auto merge of #14900 : alexcrichton/rust/snapshots, r=huonw

Closes #14898
Closes #14918

src/librustrt/local_data.rs

@@ -91,7 +91,7 @@ impl<T: 'static> LocalData for T {}
 //      a proper map.
 #[doc(hidden)]
 pub type Map = Vec<Option<(*u8, TLSValue, uint)>>;
-type TLSValue = Box<LocalData:Send>;
+type TLSValue = Box<LocalData + Send>;
 
 // Gets the map from the runtime. Lazily initialises if not done so already.
 unsafe fn get_local_map() -> Option<&mut Map> {
@@ -175,7 +175,7 @@ impl<T: 'static> KeyValue<T> {
         // anything.
         let newval = data.map(|d| {
             let d = box d as Box<LocalData>;
-            let d: Box<LocalData:Send> = unsafe { mem::transmute(d) };
+            let d: Box<LocalData + Send> = unsafe { mem::transmute(d) };
             (keyval, d, 0)
         });
 
@@ -236,7 +236,7 @@ impl<T: 'static> KeyValue<T> {
             // pointer part of the trait, (as ~T), and then use
             // compiler coercions to achieve a '&' pointer.
             let ptr = unsafe {
-                let data = data as *Box<LocalData:Send> as *raw::TraitObject;
+                let data = data as *Box<LocalData + Send> as *raw::TraitObject;
                 &mut *((*data).data as *mut T)
             };
             Ref { _ptr: ptr, _index: pos, _nosend: marker::NoSend, _key: self }

src/librustrt/rtio.rs

@@ -25,11 +25,11 @@ use task::Task;
 
 pub trait EventLoop {
     fn run(&mut self);
-    fn callback(&mut self, arg: proc():Send);
-    fn pausable_idle_callback(&mut self, Box<Callback:Send>)
-                              -> Box<PausableIdleCallback:Send>;
-    fn remote_callback(&mut self, Box<Callback:Send>)
-                       -> Box<RemoteCallback:Send>;
+    fn callback(&mut self, arg: proc(): Send);
+    fn pausable_idle_callback(&mut self, Box<Callback + Send>)
+                              -> Box<PausableIdleCallback + Send>;
+    fn remote_callback(&mut self, Box<Callback + Send>)
+                       -> Box<RemoteCallback + Send>;
 
     /// The asynchronous I/O services. Not all event loops may provide one.
     fn io<'a>(&'a mut self) -> Option<&'a mut IoFactory>;
@@ -189,24 +189,24 @@ impl<'a> LocalIo<'a> {
 pub trait IoFactory {
     // networking
     fn tcp_connect(&mut self, addr: SocketAddr,
-                   timeout: Option<u64>) -> IoResult<Box<RtioTcpStream:Send>>;
+                   timeout: Option<u64>) -> IoResult<Box<RtioTcpStream + Send>>;
     fn tcp_bind(&mut self, addr: SocketAddr)
-                -> IoResult<Box<RtioTcpListener:Send>>;
+                -> IoResult<Box<RtioTcpListener + Send>>;
     fn udp_bind(&mut self, addr: SocketAddr)
-                -> IoResult<Box<RtioUdpSocket:Send>>;
+                -> IoResult<Box<RtioUdpSocket + Send>>;
     fn unix_bind(&mut self, path: &CString)
-                 -> IoResult<Box<RtioUnixListener:Send>>;
+                 -> IoResult<Box<RtioUnixListener + Send>>;
     fn unix_connect(&mut self, path: &CString,
-                    timeout: Option<u64>) -> IoResult<Box<RtioPipe:Send>>;
+                    timeout: Option<u64>) -> IoResult<Box<RtioPipe + Send>>;
     fn get_host_addresses(&mut self, host: Option<&str>, servname: Option<&str>,
                           hint: Option<AddrinfoHint>)
                           -> IoResult<Vec<AddrinfoInfo>>;
 
     // filesystem operations
     fn fs_from_raw_fd(&mut self, fd: c_int, close: CloseBehavior)
-                      -> Box<RtioFileStream:Send>;
+                      -> Box<RtioFileStream + Send>;
     fn fs_open(&mut self, path: &CString, fm: FileMode, fa: FileAccess)
-               -> IoResult<Box<RtioFileStream:Send>>;
+               -> IoResult<Box<RtioFileStream + Send>>;
     fn fs_unlink(&mut self, path: &CString) -> IoResult<()>;
     fn fs_stat(&mut self, path: &CString) -> IoResult<FileStat>;
     fn fs_mkdir(&mut self, path: &CString, mode: uint) -> IoResult<()>;
@@ -225,24 +225,24 @@ pub trait IoFactory {
         IoResult<()>;
 
     // misc
-    fn timer_init(&mut self) -> IoResult<Box<RtioTimer:Send>>;
+    fn timer_init(&mut self) -> IoResult<Box<RtioTimer + Send>>;
     fn spawn(&mut self, cfg: ProcessConfig)
-            -> IoResult<(Box<RtioProcess:Send>,
-                         Vec<Option<Box<RtioPipe:Send>>>)>;
+            -> IoResult<(Box<RtioProcess + Send>,
+                         Vec<Option<Box<RtioPipe + Send>>>)>;
     fn kill(&mut self, pid: libc::pid_t, signal: int) -> IoResult<()>;
-    fn pipe_open(&mut self, fd: c_int) -> IoResult<Box<RtioPipe:Send>>;
+    fn pipe_open(&mut self, fd: c_int) -> IoResult<Box<RtioPipe + Send>>;
     fn tty_open(&mut self, fd: c_int, readable: bool)
-            -> IoResult<Box<RtioTTY:Send>>;
-    fn signal(&mut self, signal: int, cb: Box<Callback:Send>)
-        -> IoResult<Box<RtioSignal:Send>>;
+            -> IoResult<Box<RtioTTY + Send>>;
+    fn signal(&mut self, signal: int, cb: Box<Callback + Send>)
+        -> IoResult<Box<RtioSignal + Send>>;
 }
 
 pub trait RtioTcpListener : RtioSocket {
-    fn listen(~self) -> IoResult<Box<RtioTcpAcceptor:Send>>;
+    fn listen(~self) -> IoResult<Box<RtioTcpAcceptor + Send>>;
 }
 
 pub trait RtioTcpAcceptor : RtioSocket {
-    fn accept(&mut self) -> IoResult<Box<RtioTcpStream:Send>>;
+    fn accept(&mut self) -> IoResult<Box<RtioTcpStream + Send>>;
     fn accept_simultaneously(&mut self) -> IoResult<()>;
     fn dont_accept_simultaneously(&mut self) -> IoResult<()>;
     fn set_timeout(&mut self, timeout: Option<u64>);
@@ -256,7 +256,7 @@ pub trait RtioTcpStream : RtioSocket {
     fn nodelay(&mut self) -> IoResult<()>;
     fn keepalive(&mut self, delay_in_seconds: uint) -> IoResult<()>;
     fn letdie(&mut self) -> IoResult<()>;
-    fn clone(&self) -> Box<RtioTcpStream:Send>;
+    fn clone(&self) -> Box<RtioTcpStream + Send>;
     fn close_write(&mut self) -> IoResult<()>;
     fn close_read(&mut self) -> IoResult<()>;
     fn set_timeout(&mut self, timeout_ms: Option<u64>);
@@ -284,7 +284,7 @@ pub trait RtioUdpSocket : RtioSocket {
     fn hear_broadcasts(&mut self) -> IoResult<()>;
     fn ignore_broadcasts(&mut self) -> IoResult<()>;
 
-    fn clone(&self) -> Box<RtioUdpSocket:Send>;
+    fn clone(&self) -> Box<RtioUdpSocket + Send>;
     fn set_timeout(&mut self, timeout_ms: Option<u64>);
     fn set_read_timeout(&mut self, timeout_ms: Option<u64>);
     fn set_write_timeout(&mut self, timeout_ms: Option<u64>);
@@ -292,8 +292,8 @@ pub trait RtioUdpSocket : RtioSocket {
 
 pub trait RtioTimer {
     fn sleep(&mut self, msecs: u64);
-    fn oneshot(&mut self, msecs: u64, cb: Box<Callback:Send>);
-    fn period(&mut self, msecs: u64, cb: Box<Callback:Send>);
+    fn oneshot(&mut self, msecs: u64, cb: Box<Callback + Send>);
+    fn period(&mut self, msecs: u64, cb: Box<Callback + Send>);
 }
 
 pub trait RtioFileStream {
@@ -319,7 +319,7 @@ pub trait RtioProcess {
 pub trait RtioPipe {
     fn read(&mut self, buf: &mut [u8]) -> IoResult<uint>;
     fn write(&mut self, buf: &[u8]) -> IoResult<()>;
-    fn clone(&self) -> Box<RtioPipe:Send>;
+    fn clone(&self) -> Box<RtioPipe + Send>;
 
     fn close_write(&mut self) -> IoResult<()>;
     fn close_read(&mut self) -> IoResult<()>;
@@ -329,11 +329,11 @@ pub trait RtioPipe {
 }
 
 pub trait RtioUnixListener {
-    fn listen(~self) -> IoResult<Box<RtioUnixAcceptor:Send>>;
+    fn listen(~self) -> IoResult<Box<RtioUnixAcceptor + Send>>;
 }
 
 pub trait RtioUnixAcceptor {
-    fn accept(&mut self) -> IoResult<Box<RtioPipe:Send>>;
+    fn accept(&mut self) -> IoResult<Box<RtioPipe + Send>>;
     fn set_timeout(&mut self, timeout: Option<u64>);
 }
 

src/librustrt/task.rs

@@ -46,12 +46,12 @@ pub struct Task {
     pub destroyed: bool,
     pub name: Option<SendStr>,
 
-    imp: Option<Box<Runtime:Send>>,
+    imp: Option<Box<Runtime + Send>>,
 }
 
 pub struct TaskOpts {
     /// Invoke this procedure with the result of the task when it finishes.
-    pub on_exit: Option<proc(Result):Send>,
+    pub on_exit: Option<proc(Result): Send>,
     /// A name for the task-to-be, for identification in failure messages
     pub name: Option<SendStr>,
     /// The size of the stack for the spawned task
@@ -64,7 +64,7 @@ pub struct TaskOpts {
 ///
 /// If you wish for this result's delivery to block until all
 /// children tasks complete, recommend using a result future.
-pub type Result = ::core::result::Result<(), Box<Any:Send>>;
+pub type Result = ::core::result::Result<(), Box<Any + Send>>;
 
 pub struct GarbageCollector;
 pub struct LocalStorage(pub Option<local_data::Map>);
@@ -79,7 +79,7 @@ pub enum BlockedTask {
 
 /// Per-task state related to task death, killing, failure, etc.
 pub struct Death {
-    pub on_exit: Option<proc(Result):Send>,
+    pub on_exit: Option<proc(Result): Send>,
 }
 
 pub struct BlockedTasks {
@@ -177,7 +177,7 @@ impl Task {
     /// Inserts a runtime object into this task, transferring ownership to the
     /// task. It is illegal to replace a previous runtime object in this task
     /// with this argument.
-    pub fn put_runtime(&mut self, ops: Box<Runtime:Send>) {
+    pub fn put_runtime(&mut self, ops: Box<Runtime + Send>) {
         assert!(self.imp.is_none());
         self.imp = Some(ops);
     }
@@ -207,7 +207,7 @@ impl Task {
                 Ok(t) => Some(t),
                 Err(t) => {
                     let data = mem::transmute::<_, raw::TraitObject>(t).data;
-                    let obj: Box<Runtime:Send> =
+                    let obj: Box<Runtime + Send> =
                         mem::transmute(raw::TraitObject {
                             vtable: vtable,
                             data: data,
@@ -221,7 +221,7 @@ impl Task {
 
     /// Spawns a sibling to this task. The newly spawned task is configured with
     /// the `opts` structure and will run `f` as the body of its code.
-    pub fn spawn_sibling(mut ~self, opts: TaskOpts, f: proc():Send) {
+    pub fn spawn_sibling(mut ~self, opts: TaskOpts, f: proc(): Send) {
         let ops = self.imp.take_unwrap();
         ops.spawn_sibling(self, opts, f)
     }

src/librustrt/unwind.rs

@@ -78,15 +78,15 @@ use uw = libunwind;
 
 pub struct Unwinder {
     unwinding: bool,
-    cause: Option<Box<Any:Send>>
+    cause: Option<Box<Any + Send>>
 }
 
 struct Exception {
     uwe: uw::_Unwind_Exception,
-    cause: Option<Box<Any:Send>>,
+    cause: Option<Box<Any + Send>>,
 }
 
-pub type Callback = fn(msg: &Any:Send, file: &'static str, line: uint);
+pub type Callback = fn(msg: &Any + Send, file: &'static str, line: uint);
 
 // Variables used for invoking callbacks when a task starts to unwind.
 //
@@ -148,7 +148,7 @@ impl Unwinder {
 ///   guaranteed that a rust task is in place when invoking this function.
 ///   Unwinding twice can lead to resource leaks where some destructors are not
 ///   run.
-pub unsafe fn try(f: ||) -> ::core::result::Result<(), Box<Any:Send>> {
+pub unsafe fn try(f: ||) -> ::core::result::Result<(), Box<Any + Send>> {
     let closure: Closure = mem::transmute(f);
     let ep = rust_try(try_fn, closure.code as *c_void,
                       closure.env as *c_void);
@@ -187,7 +187,7 @@ pub unsafe fn try(f: ||) -> ::core::result::Result<(), Box<Any:Send>> {
 // An uninlined, unmangled function upon which to slap yer breakpoints
 #[inline(never)]
 #[no_mangle]
-fn rust_fail(cause: Box<Any:Send>) -> ! {
+fn rust_fail(cause: Box<Any + Send>) -> ! {
     rtdebug!("begin_unwind()");
 
     unsafe {
@@ -457,7 +457,7 @@ pub fn begin_unwind<M: Any + Send>(msg: M, file: &'static str, line: uint) -> !
 /// Do this split took the LLVM IR line counts of `fn main() { fail!()
 /// }` from ~1900/3700 (-O/no opts) to 180/590.
 #[inline(never)] #[cold] // this is the slow path, please never inline this
-fn begin_unwind_inner(msg: Box<Any:Send>,
+fn begin_unwind_inner(msg: Box<Any + Send>,
                       file: &'static str,
                       line: uint) -> ! {
     // First, invoke call the user-defined callbacks triggered on task failure.