atomic_xchg in std::intrinsics - Rust
Description: Stores the value at the specified memory location, returning the old value. `T` must be an integer or pointer type.

## atomic_xchg

# Function atomic_xchg

Source

    pub unsafe fn atomic_xchg<T, const ORD: AtomicOrdering>(
        dst: *mut T,
        src: T,
    ) -> Twhere
        T: Copy,

🔬This is a nightly-only experimental API. (`core_intrinsics`)
Expand description

Stores the value at the specified memory location, returning the old value. `T` must be an integer or pointer type.

The stabilized version of this intrinsic is available on the `atomic` types via the `swap` method. For example, `AtomicBool::swap`.