引用为对象起了另外一个名字,引用类型为引用另外一种类型。通过将声明符写成&d的形式来定义引用类型,其中d是声明的变量名: int ival = 10; int &refVal = ival; //ref指向ival(ref是ival的另外一个名字) int &refVal2; //报错:引用必须被初始化 一般在初始化变量的时候 ...
Arlington, Va. Defense Secretary Pete Hegseth said Tuesday would be the most "intense" day of the air war in Iran. A fire burns near the U.A.E. consulate in Iraqi Kurdistan. Social media, via Reuters ...