From 8e6ae19bb51c6248384889670830fc7838617c33 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Wed, 30 Nov 2016 09:44:33 -0800
Subject: [PATCH] Add cloned example for Option

---
 src/libcore/option.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/libcore/option.rs b/src/libcore/option.rs
index 607e16887a831..8871e1fa840ef 100644
--- a/src/libcore/option.rs
+++ b/src/libcore/option.rs
@@ -659,6 +659,16 @@ impl<T> Option<T> {
 impl<'a, T: Clone> Option<&'a T> {
     /// Maps an `Option<&T>` to an `Option<T>` by cloning the contents of the
     /// option.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// let x = 12;
+    /// let opt_x = Some(&x);
+    /// assert_eq!(opt_x, Some(&12));
+    /// let cloned = opt_x.cloned();
+    /// assert_eq!(cloned, Some(12));
+    /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
     pub fn cloned(self) -> Option<T> {
         self.map(|t| t.clone())