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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct A
  5. {
  6. 	int x;
  7. public:
  8.     A() : x(0) {cout<<"Конструктор 1 this = "<<this<<endl;}
  9.     A(int a) : x(a) {cout<<"Конструктор 2 this = "<<this<<endl;}
  10.     ~A() {cout<<"Деструктор this = "<<this<<endl;}
  11.     A(const A &rhs)  
  12.     {
  13.     	cout<<"Конструктор копирования this = "<<this;
  14.     	cout<<" &rhs = "<<&rhs<<endl;
  15.     	x=rhs.x;
  16.     }
  17.    A & operator = (const A &rhs)
  18.     {
  19.     	cout<<"operator = this = "<<this;
  20.     	cout<<" &rhs = "<<&rhs<<endl;
  21.     	if(this != &rhs) x=rhs.x;
  22.     	return *this;
  23.     }
  24.    /*A  operator + (const A &rhs)
  25.     {
  26.     	cout<<"operator + this = "<<this;
  27.     	cout<<" &rhs = "<<&rhs<<endl;
  28.     	return A(x+rhs.x);
  29.     }
  30.     
  31.     A  operator + (int rhs)
  32.     {
  33.     	cout<<"???? operator + this = "<<endl;
  34.     	return A(x+rhs);
  35.     }*/
  36.  
  37.   operator int() const
  38.     {
  39.     	cout<<"operator int() "<<this<<endl;
  40.     	return x;
  41.     }
  42.     bool  operator == (const A &rhs)
  43.     {
  44.     	cout<<"operator == this = "<<this;
  45.     	cout<<" &rhs = "<<&rhs<<endl;
  46.     	if (x==rhs.x) return true;
  47.     	return false;
  48.     }
  49.  
  50.  
  51.     int func_1() const {return x;}
  52. };
  53.  
  54.  
  55.  
  56. A  operator+ (int k, const A &r)
  57.     {
  58.     	cout<<"!!!!! operator + &r = "<<&r<<endl;
  59.     	return A(k+r.x);
  60.     }
  61.  
  62.  
  63.  
  64.  
  65. int main() 
  66. {
  67. 	A a;
  68. 	cout<<"x = "<<a.func_1()<<endl;
  69. 	A b;
  70. 	cout<<"x = "<<b.func_1()<<endl;
  71. 	A c;
  72. 	c=2+a;
  73.  
  74.  
  75.  
  76. 	return 0;
  77. }
Success #stdin #stdout 0s 3416KB
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stdin
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Standard input is empty
stdout
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Конструктор 1 this = 0xbf9d8230
x = 0
Конструктор 1 this = 0xbf9d8234
x = 0
Конструктор 1 this = 0xbf9d8238
!!!!! operator + &r = 0xbf9d8230
Конструктор 2 this = 0xbf9d823c
operator = this = 0xbf9d8238 &rhs = 0xbf9d823c
Деструктор this = 0xbf9d823c
Деструктор this = 0xbf9d8238
Деструктор this = 0xbf9d8234
Деструктор this = 0xbf9d8230
https://ideone.com/mpUhJC
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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