char`]
/// boundary, or if they're out of bounds.
///
- /// ## Examples
+ /// # Examples
///
/// ```
/// #![feature(string_extend_from_within)]
}
#[cfg(not(no_global_oom_handling))]
-#[stable(feature = "bool_to_string_specialization", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "bool_to_string_specialization", since = "1.68.0")]
impl ToString for bool {
#[inline]
fn to_string(&self) -> String {