#include #include using namespace ostd; int main() { coroutine g = [](auto yield) { yield(5); yield(10); yield(15); yield(20); return 25; }; writeln("generator test"); for (int i: g.iter()) { writefln("generated: %s", i); } } /* generator test generated: 5 generated: 10 generated: 15 generated: 20 generated: 25 */