libcrosscoro/examples/coro_generator.cpp

#include <coro/coro.hpp>
#include <iostream>

int main()
{
    auto task = [](uint64_t count_to) -> coro::task<void> {
        // Create a generator function that will yield and incrementing
        // number each time its called.
        auto gen = []() -> coro::generator<uint64_t> {
            uint64_t i = 0;
            while (true)
            {
                co_yield i++;
            }
        };

        // Generate the next number until its greater than count to.
        for (auto val : gen())
        {
            std::cout << val << ", ";

            if (val >= count_to)
            {
                break;
            }
        }
        co_return;
    };

    coro::sync_wait(task(100));
}