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  1. #include <iostream>
  2.  
  3. template<class T ,class C,const T&(C::*Get0)()>
  4. class Getter{
  5. public:
  6.  
  7. 	Getter(C* c):Th(c){}
  8. 	//Getter() = delete;
  9. 	Getter(const Getter&) = delete;	
  10.  
  11. 	operator const T&() {
  12. 		return (Th->*Get0)();
  13. 	}
  14.  
  15. 	const T& Get() {
  16. 		return (Th->*Get0)();
  17. 	}
  18.  
  19. protected:
  20. 	C *Th = nullptr;
  21. };
  22. template<class T ,class C,void (C::*Set0)(const T&)>
  23. class Setter{
  24. public:
  25.  
  26. 	Setter(C* c):Th(c){}
  27. 	//Setter() = delete;
  28. 	Setter(const Setter&) = delete;	
  29.  
  30. 	Setter& operator =(const Setter& In) {
  31. 		(Th->*Set0)(In);
  32. 		return In;
  33. 	}
  34. 	const T& operator =(const T& In) {
  35. 		(Th->*Set0)(In);
  36. 		return In;
  37. 	}
  38. 	void Set(const T& In) {
  39. 		(Th->*Set0)(In);
  40. 	}
  41. protected:
  42. 	C *Th = nullptr;
  43. };
  44.  
  45. /**/
  46. template<class T, class C,const T& (C::*Get)(), void (C::*Set)(const T&), class TG = Getter<T,C,Get>, class TS = Setter<T,C,Set> >
  47. class Property : public TG, TS {
  48. public:
  49. 	Property(C* Th) : TG(Th), TS(Th) {}
  50. 	Property(const Property&) = delete;
  51. 	Property() = delete;
  52. /*	Property& operator =(const Property& In) {
  53. 		(This->*Set(In));
  54. 		return In;
  55. 	}
  56. 	*/
  57. };
  58. /**/
  59. template<class T>
  60. class Test {
  61. public:
  62.  
  63. 	typedef T Type;
  64.  
  65. 	Test():P(this),G(this),S(this){}
  66.  
  67. 	bool Show() {
  68. 		std::cout << N__ << std::endl;
  69. 		return true;
  70. 	}
  71.  
  72. protected:
  73. 	const T& TheGetter() {
  74. 		return N__;
  75. 	}
  76.  
  77. 	void TheSetter(const T& N_) {
  78. 		N__ = N_;
  79. 	}
  80.  
  81. protected:
  82. 	T N__ = 0;
  83. public:
  84. 	Property<T,Test<T>,&Test<T>::TheGetter,&Test<T>::TheSetter> P;
  85. 	Getter< T, Test<T>, &Test<T>::TheGetter> G;
  86. 	Setter < T, Test, &Test::TheSetter> S;
  87. };
  88.  
  89. int main() {
  90. 	Test<int> T;
  91. 	T.Show();
  92. 	T.S = 100;
  93. 	//int X = T.P;
  94. 	int Y = T.G;
  95.  
  96.  
  97. 	std::cout << Y << std::endl;
  98.  
  99. 	//T.P = 1000;
  100.  
  101. 	T.Show();
  102.  
  103. 	return 0;
  104. }
  105.  
Success #stdin #stdout 0s 15240KB
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https://ideone.com/10vEzK
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
secret

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