Quantum++  v1.1
A modern C++11 quantum computing library
idisplay.h
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26 
32 #ifndef CLASSES_IDISPLAY_H_
33 #define CLASSES_IDISPLAY_H_
34 
35 namespace qpp {
46 class IDisplay {
47  private:
56  virtual std::ostream& display(std::ostream& os) const = 0;
57 
58  public:
62  IDisplay() = default;
63 
67  IDisplay(const IDisplay&) = default;
68 
72  IDisplay(IDisplay&&) = default;
73 
77  IDisplay& operator=(const IDisplay&) = default;
78 
82  IDisplay& operator=(IDisplay&&) = default;
83 
87  virtual ~IDisplay() = default;
88 
94  friend inline std::ostream& operator<<(std::ostream& os,
95  const IDisplay& rhs) {
96  return rhs.display(os);
97  }
98 }; /* class IDisplay */
99 
100 } /* namespace qpp */
101 
102 #endif /* CLASSES_IDISPLAY_H_ */
virtual std::ostream & display(std::ostream &os) const =0
Must be overridden by all derived classes.
Quantum++ main namespace.
Definition: codes.h:35
friend std::ostream & operator<<(std::ostream &os, const IDisplay &rhs)
Overloads the extraction operator.
Definition: idisplay.h:94
IDisplay & operator=(const IDisplay &)=default
Default copy assignment operator.
virtual ~IDisplay()=default
Default virtual destructor.
Abstract class (interface) that mandates the definition of virtual std::ostream& display(std::ostream...
Definition: idisplay.h:46
IDisplay()=default
Default constructor.