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  1. #include <iostream>
  2. #include <initializer_list>
  3. #include <vector>
  4. #include <utility>
  5.  
  6. struct Obj
  7. {
  8.   Obj() {
  9.     std::cout << __PRETTY_FUNCTION__ << std::endl;
  10.   }
  11.   Obj(Obj&&) {
  12.     std::cout << __PRETTY_FUNCTION__ << std::endl;
  13.   }
  14.   Obj(Obj const &) {
  15.   	std::cout << __PRETTY_FUNCTION__ << std::endl;
  16.   }
  17.  
  18.   Obj& operator=(Obj&&) = default;
  19.   Obj& operator=(Obj const &) = delete;
  20. };
  21.  
  22. template <class T>
  23. std::vector<T> make_vector(std::initializer_list<T> lst) {
  24. 	std::vector<T> result;
  25. 	result.reserve(lst.size());
  26. 	for(const T& item: lst) {
  27. 		T& item2 = const_cast<T&>(item);
  28. 		result.emplace_back(std::move(item2));
  29. 	}
  30. 	return result;
  31. }
  32.  
  33.  
  34. int main() {
  35. 	auto a = Obj();
  36. 	std::cout << "---" << std::endl << std::endl;
  37. 	make_vector({ a, Obj(), Obj() });
  38. }
Success #stdin #stdout 0s 15240KB
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Standard input is empty
stdout
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Obj::Obj()
---

Obj::Obj(const Obj&)
Obj::Obj()
Obj::Obj()
Obj::Obj(Obj&&)
Obj::Obj(Obj&&)
Obj::Obj(Obj&&)
https://ideone.com/1j789U
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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