source: doc/papers/concurrency/examples/Pingpong.cc@ b3f9684c

#include <iostream>
using namespace std;

_Coroutine PingPong {
        const char * name;
        const unsigned int N;
        PingPong * part;
        void main() { // ping’s starter ::main, pong’s starter ping
                for ( unsigned int i = 0; i < N; i += 1 ) {
                        cout << name << endl;
                        part->cycle();
                }
        }
  public:
        PingPong( const char * name, unsigned int N, PingPong & part )
                : name( name ), N( N ), part( & part ) {}
        PingPong( const char * name, unsigned int N ) : name( name ), N( N ) {}
        void partner( PingPong & part ) { PingPong::part = &part; }
        void cycle() { resume(); }
};
int main() {
        enum { N = 10 };
        PingPong ping( "ping", N ), pong( "pong", N, ping );
        ping.partner( pong );
        ping.cycle();
}

// Local Variables: //
// tab-width: 4 //
// compile-command: "u++-work -O2 -nodebug Pingpong.cc" //
// End: //