Add doc example to String::as_str

Fixes #44428.
rust-lang · Sep 9, 2017 · 3e8fadc · 3e8fadc
1 parent dee6d0f
commit 3e8fadc
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/liballoc/string.rs b/src/liballoc/string.rs
@@ -743,6 +743,16 @@ impl String {
     }
 
     /// Extracts a string slice containing the entire string.
+    ///
+    /// # Examples
+    ///
+    /// Basic usage:
+    ///
+    /// ```
+    /// let s = String::from("foo");
+    ///
+    /// assert_eq!("foo", s.as_str());
+    /// ```
     #[inline]
     #[stable(feature = "string_as_str", since = "1.7.0")]
     pub fn as_str(&self) -> &str {