lst-1000-book.cpp
// https://godbolt.org/z/fbnbKzrs1
#include <iostream>
#include <thread>
#include <chrono>
using namespace std::chrono; // seconds, suffix s
void delayPrint(seconds s, const std::string& msg) {
std::this_thread::sleep_for(s);
std::cout << msg << std::endl;
}
int main() {
std::jthread m1{ delayPrint, 1s, "Auf die Plaetze" };
std::jthread m2{ delayPrint, 2s, std::string{"fertig"} };
std::string los = "los";
std::jthread m3{ delayPrint, 3s, los };
}