Added feature attribute to example code in map_or_else doc

rust-lang · Aug 29, 2018 · 79408c3 · 79408c3
1 parent 6ff4f79
commit 79408c3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/libcore/result.rs b/src/libcore/result.rs
@@ -485,6 +485,7 @@ impl<T, E> Result<T, E> {
     /// Basic usage:
     ///
     /// ```
+    /// #![feature(result_map_or_else)]
     /// let k = 21;
     ///
     /// let x : Result<_, &str> = Ok("foo");