#pragma once

#include <atomic>
#include <type_traits>

template <class T,
          typename std::enable_if<std::is_integral<T>::value>::type* = nullptr>
class AtomicCounter
{
public:
    AtomicCounter(T initial = 0) : counter(initial) {}

    T next(std::memory_order order = std::memory_order_seq_cst)
    {
        return counter.fetch_add(1, order);
    }

    T operator++()
    {
        return next();
    }

private:
    std::atomic<T> counter;
};