#include <coroutine.hfa>
#include <fstream.hfa>

coroutine PingPong {
	const char * name;
	unsigned int N;
	PingPong & part;
};

// void ?{}( PingPong & this, const char * name, unsigned int N, PingPong & part ) {
// 	this.[name, N] = [name, N];  &this.part = &part;
// }
// void ?{}( PingPong & this, const char * name, unsigned int N ) {
// 	this{ name, N, *0p };								// call first constructor
// }
void cycle( PingPong & pingpong ) {
	resume( pingpong );
}
void partner( PingPong & this, PingPong & part ) {
	&this.part = &part;
	resume( this );
}
void main( PingPong & pingpong ) with(pingpong) {		// ping's starter ::main, pong's starter ping
	for ( N ) {											// N ping-pongs
		sout | name;
		cycle( part );
	} // for
}
int main() {
	enum { N = 5 };
	PingPong ping = { "ping", N }, pong = { "pong", N, ping };
	partner( ping, pong );
}

// Local Variables: //
// tab-width: 4 //
// compile-command: "cfa Pingpong.cfa" //
// End: //