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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <algorithm>
  5. #include <iterator>
  6. #include <sstream>
  7.  
  8. using namespace std;
  9.  
  10. class Test {
  11. 	public:
  12. 	Test () { cout<<"Test constructed"<<endl; }
  13. 	Test (const Test&) { cout<<"Test copy constructed"<<endl; }
  14. 	Test (const Test&&) { cout<<"Test move constructed"<<endl; }
  15. 	Test& operator= (const Test&) { cout<<"Test copy assigned"<<endl; return *this;  }
  16. 	Test& operator= (const Test&&) { cout<<"Test move assigned"<<endl;return *this; }
  17. 	~Test() { cout<<"Test destructed"<<endl; }
  18.  
  19. }; 
  20.  
  21. Test f(){
  22. 	return Test(); 
  23. }
  24.  
  25. std::vector<std::string> split(const std::string& s, char delimiter)
  26. {
  27.    std::vector<std::string> tokens;
  28.    std::string token;
  29.    std::istringstream tokenStream(s);
  30.    while (std::getline(tokenStream, token, delimiter))
  31.    {
  32.       tokens.push_back(token);
  33.    }
  34.    return tokens;
  35. }
  36.  
  37. int main()
  38. {
  39. 	auto r = split("one, two, three", ' ');
  40. 	copy (r.begin(), r.end(), ostream_iterator<string>(cout," "));
  41.  
  42. 	auto t = f(); // 1  copy elision
  43. 	t = f(); //2   move assignement 
  44. }
Success #stdin #stdout 0s 4424KB
comments (?)
stdin
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Standard input is empty
stdout
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one, two, three Test constructed
Test constructed
Test move assigned
Test destructed
Test destructed
https://ideone.com/vhMlQS
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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