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bors[bot]Stjepan Glavina
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Stjepan Glavina
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Merge #262
262: Move AtomicCell into crossbeam-utils r=stjepang a=stjepang At this point, I feel pretty confident about the current state of `AtomicCell` in the sense that we probably won't make any breaking changes to its public API in the future. It's also a reasonably small utility without dependencies that deserves living in `crossbeam-utils`. The Rust compiler would like to use it in place of its `LockCell`, and already has `crossbeam-utils` whitelisted. See [this PR](rust-lang/rust#56614 (comment)). Let's move `AtomicCell` into `crossbeam-utils` so that people can use it without depending on whole `crossbeam`. Co-authored-by: Stjepan Glavina <stjepang@gmail.com>
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‎src/atomic_cell.rs ‎crossbeam-utils/src/atomic/atomic_cell.rs

+22-22
Original file line numberDiff line numberDiff line change
@@ -33,7 +33,7 @@ impl<T> AtomicCell<T> {
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let a = AtomicCell::new(7);
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/// ```
@@ -48,7 +48,7 @@ impl<T> AtomicCell<T> {
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let mut a = AtomicCell::new(7);
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/// *a.get_mut() += 1;
@@ -64,7 +64,7 @@ impl<T> AtomicCell<T> {
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let mut a = AtomicCell::new(7);
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/// let v = a.into_inner();
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// // This type is internally represented as `AtomicUsize` so we can just use atomic
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/// // operations provided by it.
@@ -112,7 +112,7 @@ impl<T> AtomicCell<T> {
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let a = AtomicCell::new(7);
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let a = AtomicCell::new(7);
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let a = AtomicCell::new(7);
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let a = AtomicCell::new(1);
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let a = AtomicCell::new(1);
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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#[doc = $example]
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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#[doc = $example]
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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#[doc = $example]
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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#[doc = $example]
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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#[doc = $example]
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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#[doc = $example]
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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#[doc = $example]
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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#[doc = $example]
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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#[doc = $example]
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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#[doc = $example]
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let a = AtomicCell::new(true);
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let a = AtomicCell::new(false);
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///
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/// # Examples
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///
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/// ```
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/// use crossbeam::atomic::AtomicCell;
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/// use crossbeam_utils::atomic::AtomicCell;
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///
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/// let a = AtomicCell::new(true);
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///

‎crossbeam-utils/src/atomic/mod.rs

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//! Additional utilities for atomics.
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mod atomic_cell;
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mod consume;
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pub use self::atomic_cell::AtomicCell;
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pub use self::consume::AtomicConsume;

‎tests/atomic_cell.rs ‎crossbeam-utils/tests/atomic_cell.rs

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@@ -1,9 +1,9 @@
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extern crate crossbeam;
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extern crate crossbeam_utils;
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use std::sync::atomic::AtomicUsize;
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use std::sync::atomic::Ordering::SeqCst;
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use crossbeam::atomic::AtomicCell;
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use crossbeam_utils::atomic::AtomicCell;
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#[test]
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fn is_lock_free() {

‎src/lib.rs

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@@ -59,14 +59,13 @@ mod _epoch {
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pub use _epoch::crossbeam_epoch as epoch;
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mod arc_cell;
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mod atomic_cell;
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extern crate crossbeam_utils;
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/// Additional utilities for atomics.
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pub mod atomic {
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pub use arc_cell::ArcCell;
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pub use atomic_cell::AtomicCell;
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pub use crossbeam_utils::atomic::AtomicCell;
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pub use crossbeam_utils::atomic::AtomicConsume;
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}
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