concurrent-queue 1.2.4

Concurrent multi-producer multi-consumer queue
Documentation
# Version 1.2.4

- Fix fence on x86 and miri. (#18)
- Revert 1.2.3. (#18)

# Version 1.2.3

**Note:** This release has been yanked, see #17 for details.

- Fix fence on non-x86 architectures and miri. (#16)

# Version 1.2.2

- Add a special, efficient `bounded(1)` implementation.

# Version 1.2.1

- In the bounded queue, use boxed slice instead of raw pointers.

# Version 1.2.0

- Update dependencies.
- Implement `UnwindSafe` and `RefUnwindSafe` for `ConcurrentQueue`.

# Version 1.1.2

- Optimize `SeqCst` fences.

# Version 1.1.1

- Clarify errors in docs.

# Version 1.1.0

- Add extra methods to error types.

# Version 1.0.0

- Initial version