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| -rw-r--r-- | src/libstd/ffi/os_str.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/libstd/ffi/os_str.rs b/src/libstd/ffi/os_str.rs index bdd8ce5e6d8..d960d76146f 100644 --- a/src/libstd/ffi/os_str.rs +++ b/src/libstd/ffi/os_str.rs @@ -210,6 +210,16 @@ impl OsString { /// Note that the allocator may give the collection more space than it /// requests. Therefore capacity can not be relied upon to be precisely /// minimal. Prefer reserve if future insertions are expected. + /// + /// # Examples + /// + /// ``` + /// use std::ffi::OsString; + /// + /// let mut s = OsString::new(); + /// s.reserve_exact(10); + /// assert!(s.capacity() >= 10); + /// ``` #[stable(feature = "osstring_simple_functions", since = "1.9.0")] pub fn reserve_exact(&mut self, additional: usize) { self.inner.reserve_exact(additional) |