core::rt: Rename WorkQueue methods, remove extra push method

src/libcore/rt/sched.rs

@@ -112,7 +112,7 @@ pub impl Scheduler {
     /// to run it later. Always use this instead of pushing to the work queue
     /// directly.
     fn enqueue_task(&mut self, task: ~Coroutine) {
-        self.work_queue.push_front(task);
+        self.work_queue.push(task);
         self.event_loop.callback(resume_task_from_queue);
 
         fn resume_task_from_queue() {
@@ -129,7 +129,7 @@ pub impl Scheduler {
         rtdebug!("looking in work queue for task to schedule");
 
         let mut this = self;
-        match this.work_queue.pop_front() {
+        match this.work_queue.pop() {
             Some(task) => {
                 rtdebug!("resuming task from work queue");
                 this.resume_task_immediately(task);

src/libcore/rt/work_queue.rs

@@ -23,25 +23,21 @@ pub impl<T> WorkQueue<T> {
         }
     }
 
-    fn push_back(&mut self, value: T) {
-        self.queue.push(value)
+    fn push(&mut self, value: T) {
+        self.queue.unshift(value)
     }
 
-    fn pop_back(&mut self) -> Option<T> {
+    fn pop(&mut self) -> Option<T> {
         if !self.queue.is_empty() {
-            Some(self.queue.pop())
+            Some(self.queue.shift())
         } else {
             None
         }
     }
 
-    fn push_front(&mut self, value: T) {
-        self.queue.unshift(value)
-    }
-
-    fn pop_front(&mut self) -> Option<T> {
+    fn steal(&mut self) -> Option<T> {
         if !self.queue.is_empty() {
-            Some(self.queue.shift())
+            Some(self.queue.pop())
         } else {
             None
         }