concurrent for loop with fibers in c++ using the fiberize library

concurrent_for_example.cpp

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

// after https://github.com/fiberize/fiberize/blob/master/fiberize/examples/helloworld/main.cpp

using namespace fiberize;
#define VECTOR_SIZE 100

int vector[VECTOR_SIZE]

int main() {
    FiberSystem system;
    FiberRef mainThread = system.fiberize();

    auto square_fun = system.fiber([mainThread] (int n) {
        vector[n] = n * n;
        if (n == VECTOR_SIZE) {
            mainThread.send(finished);
        }
    });
    
    for (size_t i=0; i<VECTOR_SIZE; i++) {
        square_fun.copy().run_(i);
    }
    
    finished.await();
    return 0;
}