constfu.cpp

来自「本课程主要介绍面向对象程序设计的方法和c++语言的基本概念。以c++语言中的面向」· C++ 代码 · 共 15 行

//constfu.cpp
//demonstrates const member functions

class aClass
   {
   private:
      int alpha;
   public:
      void nonFunc()        //non-const member function
         { alpha = 99; }    //OK

      void conFunc() const  //const member function
         { alpha = 99; }    //error: can't modify a member         
   };