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  1. #include <iostream>
  2. #include <vector>
  3. #include <initializer_list>
  4. #include <algorithm>
  5. #include <iterator>
  6.  
  7. template <typename T>
  8. class X {
  9. public:
  10.  
  11.   std::vector<T> elements;
  12.  
  13.   X(const std::initializer_list<T> &init) :
  14.     elements(init) {
  15.  
  16.     std::cout << "konstruktor\nelementy:\n";
  17.     std::cout << *this << '\n';
  18.   }
  19.  
  20.   X &operator=(const X &other) {    
  21.     if (this == &other) {
  22.       return *this;
  23.     }
  24.  
  25.     elements = other.elements;
  26.  
  27.     std::cout << "operator przypisania\nelementy:\n";
  28.     std::cout << *this << '\n';
  29.  
  30.     return *this;
  31.   }
  32. };
  33.  
  34. template <typename T>
  35. std::ostream &operator<<(std::ostream &s, const X<T> &x) {
  36.     std::copy(x.elements.begin(),
  37.               x.elements.end(),
  38.               std::ostream_iterator<T>(s, " "));
  39.     return s;
  40. }
  41.  
  42. int main() {
  43.   X<int> test = {1, 2, 3};
  44.  
  45.   test = {3, 4, 5};
  46.  
  47.   return 0;
  48. }
Success #stdin #stdout 0s 2960KB
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konstruktor
elementy:
1 2 3 
konstruktor
elementy:
3 4 5 
operator przypisania
elementy:
3 4 5 


	

		
	 
	
	
			

					
			
			
			
			
			
			
			
			

			
			
			
		

	
		
		

			

			                        







			
			

				

	
					
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language:

						
C++14 (gcc 8.3)

					

					

						
created:
								
						
13 years ago

					

					

						
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