注：需要引入import static net.mindview.util.Range.*;

range(10) //0..9 等價于為：[0,1,2,3,4,5,6,7,8,9]

range(5,10) //5..9 等價于為：[5,6,7,8,9]

range(5,20,3) //5..20 step 3 等價于為：[5,8,11,14,17]