diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index 32862629083..63233613b4b 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -1418,6 +1418,27 @@ pub trait Write { /// The default implementation calls [`write`] with either the first nonempty /// buffer provided, or an empty one if none exists. /// + /// # Examples + /// + /// ```no_run + /// use std::io::IoSlice; + /// use std::io::prelude::*; + /// use std::fs::File; + /// + /// fn main() -> std::io::Result<()> { + /// let mut data1 = [1; 8]; + /// let mut data2 = [15; 8]; + /// let io_slice1 = IoSlice::new(&mut data1); + /// let io_slice2 = IoSlice::new(&mut data2); + /// + /// let mut buffer = File::create("foo.txt")?; + /// + /// // Writes some prefix of the byte string, not necessarily all of it. + /// buffer.write_vectored(&[io_slice1, io_slice2])?; + /// Ok(()) + /// } + /// ``` + /// /// [`write`]: Write::write #[stable(feature = "iovec", since = "1.36.0")] fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result {