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C++ swap strings

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Swap strings in C++

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  1. // swap strings
  2. #include <iostream>
  3. #include <string>
  4.  
  5. main ()
  6. {
  7.   std::string buyer ("money");
  8.   std::string seller ("goods");
  9.  
  10.   std::cout << "Before the swap, buyer has " << buyer;
  11.   std::cout << " and seller has " << seller << '\n';
  12.  
  13.   seller.swap (buyer);
  14.  
  15.   std::cout << " After the swap, buyer has " << buyer;
  16.   std::cout << " and seller has " << seller << '\n';
  17.  
  18.   return 0;
  19. }

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