text: #ifndef OPERAND_HPP
  #define OPERAND_HPP
  
  namespace rps
  {
  
  typedef double Operand;
  
  #if 0
  class Operand
  {
  private:
      double myValue;
  
  public:
      Operand() : myValue(0)
      {
      }
  
      virtual ~Operand()
      {
      }
  
      Operand( Operand const &other )
      {
          myValue = other.myValue;
      }
  
      Operand operator=( Operand const &other )
      {
          myValue = other.myValue;
          return *this;
      }
  
  };
  #endif
  }; /* namespace Rpn */
  
  #endif
  