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  1. 	#include <iostream>
  2. 	#include <string>
  3. 	#include <vector>
  4.  
  5. 	struct S {
  6. 		std::string s_;
  7. 		static std::vector<S> tiles;
  8.  
  9. 		S() { std::cout << "S()\n"; init("default"); }
  10. 		S(const std::string& s) {
  11. 			std::cout << "S(" << (void*) this << " with " << s << ")\n";
  12. 			init(s);
  13. 		}
  14. 		S(const S& rhs) {
  15. 			std::cout << (void*) this << " copying " << (void*)&rhs << " (" << rhs.s_ << ")\n";
  16. 			s_ = rhs.s_;
  17. 			s_ += " copy";
  18. 		}
  19.  
  20. 		void init(const std::string& s) {
  21. 			s_ = s;
  22. 			std::cout << "init " << (void*)this << " " << s_ << "\n";
  23. 			tiles.push_back(*this);  // makes copy
  24. 		}
  25. 	};
  26.  
  27.  
  28. 	std::vector<S> S::tiles = std::vector<S>(3);
  29.  
  30. 	int main() {
  31. 		for (const auto& el : S::tiles) {
  32. 			std::cout << el.s_ << "\n";
  33. 		}
  34. 	}
Success #stdin #stdout 0s 3416KB
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stdin
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Standard input is empty
stdout
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S()
init 0x9e67a10 default
0x9e67a10 copying 0x9e67a10 ()
S()
init 0x9e67a14 default
0x9e67a14 copying 0x9e67a14 ()
S()
init 0x9e67a18 default
0x9e67a18 copying 0x9e67a18 ()
 copy
 copy
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https://ideone.com/0dr7L2
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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