import calc.Sheet;
import calc.cell.Cell;


final public class DummyCell extends Cell {
	public DummyCell(Sheet sheet) {
		super(sheet);
	}

	@Override
	public void edit(String newContent) {
	}

	@Override
	public Integer eval() {
		return null;
	}

	@Override
	public String show() {
		return null;
	}
}