counterconvert.cpp

来自「《24学时精通c++》的光盘内容」· C++ 代码 · 共 28 行

 // Listing 14.7
 // This code won't compile!
 #include <iostream>
 
 class Counter
 {
 public:
     Counter();
     ~Counter(){}
     int GetItsVal()const { return itsVal; }
     void SetItsVal(int x) {itsVal = x; }
 private:
     int itsVal;
 };
 
 Counter::Counter():
 itsVal(0)
 {}
 
 int main()
 {
     int theShort = 5;
     Counter theCtr = theShort;
     std::cout << "theCtr: " << theCtr.GetItsVal() 
         << std::endl;
     return 0;
 }