#include <reactcpp.h>
#include <unistd.h>
#include <iostream>

int main()
{
    // create the event loop
    React::MainLoop loop;
    
    // we'd like to be notified when input is available on stdin
    loop.onReadable(STDIN_FILENO, []() -> bool {
    
        // read input
        std::string buffer;
        std::cin >> buffer;
    
        // show what we read
        std::cout << buffer << std::endl;
        
        // from this moment on, we no longer want to receive updates
        return false;
    });
    
    // run the event loop
    loop.run();
    
    // done
    return 0;
}