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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. string f(std::string&& s)
  5. {
  6.     std::string res(std::move(s));
  7.     res += " plus extra";
  8.     return res;
  9. }
  10.  
  11. int main(void)
  12. {
  13.    std::string str = "A string";
  14.    cout << f( std::move(str) ) << endl;
  15.    std::cout << "'" << str << "'" << std::endl; // Unspecified behavior
  16.  
  17.    return 0;
  18. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin 
Standard input is empty
stdout 
A string plus extra
''
https://ideone.com/F3RvNP
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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