Add doc example for `OsString::shrink_to_fit`.
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@ -226,6 +226,22 @@ impl OsString {
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}
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/// Shrinks the capacity of the `OsString` to match its length.
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///
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/// # Examples
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///
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/// ```
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/// #![feature(osstring_shrink_to_fit)]
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///
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/// use std::ffi::OsString;
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///
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/// let mut s = OsString::from("foo");
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///
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/// s.reserve(100);
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/// assert!(s.capacity() >= 100);
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///
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/// s.shrink_to_fit();
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/// assert_eq!(3, s.capacity());
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/// ```
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#[unstable(feature = "osstring_shrink_to_fit", issue = "40421")]
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pub fn shrink_to_fit(&mut self) {
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self.inner.shrink_to_fit()
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