add examples using .as_ref() for is_some_and and is_none_or

Author: Natural-selection1

core/src/option.rs

@@ -638,6 +638,10 @@ impl<T> Option<T> {
     ///
     /// let x: Option<u32> = None;
     /// assert_eq!(x.is_some_and(|x| x > 1), false);
+    ///
+    /// let x: Option<String> = Some("ownership".to_string());
+    /// assert_eq!(x.as_ref().is_some_and(|x| x.len() > 1), true);
+    /// println!("still alive {:?}", x);
     /// ```
     #[must_use]
     #[inline]
@@ -682,6 +686,10 @@ impl<T> Option<T> {
     ///
     /// let x: Option<u32> = None;
     /// assert_eq!(x.is_none_or(|x| x > 1), true);
+    ///
+    /// let x: Option<String> = Some("ownership".to_string());
+    /// assert_eq!(x.as_ref().is_none_or(|x| x.len() > 1), true);
+    /// println!("still alive {:?}", x);
     /// ```
     #[must_use]
     #[inline]