message: docs(body): `wrap_stream` using futures_util
diff: @@ -129,17 +129,16 @@ impl Body {
  /// # Example
  ///
  /// ```
  - /// # extern crate futures;
  - /// # extern crate hyper;
  /// # use hyper::Body;
  + /// # use futures_util;
  /// # fn main() {
  - /// let chunks = vec![
  - /// "hello",
  - /// " ",
  - /// "world",
  + /// let chunks: Vec<Result<_, ::std::io::Error>> = vec![
  + /// Ok("hello"),
  + /// Ok(" "),
  + /// Ok("world"),
  /// ];
  ///
  - /// let stream = futures::stream::iter_ok::<_, ::std::io::Error>(chunks);
  + /// let stream = futures_util::stream::iter(chunks);
  ///
  /// let body = Body::wrap_stream(stream);
  /// # }
  