From 4d57d92f071d24a4c189cc8aef897be25bcd9d55 Mon Sep 17 00:00:00 2001
From: Corey Farwell <coreyf@rwell.org>
Date: Sun, 12 Mar 2017 16:21:34 -0400
Subject: [PATCH] Add doc example for `OsString::reserve`.

---
 src/libstd/ffi/os_str.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/libstd/ffi/os_str.rs b/src/libstd/ffi/os_str.rs
index 3914f398961e4..bdd8ce5e6d854 100644
--- a/src/libstd/ffi/os_str.rs
+++ b/src/libstd/ffi/os_str.rs
@@ -188,6 +188,16 @@ impl OsString {
     /// in the given `OsString`.
     ///
     /// The collection may reserve more space to avoid frequent reallocations.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use std::ffi::OsString;
+    ///
+    /// let mut s = OsString::new();
+    /// s.reserve(10);
+    /// assert!(s.capacity() >= 10);
+    /// ```
     #[stable(feature = "osstring_simple_functions", since = "1.9.0")]
     pub fn reserve(&mut self, additional: usize) {
         self.inner.reserve(additional)