Module atomic 
Source - AtomicBool π 
 - A boolean type which can be safely shared between threads.
 - AtomicI8 π 
 - An integer type which can be safely shared between threads.
 - AtomicI16 π 
 - An integer type which can be safely shared between threads.
 - AtomicI32 π 
 - An integer type which can be safely shared between threads.
 - AtomicI64 π 
 - An integer type which can be safely shared between threads.
 - AtomicIsize π 
 - An integer type which can be safely shared between threads.
 - AtomicU8 π 
 - An integer type which can be safely shared between threads.
 - AtomicU16 π 
 - An integer type which can be safely shared between threads.
 - AtomicU32 π 
 - An integer type which can be safely shared between threads.
 - AtomicU64 π 
 - An integer type which can be safely shared between threads.
 - AtomicUsize π 
 - An integer type which can be safely shared between threads.
 
- Ordering π 
 - Atomic memory orderings
 
- compiler_fence π 
 - A βcompiler-onlyβ atomic fence.