text: #ifndef POINT_H
  #define POINT_H
  
  namespace shape {
  
  class Point final {
   private:
    double x_ = 0.0, y_ = 0.0;
  
   public:
    Point(double x = 0.0, double y = 0.0);
  
    double x() const;
    double y() const;
    double Distance(const Point& from) const;
    bool operator==(const Point& isEqualTo) const;
  };
  }
  
  #endif  // POINT_H
  