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Rename Option swap_unwrap to take_unwrap. Fixes Issue#7764

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This commit is contained in:
Austin King 2013-07-16 12:47:01 -07:00
parent a317584e4f
commit 712ac836c6
15 changed files with 43 additions and 43 deletions
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6
src/libextra/dlist.rs
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@ -173,11 +173,11 @@ impl<T> Deque<T> for DList<T> {
let tail_own = match tail.prev.resolve() {
None => {
self.list_tail = Rawlink::none();
self.list_head.swap_unwrap()
self.list_head.take_unwrap()
},
Some(tail_prev) => {
self.list_tail = tail.prev;
tail_prev.next.swap_unwrap()
tail_prev.next.take_unwrap()
}
};
Some(tail_own.value)
@ -465,7 +465,7 @@ impl<'self, A> ListInsertion<A> for MutDListIterator<'self, A> {
Some(prev) => prev,
};
let mut ins_node = ~Node{value: elt, next: None, prev: Rawlink::none()};
let node_own = prev_node.next.swap_unwrap();
let node_own = prev_node.next.take_unwrap();
ins_node.next = link_with_prev(node_own, Rawlink::some(ins_node));
prev_node.next = link_with_prev(ins_node, Rawlink::some(prev_node));
self.list.length += 1;

2
src/libextra/net/ip.rs
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@ -116,7 +116,7 @@ pub fn get_addr(node: &str, iotask: &iotask)
let (output_po, output_ch) = stream();
let mut output_ch = Some(SharedChan::new(output_ch));
do str::as_buf(node) |node_ptr, len| {
let output_ch = output_ch.swap_unwrap();
let output_ch = output_ch.take_unwrap();
debug!("slice len %?", len);
let handle = create_uv_getaddrinfo_t();
let handle_ptr: *uv_getaddrinfo_t = &handle;

8
src/libextra/sync.rs
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@ -260,7 +260,7 @@ impl<'self> Condvar<'self> {
signal_waitqueue(&state.waiters);
}
// Enqueue ourself to be woken up by a signaller.
let SignalEnd = SignalEnd.swap_unwrap();
let SignalEnd = SignalEnd.take_unwrap();
state.blocked[condvar_id].tail.send(SignalEnd);
} else {
out_of_bounds = Some(state.blocked.len());
@ -281,7 +281,7 @@ impl<'self> Condvar<'self> {
// Unconditionally "block". (Might not actually block if a
// signaller already sent -- I mean 'unconditionally' in contrast
// with acquire().)
let _ = comm::recv_one(WaitEnd.swap_unwrap());
let _ = comm::recv_one(WaitEnd.take_unwrap());
}
// This is needed for a failing condition variable to reacquire the
@ -353,7 +353,7 @@ impl<'self> Condvar<'self> {
}
}
do check_cvar_bounds(out_of_bounds, condvar_id, "cond.signal_on()") {
let queue = queue.swap_unwrap();
let queue = queue.take_unwrap();
broadcast_waitqueue(&queue)
}
}
@ -1436,7 +1436,7 @@ mod tests {
do x.write_downgrade |xwrite| {
let mut xopt = Some(xwrite);
do y.write_downgrade |_ywrite| {
y.downgrade(xopt.swap_unwrap());
y.downgrade(xopt.take_unwrap());
error!("oops, y.downgrade(x) should have failed!");
}
}

12
src/libextra/treemap.rs
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@ -552,7 +552,7 @@ fn mutate_values<'r, K: TotalOrd, V>(node: &'r mut Option<~TreeNode<K, V>>,
// Remove left horizontal link by rotating right
fn skew<K: TotalOrd, V>(node: &mut ~TreeNode<K, V>) {
if node.left.map_default(false, |x| x.level == node.level) {
let mut save = node.left.swap_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);
@ -564,7 +564,7 @@ fn skew<K: TotalOrd, V>(node: &mut ~TreeNode<K, V>) {
fn split<K: TotalOrd, V>(node: &mut ~TreeNode<K, V>) {
if node.right.map_default(false,
|x| x.right.map_default(false, |y| y.level == node.level)) {
let mut save = node.right.swap_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);
@ -643,7 +643,7 @@ fn remove<K: TotalOrd, V>(node: &mut Option<~TreeNode<K, V>>,
Equal => {
if save.left.is_some() {
if save.right.is_some() {
let mut left = save.left.swap_unwrap();
let mut left = save.left.take_unwrap();
if left.right.is_some() {
heir_swap(save, &mut left.right);
} else {
@ -653,13 +653,13 @@ fn remove<K: TotalOrd, V>(node: &mut Option<~TreeNode<K, V>>,
save.left = Some(left);
(remove(&mut save.left, key), true)
} else {
let new = save.left.swap_unwrap();
let new = save.left.take_unwrap();
let ~TreeNode{value, _} = replace(save, new);
*save = save.left.swap_unwrap();
*save = save.left.take_unwrap();
(Some(value), true)
}
} else if save.right.is_some() {
let new = save.right.swap_unwrap();
let new = save.right.take_unwrap();
let ~TreeNode{value, _} = replace(save, new);
(Some(value), true)
} else {

14
src/libstd/option.rs
View File

@ -203,14 +203,14 @@ impl<T> Option<T> {
/// Apply a function to the contained value or do nothing
pub fn mutate(&mut self, f: &fn(T) -> T) {
if self.is_some() {
*self = Some(f(self.swap_unwrap()));
*self = Some(f(self.take_unwrap()));
}
}
/// Apply a function to the contained value or set it to a default
pub fn mutate_default(&mut self, def: T, f: &fn(T) -> T) {
if self.is_some() {
*self = Some(f(self.swap_unwrap()));
*self = Some(f(self.take_unwrap()));
} else {
*self = Some(def);
}
@ -293,8 +293,8 @@ impl<T> Option<T> {
* Fails if the value equals `None`.
*/
#[inline]
pub fn swap_unwrap(&mut self) -> T {
if self.is_none() { fail!("option::swap_unwrap none") }
pub fn take_unwrap(&mut self) -> T {
if self.is_none() { fail!("option::take_unwrap none") }
util::replace(self, None).unwrap()
}
@ -460,7 +460,7 @@ fn test_option_dance() {
let mut y = Some(5);
let mut y2 = 0;
for x.iter().advance |_x| {
y2 = y.swap_unwrap();
y2 = y.take_unwrap();
}
assert_eq!(y2, 5);
assert!(y.is_none());
@ -468,8 +468,8 @@ fn test_option_dance() {
#[test] #[should_fail] #[ignore(cfg(windows))]
fn test_option_too_much_dance() {
let mut y = Some(util::NonCopyable);
let _y2 = y.swap_unwrap();
let _y3 = y.swap_unwrap();
let _y2 = y.take_unwrap();
let _y3 = y.take_unwrap();
}
#[test]

10
src/libstd/rt/sched.rs
View File

@ -328,7 +328,7 @@ impl Scheduler {
/// Given an input Coroutine sends it back to its home scheduler.
fn send_task_home(task: ~Task) {
let mut task = task;
let mut home = task.home.swap_unwrap();
let mut home = task.home.take_unwrap();
match home {
Sched(ref mut home_handle) => {
home_handle.send(PinnedTask(task));
@ -418,7 +418,7 @@ impl Scheduler {
do self.deschedule_running_task_and_then |sched, dead_task| {
let mut dead_task = dead_task;
let coroutine = dead_task.coroutine.swap_unwrap();
let coroutine = dead_task.coroutine.take_unwrap();
coroutine.recycle(&mut sched.stack_pool);
}
@ -506,7 +506,7 @@ impl Scheduler {
this.metrics.context_switches_task_to_sched += 1;
unsafe {
let blocked_task = this.current_task.swap_unwrap();
let blocked_task = this.current_task.take_unwrap();
let f_fake_region = transmute::<&fn(&mut Scheduler, ~Task),
&fn(&mut Scheduler, ~Task)>(f);
let f_opaque = ClosureConverter::from_fn(f_fake_region);
@ -538,7 +538,7 @@ impl Scheduler {
rtdebug!("switching tasks");
this.metrics.context_switches_task_to_task += 1;
let old_running_task = this.current_task.swap_unwrap();
let old_running_task = this.current_task.take_unwrap();
let f_fake_region = unsafe {
transmute::<&fn(&mut Scheduler, ~Task),
&fn(&mut Scheduler, ~Task)>(f)
@ -576,7 +576,7 @@ impl Scheduler {
assert!(self.cleanup_job.is_some());
let cleanup_job = self.cleanup_job.swap_unwrap();
let cleanup_job = self.cleanup_job.take_unwrap();
match cleanup_job {
DoNothing => { }
GiveTask(task, f) => (f.to_fn())(self, task)

2
src/libstd/rt/task.rs
View File

@ -127,7 +127,7 @@ impl Task {
// Wait for children. Possibly report the exit status.
let local_success = !self.unwinder.unwinding;
let join_latch = self.join_latch.swap_unwrap();
let join_latch = self.join_latch.take_unwrap();
match self.on_exit {
Some(ref on_exit) => {
let success = join_latch.wait(local_success);

2
src/libstd/rt/tube.rs
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@ -53,7 +53,7 @@ impl<T> Tube<T> {
if (*state).blocked_task.is_some() {
// There's a waiting task. Wake it up
rtdebug!("waking blocked tube");
let task = (*state).blocked_task.swap_unwrap();
let task = (*state).blocked_task.take_unwrap();
let sched = Local::take::<Scheduler>();
sched.resume_task_immediately(task);
}

2
src/libstd/rt/uv/async.rs
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@ -62,7 +62,7 @@ impl AsyncWatcher {
let mut watcher: AsyncWatcher = NativeHandle::from_native_handle(handle);
{
let data = watcher.get_watcher_data();
data.close_cb.swap_unwrap()();
data.close_cb.take_unwrap()();
}
watcher.drop_watcher_data();
unsafe { uvll::free_handle(handle as *c_void); }

2
src/libstd/rt/uv/idle.rs
View File

@ -73,7 +73,7 @@ impl IdleWatcher {
let mut idle_watcher: IdleWatcher = NativeHandle::from_native_handle(handle);
{
let data = idle_watcher.get_watcher_data();
data.close_cb.swap_unwrap()();
data.close_cb.take_unwrap()();
}
idle_watcher.drop_watcher_data();
uvll::idle_delete(handle);

10
src/libstd/rt/uv/net.rs
View File

@ -209,7 +209,7 @@ impl StreamWatcher {
let write_request: WriteRequest = NativeHandle::from_native_handle(req);
let mut stream_watcher = write_request.stream();
write_request.delete();
let cb = stream_watcher.get_watcher_data().write_cb.swap_unwrap();
let cb = stream_watcher.get_watcher_data().write_cb.take_unwrap();
let status = status_to_maybe_uv_error(stream_watcher.native_handle(), status);
cb(stream_watcher, status);
}
@ -233,7 +233,7 @@ impl StreamWatcher {
extern fn close_cb(handle: *uvll::uv_stream_t) {
let mut stream_watcher: StreamWatcher = NativeHandle::from_native_handle(handle);
stream_watcher.get_watcher_data().close_cb.swap_unwrap()();
stream_watcher.get_watcher_data().close_cb.take_unwrap()();
stream_watcher.drop_watcher_data();
unsafe { free_handle(handle as *c_void) }
}
@ -301,7 +301,7 @@ impl TcpWatcher {
let connect_request: ConnectRequest = NativeHandle::from_native_handle(req);
let mut stream_watcher = connect_request.stream();
connect_request.delete();
let cb = stream_watcher.get_watcher_data().connect_cb.swap_unwrap();
let cb = stream_watcher.get_watcher_data().connect_cb.take_unwrap();
let status = status_to_maybe_uv_error(stream_watcher.native_handle(), status);
cb(stream_watcher, status);
}
@ -438,7 +438,7 @@ impl UdpWatcher {
let send_request: UdpSendRequest = NativeHandle::from_native_handle(req);
let mut udp_watcher = send_request.handle();
send_request.delete();
let cb = udp_watcher.get_watcher_data().udp_send_cb.swap_unwrap();
let cb = udp_watcher.get_watcher_data().udp_send_cb.take_unwrap();
let status = status_to_maybe_uv_error(udp_watcher.native_handle(), status);
cb(udp_watcher, status);
}
@ -456,7 +456,7 @@ impl UdpWatcher {
extern fn close_cb(handle: *uvll::uv_udp_t) {
let mut udp_watcher: UdpWatcher = NativeHandle::from_native_handle(handle);
udp_watcher.get_watcher_data().close_cb.swap_unwrap()();
udp_watcher.get_watcher_data().close_cb.take_unwrap()();
udp_watcher.drop_watcher_data();
unsafe { free_handle(handle as *c_void) }
}

2
src/libstd/rt/uv/timer.rs
View File

@ -70,7 +70,7 @@ impl TimerWatcher {
let mut watcher: TimerWatcher = NativeHandle::from_native_handle(handle);
{
let data = watcher.get_watcher_data();
data.close_cb.swap_unwrap()();
data.close_cb.take_unwrap()();
}
watcher.drop_watcher_data();
unsafe {

6
src/libstd/task/spawn.rs
View File

@ -302,7 +302,7 @@ fn each_ancestor(list: &mut AncestorList,
fn with_parent_tg<U>(parent_group: &mut Option<TaskGroupArc>,
blk: &fn(TaskGroupInner) -> U) -> U {
// If this trips, more likely the problem is 'blk' failed inside.
let tmp_arc = parent_group.swap_unwrap();
let tmp_arc = parent_group.take_unwrap();
let result = do access_group(&tmp_arc) |tg_opt| { blk(tg_opt) };
*parent_group = Some(tmp_arc);
result
@ -609,7 +609,7 @@ fn spawn_raw_newsched(mut opts: TaskOpts, f: ~fn()) {
};
if opts.notify_chan.is_some() {
let notify_chan = opts.notify_chan.swap_unwrap();
let notify_chan = opts.notify_chan.take_unwrap();
let notify_chan = Cell::new(notify_chan);
let on_exit: ~fn(bool) = |success| {
notify_chan.take().send(
@ -647,7 +647,7 @@ fn spawn_raw_oldsched(mut opts: TaskOpts, f: ~fn()) {
let notify_chan = if opts.notify_chan.is_none() {
None
} else {
Some(opts.notify_chan.swap_unwrap())
Some(opts.notify_chan.take_unwrap())
};
let child_wrapper = make_child_wrapper(new_task, child_tg,

4
src/test/bench/msgsend-ring-mutex-arcs.rs
View File

@ -60,8 +60,8 @@ fn thread_ring(i: uint, count: uint, num_chan: pipe, num_port: pipe) {
// Send/Receive lots of messages.
for uint::range(0u, count) |j| {
//error!("task %?, iter %?", i, j);
let mut num_chan2 = num_chan.swap_unwrap();
let mut num_port2 = num_port.swap_unwrap();
let mut num_chan2 = num_chan.take_unwrap();
let mut num_port2 = num_port.take_unwrap();
send(&num_chan2, i * j);
num_chan = Some(num_chan2);
let _n = recv(&num_port2);

4
src/test/bench/msgsend-ring-rw-arcs.rs
View File

@ -56,8 +56,8 @@ fn thread_ring(i: uint, count: uint, num_chan: pipe, num_port: pipe) {
// Send/Receive lots of messages.
for uint::range(0u, count) |j| {
//error!("task %?, iter %?", i, j);
let mut num_chan2 = num_chan.swap_unwrap();
let mut num_port2 = num_port.swap_unwrap();
let mut num_chan2 = num_chan.take_unwrap();
let mut num_port2 = num_port.take_unwrap();
send(&num_chan2, i * j);
num_chan = Some(num_chan2);
let _n = recv(&num_port2);