Method exchange

src/platforms/shared/atomic.h:54–56

Exchange operation - atomically replaces the value and returns the old value

    // Exchange operation - atomically replaces the value and returns the old value
    T exchange(T value, int order = memory_order_acq_rel) FL_NOEXCEPT {
        return __atomic_exchange_n(&mValue, value, order);
    }

    // Pre-increment: ++atomic
    // Returns the NEW value after increment