hour12_2.cpp

《24学时精通c++》的随书源码的下半部分。欢迎下载学习。

 // Listing 12.5
 // Resolving memory leaks
 #include <iostream>
 
 class SimpleCat
 {
 public:
     SimpleCat (int age, int weight);
     ~SimpleCat() {}
     int GetAge() { return itsAge; }
     int GetWeight() { return itsWeight; }
 
 private:
     int itsAge;
     int itsWeight;
 };
 
 SimpleCat::SimpleCat(int age, int weight):
 itsAge(age), itsWeight(weight) {}
 
 SimpleCat *TheFunction();
 
 int main()
 {
     SimpleCat *rCat = TheFunction();
     int age = rCat->GetAge();
     std::cout << "rCat is " << age << " years old!\n";
     std::cout << "rCat: " << rCat << std::endl;

     delete rCat;
     rCat=0;

     return 0;
 }
 
 SimpleCat *TheFunction()
 {
     SimpleCat * pFrisky = new SimpleCat(5,9);
     std::cout << "pFrisky: " << pFrisky << std::endl;
     return pFrisky;
 }