9 files changed, 20 insertions, 20 deletions
diff --git a/src/libstd/io/fs.rs b/src/libstd/io/fs.rs
index 10dfec0f566..20187a6dcde 100644
--- a/src/libstd/io/fs.rs
+++ b/src/libstd/io/fs.rs
@@ -84,7 +84,7 @@ use vec::Vec;
 /// configured at creation time, via the `FileAccess` parameter to
 /// `File::open_mode()`.
 pub struct File {
-    fd: Box<rtio::RtioFileStream:Send>,
+    fd: Box<rtio::RtioFileStream + Send>,
     path: Path,
     last_nread: int,
 }
diff --git a/src/libstd/io/net/tcp.rs b/src/libstd/io/net/tcp.rs
index 6c773467553..8ffb057c934 100644
--- a/src/libstd/io/net/tcp.rs
+++ b/src/libstd/io/net/tcp.rs
@@ -51,11 +51,11 @@ use rt::rtio;
 /// drop(stream); // close the connection
 /// ```
 pub struct TcpStream {
-    obj: Box<RtioTcpStream:Send>,
+    obj: Box<RtioTcpStream + Send>,
 }
 
 impl TcpStream {
-    fn new(s: Box<RtioTcpStream:Send>) -> TcpStream {
+    fn new(s: Box<RtioTcpStream + Send>) -> TcpStream {
         TcpStream { obj: s }
     }
 
@@ -326,7 +326,7 @@ impl Writer for TcpStream {
 /// # }
 /// ```
 pub struct TcpListener {
-    obj: Box<RtioTcpListener:Send>,
+    obj: Box<RtioTcpListener + Send>,
 }
 
 impl TcpListener {
@@ -382,7 +382,7 @@ impl Listener<TcpStream, TcpAcceptor> for TcpListener {
 /// a `TcpListener`'s `listen` method, and this object can be used to accept new
 /// `TcpStream` instances.
 pub struct TcpAcceptor {
-    obj: Box<RtioTcpAcceptor:Send>,
+    obj: Box<RtioTcpAcceptor + Send>,
 }
 
 impl TcpAcceptor {
diff --git a/src/libstd/io/net/udp.rs b/src/libstd/io/net/udp.rs
index 538bba36958..e1f9cb3889f 100644
--- a/src/libstd/io/net/udp.rs
+++ b/src/libstd/io/net/udp.rs
@@ -57,7 +57,7 @@ use rt::rtio;
 /// drop(socket); // close the socket
 /// ```
 pub struct UdpSocket {
-    obj: Box<RtioUdpSocket:Send>,
+    obj: Box<RtioUdpSocket + Send>,
 }
 
 impl UdpSocket {
diff --git a/src/libstd/io/net/unix.rs b/src/libstd/io/net/unix.rs
index 9715a821e4f..8f4f66836ad 100644
--- a/src/libstd/io/net/unix.rs
+++ b/src/libstd/io/net/unix.rs
@@ -36,7 +36,7 @@ use rt::rtio::{RtioUnixAcceptor, RtioPipe};
 
 /// A stream which communicates over a named pipe.
 pub struct UnixStream {
-    obj: Box<RtioPipe:Send>,
+    obj: Box<RtioPipe + Send>,
 }
 
 impl UnixStream {
@@ -144,7 +144,7 @@ impl Writer for UnixStream {
 /// A value that can listen for incoming named pipe connection requests.
 pub struct UnixListener {
     /// The internal, opaque runtime Unix listener.
-    obj: Box<RtioUnixListener:Send>,
+    obj: Box<RtioUnixListener + Send>,
 }
 
 impl UnixListener {
@@ -188,7 +188,7 @@ impl Listener<UnixStream, UnixAcceptor> for UnixListener {
 /// A value that can accept named pipe connections, returned from `listen()`.
 pub struct UnixAcceptor {
     /// The internal, opaque runtime Unix acceptor.
-    obj: Box<RtioUnixAcceptor:Send>,
+    obj: Box<RtioUnixAcceptor + Send>,
 }
 
 impl UnixAcceptor {
diff --git a/src/libstd/io/pipe.rs b/src/libstd/io/pipe.rs
index 11bb27573c2..6e2009545aa 100644
--- a/src/libstd/io/pipe.rs
+++ b/src/libstd/io/pipe.rs
@@ -24,7 +24,7 @@ use rt::rtio::{RtioPipe, LocalIo};
 /// A synchronous, in-memory pipe.
 pub struct PipeStream {
     /// The internal, opaque runtime pipe object.
-    obj: Box<RtioPipe:Send>,
+    obj: Box<RtioPipe + Send>,
 }
 
 impl PipeStream {
@@ -55,7 +55,7 @@ impl PipeStream {
     }
 
     #[doc(hidden)]
-    pub fn new(inner: Box<RtioPipe:Send>) -> PipeStream {
+    pub fn new(inner: Box<RtioPipe + Send>) -> PipeStream {
         PipeStream { obj: inner }
     }
 }
diff --git a/src/libstd/io/process.rs b/src/libstd/io/process.rs
index a626d1f3a6c..38d8475ddf7 100644
--- a/src/libstd/io/process.rs
+++ b/src/libstd/io/process.rs
@@ -58,7 +58,7 @@ use c_str::CString;
 /// assert!(child.wait().unwrap().success());
 /// ```
 pub struct Process {
-    handle: Box<RtioProcess:Send>,
+    handle: Box<RtioProcess + Send>,
 
     /// Handle to the child's stdin, if the `stdin` field of this process's
     /// `ProcessConfig` was `CreatePipe`. By default, this handle is `Some`.
diff --git a/src/libstd/io/signal.rs b/src/libstd/io/signal.rs
index 598a8667d41..4a7655a63ce 100644
--- a/src/libstd/io/signal.rs
+++ b/src/libstd/io/signal.rs
@@ -82,7 +82,7 @@ pub enum Signum {
 /// ```
 pub struct Listener {
     /// A map from signums to handles to keep the handles in memory
-    handles: Vec<(Signum, Box<RtioSignal:Send>)>,
+    handles: Vec<(Signum, Box<RtioSignal + Send>)>,
     /// This is where all the handles send signums, which are received by
     /// the clients from the receiver.
     tx: Sender<Signum>,
diff --git a/src/libstd/io/stdio.rs b/src/libstd/io/stdio.rs
index 84b91814c87..071480fb5ee 100644
--- a/src/libstd/io/stdio.rs
+++ b/src/libstd/io/stdio.rs
@@ -71,8 +71,8 @@ use str::StrSlice;
 // tl;dr; TTY works on everything but when windows stdout is redirected, in that
 //        case pipe also doesn't work, but magically file does!
 enum StdSource {
-    TTY(Box<RtioTTY:Send>),
-    File(Box<RtioFileStream:Send>),
+    TTY(Box<RtioTTY + Send>),
+    File(Box<RtioFileStream + Send>),
 }
 
 fn src<T>(fd: libc::c_int, readable: bool, f: |StdSource| -> T) -> T {
@@ -84,7 +84,7 @@ fn src<T>(fd: libc::c_int, readable: bool, f: |StdSource| -> T) -> T {
     }).map_err(IoError::from_rtio_error).unwrap()
 }
 
-local_data_key!(local_stdout: Box<Writer:Send>)
+local_data_key!(local_stdout: Box<Writer + Send>)
 
 /// Creates a new non-blocking handle to the stdin of the current process.
 ///
@@ -163,7 +163,7 @@ pub fn stderr_raw() -> StdWriter {
 ///
 /// Note that this does not need to be called for all new tasks; the default
 /// output handle is to the process's stdout stream.
-pub fn set_stdout(stdout: Box<Writer:Send>) -> Option<Box<Writer:Send>> {
+pub fn set_stdout(stdout: Box<Writer + Send>) -> Option<Box<Writer + Send>> {
     local_stdout.replace(Some(stdout)).and_then(|mut s| {
         let _ = s.flush();
         Some(s)
@@ -178,7 +178,7 @@ pub fn set_stdout(stdout: Box<Writer:Send>) -> Option<Box<Writer:Send>> {
 ///
 /// Note that this does not need to be called for all new tasks; the default
 /// output handle is to the process's stderr stream.
-pub fn set_stderr(stderr: Box<Writer:Send>) -> Option<Box<Writer:Send>> {
+pub fn set_stderr(stderr: Box<Writer + Send>) -> Option<Box<Writer + Send>> {
     local_stderr.replace(Some(stderr)).and_then(|mut s| {
         let _ = s.flush();
         Some(s)
@@ -198,7 +198,7 @@ pub fn set_stderr(stderr: Box<Writer:Send>) -> Option<Box<Writer:Send>> {
 fn with_task_stdout(f: |&mut Writer| -> IoResult<()>) {
     let result = if Local::exists(None::<Task>) {
         let mut my_stdout = local_stdout.replace(None).unwrap_or_else(|| {
-            box stdout() as Box<Writer:Send>
+            box stdout() as Box<Writer + Send>
         });
         let result = f(my_stdout);
         local_stdout.replace(Some(my_stdout));
diff --git a/src/libstd/io/timer.rs b/src/libstd/io/timer.rs
index 1529cf8f92d..da099953a49 100644
--- a/src/libstd/io/timer.rs
+++ b/src/libstd/io/timer.rs
@@ -64,7 +64,7 @@ use rt::rtio::{IoFactory, LocalIo, RtioTimer, Callback};
 /// # }
 /// ```
 pub struct Timer {
-    obj: Box<RtioTimer:Send>,
+    obj: Box<RtioTimer + Send>,
 }
 
 struct TimerCallback { tx: Sender<()> }