Add #![feature] attributes to doctests

4 files changed, 5 insertions, 0 deletions

diff --git a/src/libstd/net/addr.rs b/src/libstd/net/addr.rs
index 87241117043..e8187dc2c40 100644
--- a/src/libstd/net/addr.rs
+++ b/src/libstd/net/addr.rs
@@ -263,6 +263,7 @@ impl hash::Hash for SocketAddrV6 {
 /// Some examples:
 ///
 /// ```no_run
+/// # #![feature(net)]
 /// use std::net::{SocketAddrV4, TcpStream, UdpSocket, TcpListener, Ipv4Addr};
 ///
 /// fn main() {
diff --git a/src/libstd/net/mod.rs b/src/libstd/net/mod.rs
index 543fdd16f41..48b3247f212 100644
--- a/src/libstd/net/mod.rs
+++ b/src/libstd/net/mod.rs
@@ -91,6 +91,7 @@ impl Iterator for LookupHost {
 /// # Examples
 ///
 /// ```no_run
+/// # #![feature(net)]
 /// use std::net;
 ///
 /// # fn foo() -> std::io::Result<()> {
diff --git a/src/libstd/net/tcp.rs b/src/libstd/net/tcp.rs
index f263d7d72d3..869faa795f9 100644
--- a/src/libstd/net/tcp.rs
+++ b/src/libstd/net/tcp.rs
@@ -27,6 +27,7 @@ use sys_common::AsInner;
 /// # Examples
 ///
 /// ```no_run
+/// # #![feature(net)]
 /// use std::io::prelude::*;
 /// use std::net::TcpStream;
 ///
@@ -46,6 +47,7 @@ pub struct TcpStream(net_imp::TcpStream);
 /// # Examples
 ///
 /// ```no_run
+/// # #![feature(net)]
 /// use std::net::{TcpListener, TcpStream};
 /// use std::thread;
 ///
diff --git a/src/libstd/net/udp.rs b/src/libstd/net/udp.rs
index 1ace1957526..e593bbe8e48 100644
--- a/src/libstd/net/udp.rs
+++ b/src/libstd/net/udp.rs
@@ -27,6 +27,7 @@ use sys_common::AsInner;
 /// # Examples
 ///
 /// ```no_run
+/// # #![feature(net)]
 /// use std::net::UdpSocket;
 ///
 /// # fn foo() -> std::io::Result<()> {