//Ryan Goodfellow CS580 Final

//this file pretty much follows the skeleton code.

public class Range implements Itr<Integer, Integer> {
    int low, high;
   
    IteratorHelper<Integer, Integer> ih;
    public Range (int low, int high) {
	this.low = low;
	this.high = high;
	this.ih = new IteratorHelper<Integer, Integer>(this);
	ih.start();
    }

    public boolean hasNext() {
	return !this.ih.done();
    }

    public int next() {    
	return ih.get();
    }

    public void run() {
    	for (int i = low; i<=high; i++) {
			ih.yield(i);		
    	}
    }
    public synchronized Integer elementAt(Integer i) { return i; }
    public Integer max() { return this.high; }
    public Integer min() { return this.low; }

}