diff options
| author | Corey Farwell <coreyf@rwell.org> | 2016-12-03 15:39:53 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-12-03 15:39:53 -0500 |
| commit | 6c327adca2aa66f3fc09faff8b2928c1b1542104 (patch) | |
| tree | bd35c63bbe375f7e983a5f69aeb8f96d83756377 | |
| parent | d0e57b19cf65cab46b8deff6c80aab679ceae43e (diff) | |
| parent | 8e6ae19bb51c6248384889670830fc7838617c33 (diff) | |
| download | rust-6c327adca2aa66f3fc09faff8b2928c1b1542104.tar.gz rust-6c327adca2aa66f3fc09faff8b2928c1b1542104.zip | |
Rollup merge of #38090 - GuillaumeGomez:option_doc, r=frewsxcv
Add cloned example for Option r? @frewsxcv
| -rw-r--r-- | src/libcore/option.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/libcore/option.rs b/src/libcore/option.rs index 607e16887a8..8871e1fa840 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()) |