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src/doc/tutorial.md

@@ -2518,8 +2518,8 @@ valid types:
 trait Foo {}
 trait Bar<T> {}
 
-fn sendable_foo(f: Box<Foo:Send>) { /* ... */ }
-fn shareable_bar<T: Share>(b: &Bar<T>: Share) { /* ... */ }
+fn sendable_foo(f: Box<Foo + Send>) { /* ... */ }
+fn shareable_bar<T: Share>(b: &Bar<T> + Share) { /* ... */ }
 ~~~
 
 When no colon is specified (such as the type `~Foo`), it is inferred that the

src/libcollections/bitv.rs

@@ -842,20 +842,6 @@ impl cmp::PartialEq for BitvSet {
 }
 
 impl fmt::Show for BitvSet {
-    #[cfg(stage0)]
-    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-        try!(write!(fmt, r"\{"));
-        let mut first = true;
-        for n in self.iter() {
-            if !first {
-                try!(write!(fmt, ", "));
-            }
-            try!(write!(fmt, "{}", n));
-            first = false;
-        }
-        write!(fmt, r"\}")
-    }
-    #[cfg(not(stage0))]
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         try!(write!(fmt, "{{"));
         let mut first = true;

src/libcollections/smallintmap.rs

@@ -185,18 +185,6 @@ impl<V:Clone> SmallIntMap<V> {
 }
 
 impl<V: fmt::Show> fmt::Show for SmallIntMap<V> {
-    #[cfg(stage0)]
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        try!(write!(f, r"\{"));
-
-        for (i, (k, v)) in self.iter().enumerate() {
-            if i != 0 { try!(write!(f, ", ")); }
-            try!(write!(f, "{}: {}", k, *v));
-        }
-
-        write!(f, r"\}")
-    }
-    #[cfg(not(stage0))]
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         try!(write!(f, "{{"));
 

src/libcollections/treemap.rs

@@ -76,18 +76,6 @@ impl<K: PartialOrd + Ord, V: PartialOrd> PartialOrd for TreeMap<K, V> {
 }
 
 impl<K: Ord + Show, V: Show> Show for TreeMap<K, V> {
-    #[cfg(stage0)]
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        try!(write!(f, r"\{"));
-
-        for (i, (k, v)) in self.iter().enumerate() {
-            if i != 0 { try!(write!(f, ", ")); }
-            try!(write!(f, "{}: {}", *k, *v));
-        }
-
-        write!(f, r"\}")
-    }
-    #[cfg(not(stage0))]
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         try!(write!(f, "{{"));
 
@@ -586,18 +574,6 @@ impl<T: PartialOrd + Ord> PartialOrd for TreeSet<T> {
 }
 
 impl<T: Ord + Show> Show for TreeSet<T> {
-    #[cfg(stage0)]
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        try!(write!(f, r"\{"));
-
-        for (i, x) in self.iter().enumerate() {
-            if i != 0 { try!(write!(f, ", ")); }
-            try!(write!(f, "{}", *x));
-        }
-
-        write!(f, r"\}")
-    }
-    #[cfg(not(stage0))]
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         try!(write!(f, "{{"));
 

src/libcore/fmt/mod.rs

@@ -744,11 +744,6 @@ impl Show for () {
 }
 
 impl<T: Copy + Show> Show for Cell<T> {
-    #[cfg(stage0)]
-    fn fmt(&self, f: &mut Formatter) -> Result {
-        write!(f, r"Cell \{ value: {} \}", self.get())
-    }
-    #[cfg(not(stage0))]
     fn fmt(&self, f: &mut Formatter) -> Result {
         write!(f, "Cell {{ value: {} }}", self.get())
     }

src/libcore/fmt/rt.rs

@@ -15,9 +15,6 @@
 //! these can be statically allocated and are slightly optimized for the runtime
 
 
-#[cfg(stage0)]
-use option::Option;
-
 #[doc(hidden)]
 pub enum Piece<'a> {
     String(&'a str),
@@ -28,8 +25,6 @@ pub enum Piece<'a> {
 pub struct Argument<'a> {
     pub position: Position,
     pub format: FormatSpec,
-    #[cfg(stage0)]
-    pub method: Option<uint>,
 }
 
 #[doc(hidden)]

src/libcore/intrinsics.rs

@@ -100,10 +100,6 @@ pub trait TyVisitor {
 
     fn visit_char(&mut self) -> bool;
 
-    #[cfg(stage0)]
-    fn visit_estr_box(&mut self) -> bool;
-    #[cfg(stage0)]
-    fn visit_estr_uniq(&mut self) -> bool;
     fn visit_estr_slice(&mut self) -> bool;
     fn visit_estr_fixed(&mut self, n: uint, sz: uint, align: uint) -> bool;
 
@@ -112,10 +108,6 @@ pub trait TyVisitor {
     fn visit_ptr(&mut self, mtbl: uint, inner: *TyDesc) -> bool;
     fn visit_rptr(&mut self, mtbl: uint, inner: *TyDesc) -> bool;
 
-    #[cfg(stage0)]
-    fn visit_evec_box(&mut self, mtbl: uint, inner: *TyDesc) -> bool;
-    #[cfg(stage0)]
-    fn visit_evec_uniq(&mut self, mtbl: uint, inner: *TyDesc) -> bool;
     fn visit_evec_slice(&mut self, mtbl: uint, inner: *TyDesc) -> bool;
     fn visit_evec_fixed(&mut self, n: uint, sz: uint, align: uint,
                         mtbl: uint, inner: *TyDesc) -> bool;

src/libdebug/reflect.rs

@@ -193,16 +193,6 @@ impl<V:TyVisitor + MovePtr> TyVisitor for MovePtrAdaptor<V> {
         true
     }
 
-    #[cfg(stage0)]
-    fn visit_estr_box(&mut self) -> bool {
-        true
-    }
-
-    #[cfg(stage0)]
-    fn visit_estr_uniq(&mut self) -> bool {
-        false
-    }
-
     fn visit_estr_slice(&mut self) -> bool {
         self.align_to::<&'static str>();
         if ! self.inner.visit_estr_slice() { return false; }
@@ -247,16 +237,6 @@ impl<V:TyVisitor + MovePtr> TyVisitor for MovePtrAdaptor<V> {
         true
     }
 
-    #[cfg(stage0)]
-    fn visit_evec_box(&mut self, _mtbl: uint, _inner: *TyDesc) -> bool {
-        true
-    }
-
-    #[cfg(stage0)]
-    fn visit_evec_uniq(&mut self, _mtbl: uint, _inner: *TyDesc) -> bool {
-        false
-    }
-
     fn visit_evec_slice(&mut self, mtbl: uint, inner: *TyDesc) -> bool {
         self.align_to::<&'static [u8]>();
         if ! self.inner.visit_evec_slice(mtbl, inner) { return false; }

src/libdebug/repr.rs

@@ -269,16 +269,6 @@ impl<'a> TyVisitor for ReprVisitor<'a> {
         })
     }
 
-    #[cfg(stage0)]
-    fn visit_estr_box(&mut self) -> bool {
-        false
-    }
-
-    #[cfg(stage0)]
-    fn visit_estr_uniq(&mut self) -> bool {
-        false
-    }
-
     fn visit_estr_slice(&mut self) -> bool {
         self.get::<&str>(|this, s| this.write_escaped_slice(*s))
     }
@@ -320,16 +310,6 @@ impl<'a> TyVisitor for ReprVisitor<'a> {
         })
     }
 
-    #[cfg(stage0)]
-    fn visit_evec_box(&mut self, _mtbl: uint, _inner: *TyDesc) -> bool {
-        true
-    }
-
-    #[cfg(stage0)]
-    fn visit_evec_uniq(&mut self, _mtbl: uint, _inner: *TyDesc) -> bool {
-        true
-    }
-
     fn visit_evec_slice(&mut self, mtbl: uint, inner: *TyDesc) -> bool {
         self.get::<raw::Slice<()>>(|this, s| {
             try!(this, this.writer.write(['&' as u8]));

src/libgreen/basic.rs

@@ -23,16 +23,16 @@ use std::rt::rtio::{PausableIdleCallback, Callback};
 use std::rt::exclusive::Exclusive;
 
 /// This is the only exported function from this module.
-pub fn event_loop() -> Box<EventLoop:Send> {
-    box BasicLoop::new() as Box<EventLoop:Send>
+pub fn event_loop() -> Box<EventLoop + Send> {
+    box BasicLoop::new() as Box<EventLoop + Send>
 }
 
 struct BasicLoop {
-    work: Vec<proc():Send>,             // pending work
-    remotes: Vec<(uint, Box<Callback:Send>)>,
+    work: Vec<proc(): Send>,             // pending work
+    remotes: Vec<(uint, Box<Callback + Send>)>,
     next_remote: uint,
     messages: Arc<Exclusive<Vec<Message>>>,
-    idle: Option<Box<Callback:Send>>,
+    idle: Option<Box<Callback + Send>>,
     idle_active: Option<Arc<atomics::AtomicBool>>,
 }
 
@@ -132,22 +132,22 @@ impl EventLoop for BasicLoop {
     }
 
     // FIXME: Seems like a really weird requirement to have an event loop provide.
-    fn pausable_idle_callback(&mut self, cb: Box<Callback:Send>)
-                              -> Box<PausableIdleCallback:Send> {
+    fn pausable_idle_callback(&mut self, cb: Box<Callback + Send>)
+                              -> Box<PausableIdleCallback + Send> {
         rtassert!(self.idle.is_none());
         self.idle = Some(cb);
         let a = Arc::new(atomics::AtomicBool::new(true));
         self.idle_active = Some(a.clone());
-        box BasicPausable { active: a } as Box<PausableIdleCallback:Send>
+        box BasicPausable { active: a } as Box<PausableIdleCallback + Send>
     }
 
-    fn remote_callback(&mut self, f: Box<Callback:Send>)
-                       -> Box<RemoteCallback:Send> {
+    fn remote_callback(&mut self, f: Box<Callback + Send>)
+                       -> Box<RemoteCallback + Send> {
         let id = self.next_remote;
         self.next_remote += 1;
         self.remotes.push((id, f));
         box BasicRemote::new(self.messages.clone(), id) as
-            Box<RemoteCallback:Send>
+            Box<RemoteCallback + Send>
     }
 
     fn io<'a>(&'a mut self) -> Option<&'a mut IoFactory> { None }

src/libgreen/lib.rs

@@ -288,7 +288,7 @@ macro_rules! green_start( ($f:ident) => (
 /// The return value is used as the process return code. 0 on success, 101 on
 /// error.
 pub fn start(argc: int, argv: **u8,
-             event_loop_factory: fn() -> Box<rtio::EventLoop:Send>,
+             event_loop_factory: fn() -> Box<rtio::EventLoop + Send>,
              main: proc():Send) -> int {
     rt::init(argc, argv);
     let mut main = Some(main);
@@ -309,7 +309,7 @@ pub fn start(argc: int, argv: **u8,
 ///
 /// This function will not return until all schedulers in the associated pool
 /// have returned.
-pub fn run(event_loop_factory: fn() -> Box<rtio::EventLoop:Send>,
+pub fn run(event_loop_factory: fn() -> Box<rtio::EventLoop + Send>,
            main: proc():Send) -> int {
     // Create a scheduler pool and spawn the main task into this pool. We will
     // get notified over a channel when the main task exits.
@@ -340,7 +340,7 @@ pub struct PoolConfig {
     pub threads: uint,
     /// A factory function used to create new event loops. If this is not
     /// specified then the default event loop factory is used.
-    pub event_loop_factory: fn() -> Box<rtio::EventLoop:Send>,
+    pub event_loop_factory: fn() -> Box<rtio::EventLoop + Send>,
 }
 
 impl PoolConfig {
@@ -365,7 +365,7 @@ pub struct SchedPool {
     stack_pool: StackPool,
     deque_pool: deque::BufferPool<Box<task::GreenTask>>,
     sleepers: SleeperList,
-    factory: fn() -> Box<rtio::EventLoop:Send>,
+    factory: fn() -> Box<rtio::EventLoop + Send>,
     task_state: TaskState,
     tasks_done: Receiver<()>,
 }

src/libgreen/sched.rs

@@ -83,7 +83,7 @@ pub struct Scheduler {
     /// A fast XorShift rng for scheduler use
     rng: XorShiftRng,
     /// A toggleable idle callback
-    idle_callback: Option<Box<PausableIdleCallback:Send>>,
+    idle_callback: Option<Box<PausableIdleCallback + Send>>,
     /// A countdown that starts at a random value and is decremented
     /// every time a yield check is performed. When it hits 0 a task
     /// will yield.
@@ -100,7 +100,7 @@ pub struct Scheduler {
     //      destroyed before it's actually destroyed.
 
     /// The event loop used to drive the scheduler and perform I/O
-    pub event_loop: Box<EventLoop:Send>,
+    pub event_loop: Box<EventLoop + Send>,
 }
 
 /// An indication of how hard to work on a given operation, the difference
@@ -123,7 +123,7 @@ impl Scheduler {
     // * Initialization Functions
 
     pub fn new(pool_id: uint,
-               event_loop: Box<EventLoop:Send>,
+               event_loop: Box<EventLoop + Send>,
                work_queue: deque::Worker<Box<GreenTask>>,
                work_queues: Vec<deque::Stealer<Box<GreenTask>>>,
                sleeper_list: SleeperList,
@@ -136,7 +136,7 @@ impl Scheduler {
     }
 
     pub fn new_special(pool_id: uint,
-                       event_loop: Box<EventLoop:Send>,
+                       event_loop: Box<EventLoop + Send>,
                        work_queue: deque::Worker<Box<GreenTask>>,
                        work_queues: Vec<deque::Stealer<Box<GreenTask>>>,
                        sleeper_list: SleeperList,
@@ -183,7 +183,7 @@ impl Scheduler {
     pub fn bootstrap(mut ~self) {
 
         // Build an Idle callback.
-        let cb = box SchedRunner as Box<Callback:Send>;
+        let cb = box SchedRunner as Box<Callback + Send>;
         self.idle_callback = Some(self.event_loop.pausable_idle_callback(cb));
 
         // Create a task for the scheduler with an empty context.
@@ -231,7 +231,7 @@ impl Scheduler {
         // mutable reference to the event_loop to give it the "run"
         // command.
         unsafe {
-            let event_loop: *mut Box<EventLoop:Send> = &mut self.event_loop;
+            let event_loop: *mut Box<EventLoop + Send> = &mut self.event_loop;
             // Our scheduler must be in the task before the event loop
             // is started.
             stask.put_with_sched(self);
@@ -904,7 +904,7 @@ pub enum SchedMessage {
 }
 
 pub struct SchedHandle {
-    remote: Box<RemoteCallback:Send>,
+    remote: Box<RemoteCallback + Send>,
     queue: msgq::Producer<SchedMessage>,
     pub sched_id: uint
 }

src/liblog/lib.rs

@@ -155,7 +155,7 @@ pub static WARN: u32 = 2;
 /// Error log level
 pub static ERROR: u32 = 1;
 
-local_data_key!(local_logger: Box<Logger:Send>)
+local_data_key!(local_logger: Box<Logger + Send>)
 
 /// A trait used to represent an interface to a task-local logger. Each task
 /// can have its own custom logger which can respond to logging messages
@@ -226,7 +226,7 @@ pub fn log(level: u32, loc: &'static LogLocation, args: &fmt::Arguments) {
     // frob the slot while we're doing the logging. This will destroy any logger
     // set during logging.
     let mut logger = local_logger.replace(None).unwrap_or_else(|| {
-        box DefaultLogger { handle: io::stderr() } as Box<Logger:Send>
+        box DefaultLogger { handle: io::stderr() } as Box<Logger + Send>
     });
     logger.log(&LogRecord {
         level: LogLevel(level),
@@ -246,7 +246,7 @@ pub fn log_level() -> u32 { unsafe { LOG_LEVEL } }
 
 /// Replaces the task-local logger with the specified logger, returning the old
 /// logger.
-pub fn set_logger(logger: Box<Logger:Send>) -> Option<Box<Logger:Send>> {
+pub fn set_logger(logger: Box<Logger + Send>) -> Option<Box<Logger + Send>> {
     local_logger.replace(Some(logger))
 }
 

src/libnative/io/file_unix.rs

@@ -167,8 +167,8 @@ impl rtio::RtioPipe for FileDesc {
     fn write(&mut self, buf: &[u8]) -> IoResult<()> {
         self.inner_write(buf)
     }
-    fn clone(&self) -> Box<rtio::RtioPipe:Send> {
-        box FileDesc { inner: self.inner.clone() } as Box<rtio::RtioPipe:Send>
+    fn clone(&self) -> Box<rtio::RtioPipe + Send> {
+        box FileDesc { inner: self.inner.clone() } as Box<rtio::RtioPipe + Send>
     }
 
     // Only supported on named pipes currently. Note that this doesn't have an