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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct X {
  5.     int a = 1;
  6. };
  7.  
  8. struct Y {
  9.     X &_x;
  10.     Y(X &x) : _x(x) {}
  11. };
  12. struct Z {
  13.     X &_x;
  14.     Z(X x) : _x(x) {}
  15. };
  16.  
  17. int main() {
  18.     X x;
  19.     Y y(x);
  20.     Z z(x);
  21.     cout << "x: " << &x << endl;
  22.     cout << "y.x: " << &y._x << endl;
  23.     cout << "z.x: " << &z._x << endl;
  24.  
  25. }
Success #stdin #stdout 0s 2896KB
comments (?)
stdin
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Standard input is empty
stdout
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x: 0xbfa195f8
y.x: 0xbfa195f8
z.x: 0xbfa195fc
https://ideone.com/gTx0BL
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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