Fallout from stabilizing core::option

src/compiletest/procsrv.rs

@@ -47,7 +47,7 @@ pub fn run(lib_path: &str,
     match cmd.spawn() {
         Ok(mut process) => {
             for input in input.iter() {
-                process.stdin.get_mut_ref().write(input.as_bytes()).unwrap();
+                process.stdin.as_mut().unwrap().write(input.as_bytes()).unwrap();
             }
             let ProcessOutput { status, output, error } =
                 process.wait_with_output().unwrap();
@@ -79,7 +79,7 @@ pub fn run_background(lib_path: &str,
     match cmd.spawn() {
         Ok(mut process) => {
             for input in input.iter() {
-                process.stdin.get_mut_ref().write(input.as_bytes()).unwrap();
+                process.stdin.as_mut().unwrap().write(input.as_bytes()).unwrap();
             }
 
             Some(process)

src/compiletest/runtest.rs

@@ -1526,7 +1526,7 @@ fn compile_cc_with_clang_and_save_bitcode(config: &Config, _props: &TestProps,
     let testcc = testfile.with_extension("cc");
     let proc_args = ProcArgs {
         // FIXME (#9639): This needs to handle non-utf8 paths
-        prog: config.clang_path.get_ref().as_str().unwrap().to_string(),
+        prog: config.clang_path.as_ref().unwrap().as_str().unwrap().to_string(),
         args: vec!("-c".to_string(),
                    "-emit-llvm".to_string(),
                    "-o".to_string(),
@@ -1542,7 +1542,7 @@ fn extract_function_from_bitcode(config: &Config, _props: &TestProps,
     let bitcodefile = output_base_name(config, testfile).with_extension("bc");
     let bitcodefile = append_suffix_to_stem(&bitcodefile, suffix);
     let extracted_bc = append_suffix_to_stem(&bitcodefile, "extract");
-    let prog = config.llvm_bin_path.get_ref().join("llvm-extract");
+    let prog = config.llvm_bin_path.as_ref().unwrap().join("llvm-extract");
     let proc_args = ProcArgs {
         // FIXME (#9639): This needs to handle non-utf8 paths
         prog: prog.as_str().unwrap().to_string(),
@@ -1559,7 +1559,7 @@ fn disassemble_extract(config: &Config, _props: &TestProps,
     let bitcodefile = append_suffix_to_stem(&bitcodefile, suffix);
     let extracted_bc = append_suffix_to_stem(&bitcodefile, "extract");
     let extracted_ll = extracted_bc.with_extension("ll");
-    let prog = config.llvm_bin_path.get_ref().join("llvm-dis");
+    let prog = config.llvm_bin_path.as_ref().unwrap().join("llvm-dis");
     let proc_args = ProcArgs {
         // FIXME (#9639): This needs to handle non-utf8 paths
         prog: prog.as_str().unwrap().to_string(),

src/libarena/lib.rs

@@ -476,7 +476,7 @@ impl<T> TypedArena<T> {
     /// Grows the arena.
     #[inline(never)]
     fn grow(&self) {
-        let chunk = self.first.borrow_mut().take_unwrap();
+        let chunk = self.first.borrow_mut().take().unwrap();
         let new_capacity = chunk.capacity.checked_mul(&2).unwrap();
         let chunk = TypedArenaChunk::<T>::new(Some(chunk), new_capacity);
         self.ptr.set(chunk.start() as *const T);
@@ -489,13 +489,13 @@ impl<T> TypedArena<T> {
 impl<T> Drop for TypedArena<T> {
     fn drop(&mut self) {
         // Determine how much was filled.
-        let start = self.first.borrow().get_ref().start() as uint;
+        let start = self.first.borrow().as_ref().unwrap().start() as uint;
         let end = self.ptr.get() as uint;
         let diff = (end - start) / mem::size_of::<T>();
 
         // Pass that to the `destroy` method.
         unsafe {
-            self.first.borrow_mut().get_mut_ref().destroy(diff)
+            self.first.borrow_mut().as_mut().unwrap().destroy(diff)
         }
     }
 }

src/libcollections/dlist.rs

@@ -630,7 +630,7 @@ impl<'a, A> MutItems<'a, A> {
                     None => return self.list.push_front_node(ins_node),
                     Some(prev) => prev,
                 };
-                let node_own = prev_node.next.take_unwrap();
+                let node_own = prev_node.next.take().unwrap();
                 ins_node.next = link_with_prev(node_own, Rawlink::some(&mut *ins_node));
                 prev_node.next = link_with_prev(ins_node, Rawlink::some(prev_node));
                 self.list.length += 1;

src/libcollections/ringbuf.rs

@@ -309,7 +309,7 @@ impl<'a, T> Iterator<&'a T> for Items<'a, T> {
         }
         let raw_index = raw_index(self.lo, self.elts.len(), self.index);
         self.index += 1;
-        Some(self.elts[raw_index].get_ref())
+        Some(self.elts[raw_index].as_ref().unwrap())
     }
 
     #[inline]
@@ -327,7 +327,7 @@ impl<'a, T> DoubleEndedIterator<&'a T> for Items<'a, T> {
         }
         self.rindex -= 1;
         let raw_index = raw_index(self.lo, self.elts.len(), self.rindex);
-        Some(self.elts[raw_index].get_ref())
+        Some(self.elts[raw_index].as_ref().unwrap())
     }
 }
 
@@ -343,7 +343,7 @@ impl<'a, T> RandomAccessIterator<&'a T> for Items<'a, T> {
             None
         } else {
             let raw_index = raw_index(self.lo, self.elts.len(), self.index + j);
-            Some(self.elts[raw_index].get_ref())
+            Some(self.elts[raw_index].as_ref().unwrap())
         }
     }
 }

src/libcollections/treemap.rs

@@ -1447,7 +1447,7 @@ impl<K: Ord, V> TreeNode<K, V> {
 // Remove left horizontal link by rotating right
 fn skew<K: Ord, V>(node: &mut Box<TreeNode<K, V>>) {
     if node.left.as_ref().map_or(false, |x| x.level == node.level) {
-        let mut save = node.left.take_unwrap();
+        let mut save = node.left.take().unwrap();
         swap(&mut node.left, &mut save.right); // save.right now None
         swap(node, &mut save);
         node.right = Some(save);
@@ -1459,7 +1459,7 @@ fn skew<K: Ord, V>(node: &mut Box<TreeNode<K, V>>) {
 fn split<K: Ord, V>(node: &mut Box<TreeNode<K, V>>) {
     if node.right.as_ref().map_or(false,
       |x| x.right.as_ref().map_or(false, |y| y.level == node.level)) {
-        let mut save = node.right.take_unwrap();
+        let mut save = node.right.take().unwrap();
         swap(&mut node.right, &mut save.left); // save.left now None
         save.level += 1;
         swap(node, &mut save);
@@ -1563,7 +1563,7 @@ fn remove<K: Ord, V>(node: &mut Option<Box<TreeNode<K, V>>>,
           Equal => {
             if save.left.is_some() {
                 if save.right.is_some() {
-                    let mut left = save.left.take_unwrap();
+                    let mut left = save.left.take().unwrap();
                     if left.right.is_some() {
                         heir_swap(save, &mut left.right);
                     } else {
@@ -1573,13 +1573,13 @@ fn remove<K: Ord, V>(node: &mut Option<Box<TreeNode<K, V>>>,
                     save.left = Some(left);
                     (remove(&mut save.left, key), true)
                 } else {
-                    let new = save.left.take_unwrap();
+                    let new = save.left.take().unwrap();
                     let box TreeNode{value, ..} = replace(save, new);
-                    *save = save.left.take_unwrap();
+                    *save = save.left.take().unwrap();
                     (Some(value), true)
                 }
             } else if save.right.is_some() {
-                let new = save.right.take_unwrap();
+                let new = save.right.take().unwrap();
                 let box TreeNode{value, ..} = replace(save, new);
                 (Some(value), true)
             } else {

src/libcore/cell.rs

@@ -99,7 +99,7 @@
 //!             // Take a reference to the inside of cache cell
 //!             let mut cache = self.span_tree_cache.borrow_mut();
 //!             if cache.is_some() {
-//!                 return cache.get_ref().clone();
+//!                 return cache.as_ref().unwrap().clone();
 //!             }
 //!
 //!             let span_tree = self.calc_span_tree();

src/libcore/iter.rs

@@ -2191,7 +2191,12 @@ pub fn iterate<'a, T: Clone>(f: |T|: 'a -> T, seed: T) -> Iterate<'a, T> {
         if *first {
             *first = false;
         } else {
-            val.mutate(|x| (*f)(x));
+            match val.take() {
+                Some(x) => {
+                    *val = Some((*f)(x))
+                }
+                None => {}
+            }
         }
         val.clone()
     })

src/libcore/option.rs

@@ -341,7 +341,7 @@ impl<T> Option<T> {
     #[deprecated = "removed due to lack of use"]
     pub fn mutate(&mut self, f: |T| -> T) -> bool {
         if self.is_some() {
-            *self = Some(f(self.take_unwrap()));
+            *self = Some(f(self.take().unwrap()));
             true
         } else { false }
     }
@@ -353,7 +353,7 @@ impl<T> Option<T> {
     #[deprecated = "removed due to lack of use"]
     pub fn mutate_or_set(&mut self, def: T, f: |T| -> T) -> bool {
         if self.is_some() {
-            *self = Some(f(self.take_unwrap()));
+            *self = Some(f(self.take().unwrap()));
             true
         } else {
             *self = Some(def);

src/libcoretest/option.rs

@@ -73,7 +73,7 @@ fn test_option_dance() {
     let mut y = Some(5i);
     let mut y2 = 0;
     for _x in x.iter() {
-        y2 = y.take_unwrap();
+        y2 = y.take().unwrap();
     }
     assert_eq!(y2, 5);
     assert!(y.is_none());
@@ -82,8 +82,8 @@ fn test_option_dance() {
 #[test] #[should_fail]
 fn test_option_too_much_dance() {
     let mut y = Some(marker::NoCopy);
-    let _y2 = y.take_unwrap();
-    let _y3 = y.take_unwrap();
+    let _y2 = y.take().unwrap();
+    let _y3 = y.take().unwrap();
 }
 
 #[test]

src/libglob/lib.rs

@@ -106,7 +106,7 @@ pub fn glob_with(pattern: &str, options: MatchOptions) -> Paths {
     let mut root = os::getcwd();
     let pat_root = Path::new(pattern).root_path();
     if pat_root.is_some() {
-        if check_windows_verbatim(pat_root.get_ref()) {
+        if check_windows_verbatim(pat_root.as_ref().unwrap()) {
             // FIXME: How do we want to handle verbatim paths? I'm inclined to return nothing,
             // since we can't very well find all UNC shares with a 1-letter server name.
             return Paths {
@@ -116,7 +116,7 @@ pub fn glob_with(pattern: &str, options: MatchOptions) -> Paths {
                 todo: Vec::new(),
             };
         }
-        root.push(pat_root.get_ref());
+        root.push(pat_root.as_ref().unwrap());
     }
 
     let root_len = pat_root.map_or(0u, |p| p.as_vec().len());

src/libgreen/lib.rs

@@ -305,7 +305,7 @@ pub fn start(argc: int, argv: *const *const u8,
     let mut main = Some(main);
     let mut ret = None;
     simple::task().run(|| {
-        ret = Some(run(event_loop_factory, main.take_unwrap()));
+        ret = Some(run(event_loop_factory, main.take().unwrap()));
     }).destroy();
     // unsafe is ok b/c we're sure that the runtime is gone
     unsafe { rt::cleanup() }

src/libgreen/sched.rs

@@ -203,7 +203,7 @@ impl Scheduler {
         let mut sched_task = self.run(sched_task);
 
         // Close the idle callback.
-        let mut sched = sched_task.sched.take_unwrap();
+        let mut sched = sched_task.sched.take().unwrap();
         sched.idle_callback.take();
         // Make one go through the loop to run the close callback.
         let mut stask = sched.run(sched_task);
@@ -702,7 +702,7 @@ impl Scheduler {
             assert!(sched.sched_task.is_none());
             sched.sched_task = Some(stask);
         });
-        (cur.sched.take_unwrap(), cur)
+        (cur.sched.take().unwrap(), cur)
     }
 
     fn resume_task_immediately_cl(sched: Box<Scheduler>,
@@ -738,7 +738,7 @@ impl Scheduler {
                                             f: |&mut Scheduler, BlockedTask|) {
         // Trickier - we need to get the scheduler task out of self
         // and use it as the destination.
-        let stask = self.sched_task.take_unwrap();
+        let stask = self.sched_task.take().unwrap();
         // Otherwise this is the same as below.
         self.switch_running_tasks_and_then(cur, stask, f)
     }
@@ -788,7 +788,7 @@ impl Scheduler {
                 sched.enqueue_task(last_task);
             }
         });
-        (cur.sched.take_unwrap(), cur)
+        (cur.sched.take().unwrap(), cur)
     }
 
     // * Task Context Helpers
@@ -800,9 +800,9 @@ impl Scheduler {
                                   -> ! {
         // Similar to deschedule running task and then, but cannot go through
         // the task-blocking path. The task is already dying.
-        let stask = self.sched_task.take_unwrap();
+        let stask = self.sched_task.take().unwrap();
         let _cur = self.change_task_context(cur, stask, |sched, mut dead_task| {
-            let coroutine = dead_task.coroutine.take_unwrap();
+            let coroutine = dead_task.coroutine.take().unwrap();
             coroutine.recycle(&mut sched.stack_pool);
             sched.task_state.decrement();
         });
@@ -818,7 +818,7 @@ impl Scheduler {
     }
 
     pub fn run_task_later(mut cur: Box<GreenTask>, next: Box<GreenTask>) {
-        let mut sched = cur.sched.take_unwrap();
+        let mut sched = cur.sched.take().unwrap();
         sched.enqueue_task(next);
         cur.put_with_sched(sched);
     }
@@ -838,7 +838,7 @@ impl Scheduler {
             self.yield_check_count = reset_yield_check(&mut self.rng);
             // Tell the scheduler to start stealing on the next iteration
             self.steal_for_yield = true;
-            let stask = self.sched_task.take_unwrap();
+            let stask = self.sched_task.take().unwrap();
             let cur = self.change_task_context(cur, stask, |sched, task| {
                 sched.enqueue_task(task);
             });
@@ -878,7 +878,7 @@ impl Scheduler {
     pub fn sched_id(&self) -> uint { self as *const Scheduler as uint }
 
     pub fn run_cleanup_job(&mut self) {
-        let cleanup_job = self.cleanup_job.take_unwrap();
+        let cleanup_job = self.cleanup_job.take().unwrap();
         cleanup_job.run(self)
     }
 
@@ -1235,7 +1235,7 @@ mod test {
 
             fn run(next: Box<GreenTask>) {
                 let mut task = GreenTask::convert(Local::take());
-                let sched = task.sched.take_unwrap();
+                let sched = task.sched.take().unwrap();
                 sched.run_task(task, next)
             }
 

src/libgreen/task.rs

@@ -110,7 +110,7 @@ extern fn bootstrap_green_task(task: uint, code: *mut (), env: *mut ()) -> ! {
     // requested. This is the "try/catch" block for this green task and
     // is the wrapper for *all* code run in the task.
     let mut start = Some(start);
-    let task = task.swap().run(|| start.take_unwrap()()).destroy();
+    let task = task.swap().run(|| start.take().unwrap()()).destroy();
 
     // Once the function has exited, it's time to run the termination
     // routine. This means we need to context switch one more time but
@@ -212,7 +212,7 @@ impl GreenTask {
 
     pub fn take_unwrap_home(&mut self) -> Home {
         match self.task_type {
-            TypeGreen(ref mut home) => home.take_unwrap(),
+            TypeGreen(ref mut home) => home.take().unwrap(),
             TypeSched => rtabort!("type error: used SchedTask as GreenTask"),
         }
     }
@@ -277,7 +277,7 @@ impl GreenTask {
     }
 
     pub fn swap(mut self: Box<GreenTask>) -> Box<Task> {
-        let mut task = self.task.take_unwrap();
+        let mut task = self.task.take().unwrap();
         task.put_runtime(self);
         return task;
     }
@@ -288,7 +288,7 @@ impl GreenTask {
     }
 
     fn terminate(mut self: Box<GreenTask>) -> ! {
-        let sched = self.sched.take_unwrap();
+        let sched = self.sched.take().unwrap();
         sched.terminate_current_task(self)
     }
 
@@ -324,13 +324,13 @@ impl GreenTask {
 impl Runtime for GreenTask {
     fn yield_now(mut self: Box<GreenTask>, cur_task: Box<Task>) {
         self.put_task(cur_task);
-        let sched = self.sched.take_unwrap();
+        let sched = self.sched.take().unwrap();
         sched.yield_now(self);
     }
 
     fn maybe_yield(mut self: Box<GreenTask>, cur_task: Box<Task>) {
         self.put_task(cur_task);
-        let sched = self.sched.take_unwrap();
+        let sched = self.sched.take().unwrap();
         sched.maybe_yield(self);
     }
 
@@ -339,7 +339,7 @@ impl Runtime for GreenTask {
                   cur_task: Box<Task>,
                   f: |BlockedTask| -> Result<(), BlockedTask>) {
         self.put_task(cur_task);
-        let mut sched = self.sched.take_unwrap();
+        let mut sched = self.sched.take().unwrap();
 
         // In order for this task to be reawoken in all possible contexts, we
         // may need a handle back in to the current scheduler. When we're woken
@@ -418,7 +418,7 @@ impl Runtime for GreenTask {
         match running_task.maybe_take_runtime::<GreenTask>() {
             Some(mut running_green_task) => {
                 running_green_task.put_task(running_task);
-                let sched = running_green_task.sched.take_unwrap();
+                let sched = running_green_task.sched.take().unwrap();
 
                 if sched.pool_id == self.pool_id {
                     sched.run_task(running_green_task, self);