It then calls the friend function spacefriend and passes the class object address as its argument, and calls the template function, beginning with integer types and then floating data types.

然后，调用友元函数spacefriend并将类对象的地址作为其参数传递。然后调用template函数，先使用整数类型，然后使用浮点数据类型。

youdao

It then calls the friend function spacefriend and passes the class object address as its argument, and calls the template function, beginning with integer types and then floating data types.

然后，调用友元函数spacefriend并将类对象的地址作为其参数传递。然后调用template函数，先使用整数类型，然后使用浮点数据类型。

youdao