Make current mutable : Mutable « Development « C++

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C++ » Development » Mutable Screenshots  Make current mutable #include <iostream> using namespace std; class Timer {   int step;   int target;   mutable int current;  public:   Timer(int delay, int i=1) {     target = delay;     step = i;     current = 0;   }   bool counting() const {     current += step;     if(current >= target) {       cout << "\a";       return false;     }     cout << current << " ";     return true;   } }; int main() {   Timer ob(200, 4);   while(ob.counting()) ;   return 0; }                     Related examples in the same category