}
/// Shrinks the capacity of the `OsString` to match its length.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// #![feature(osstring_shrink_to_fit)]
+ ///
+ /// use std::ffi::OsString;
+ ///
+ /// let mut s = OsString::from("foo");
+ ///
+ /// s.reserve(100);
+ /// assert!(s.capacity() >= 100);
+ ///
+ /// s.shrink_to_fit();
+ /// assert_eq!(3, s.capacity());
+ /// ```
#[unstable(feature = "osstring_shrink_to_fit", issue = "40421")]
pub fn shrink_to_fit(&mut self) {
self.inner.shrink_to_fit()