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  1. #include <iostream>
  2.  
  3. struct foo_t
  4. {
  5.     int& a;
  6. };
  7.  
  8. struct bar_t
  9. {
  10.     int* a;
  11. };
  12.  
  13. int main()
  14. {
  15.     bar_t bar{ 0 };
  16.     foo_t foo( *reinterpret_cast< foo_t* >( &bar ) );
  17.  
  18.     int& nullref = foo.a;
  19.  
  20.     std::cout << "&nulref: "<< &nullref << std::endl;
  21. }
  22.  
Success #stdin #stdout 0s 2828KB
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stdin
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Standard input is empty
stdout
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&nulref: 0
https://ideone.com/nWopP
language:
C++14 (gcc 8.3)
created:
13 years ago
visibility:
public

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