jthread.cpp

#include <thread>
#include <iostream>

void f1(int& t)
{
        for (int i = 0; i < 100000; ++i)
        {
                std::cout << "f1 running\n";
                t++;
        }
}

class c1
{
    public:
        int  n = 0;
        void f2()
        {
                for (int i = 0; i < 100000; ++i)
                {
                        n++;
                        std::cout << "c1 running\n";
                }
        }
};

class c2
{
    public:
        int  n = 0;
        void operator()()
        {
                for (int i = 0; i < 100000; ++i)
                {
                        n++;
                        std::cout << "c2 running\n";
                }
        }
};

signed main()
{
        int n = 0;
        c1  a;
        c2  b;
        {
                // template< class F, class... Args > explict jthread(F&& f, Args&&... args)
                std::jthread t1(f1, std::ref(n));
                // jthread(jthread&& other) noexcept
                std::jthread t2(std::move(t1));
                // jthread() noexcept
                std::jthread t3;
                // template< class F, class... Args > explict jthread(F&& f, Args&&... args)
                std::jthread t4(&c1::f2, &a);
                // template< class F, class... Args > explict jthread(F&& f, Args&&... args)
                std::jthread t5(b);
        }
        std::cout << n << " " << a.n << " " << b.n << "\n";
        return 0;
}