//: HowMany_2.cpp
#include <iostream>

using namespace std;

class HowMany {
  static int objectCount;
 
public:
  HowMany() {
    ++objectCount;
    print("HowMany()");
  }
  ~HowMany() {
    --objectCount;
    print("~HowMany()");
  }
  HowMany(const HowMany& h) {
    ++objectCount;
    print("HowMany(const HowMany&)");
  }
 
  void print(const char ss[]) {
    cout << ss << ": ";
    cout << "objectCount = " << objectCount << endl;
    return ;
  }
};

int HowMany::objectCount = 0;

HowMany f(HowMany x) {
  x.print("x argument inside f()");
  cout << "Return From f()" << endl;
  return x;  // 有返回值 x
}

int main() {
  {
    HowMany h;
    cout << "Entering f()" << endl;
    HowMany h2 = f(h);
  }
  return 0;
} ///:~