#include <stdio.h>component Net{public:    outport void out(int);    inport void print();    int index;};void Net::print(){    out(index);}component  SensorNode{public:    Net a;    outport void out(int i);    inport void print();    SensorNode ()    {         connect a.out, out;         connect print, a.print;    }};component Channel{public:    inport void in(int);    outport[] void print();    void activate();    void config(int i ) { n=i; print.SetSize(i); }private:    int n;};void Channel::activate(){    for(int i=0;i<n;i++)        print[i]();}void Channel::in(int i){    printf("%d\n", i);}int main(){    Channel c;    SensorNode[] b;    int n=5;    b.SetSize(n);    c.config(n);    for(int i=0;i<n;i++)    {        connect c.print[i], b[i].print;        connect b[i].out, c.in;        b[i].a.index=i;    }        c.activate();            return 0;}