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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	std::string x("Hello");
  6.  
  7. 	std::string y = x;  // x and y use the same buffer
  8.  
  9. 	y += ", World!";    // now y uses a different buffer
  10.                     // x still uses the same old buffer
  11.     cout << x + "\n";
  12.     cout << y;
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 15240KB
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stdin
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Standard input is empty
stdout
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Hello
Hello, World!
https://ideone.com/J4ptGo
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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