/// # Examples
///
/// ```
- /// let mut v = ["a", "b", "c", "d"];
- /// v.swap(1, 3);
- /// assert!(v == ["a", "d", "c", "b"]);
+ /// let mut v = ["a", "b", "c", "d", "e];
+ /// v.swap(2, 4);
+ /// assert!(v == ["a", "b", "e", "d", "c"]);
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[inline]