message: docs(server): set doc_cfg attributes for `tcp` feature gated Server methods
diff: @@ -52,7 +52,9 @@ impl<I> Server<I, ()> {
  }
  }
  -#[cfg(feature = "tcp")]
  +cfg_feature! {
  + #![all(feature = "tcp")]
  +
  impl Server<AddrIncoming, ()> {
  /// Binds to the provided address, and returns a [`Builder`](Builder).
  ///
  @@ -77,14 +79,18 @@ impl Server<AddrIncoming, ()> {
  AddrIncoming::from_std(listener).map(Server::builder)
  }
  }
  +}
  +
  +cfg_feature! {
  + #![all(feature = "tcp")]
  -#[cfg(feature = "tcp")]
  impl<S, E> Server<AddrIncoming, S, E> {
  /// Returns the local address that this server is bound to.
  pub fn local_addr(&self) -> SocketAddr {
  self.spawn_all.local_addr()
  }
  }
  +}
  impl<I, IO, IE, S, E, B> Server<I, S, E>
  where
  