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  1. #include <iostream>
  2.  
  3. int main()
  4. {
  5.     using namespace std;
  6.  
  7.     int x = 1;
  8.     int  const& ri = x;
  9.     long const& rl = x;
  10.  
  11.     cout << &x << endl;
  12.     cout << &ri << endl;
  13.     cout << &rl << endl;
  14.  
  15.     cout << endl;
  16.  
  17.     cout << x << ' ' << ri << ' ' << rl << endl;
  18.     x++;
  19.     cout << x << ' ' << ri << ' ' << rl << endl;
  20. }
Success #stdin #stdout 0s 2896KB
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stdin
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Standard input is empty
stdout
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0xbfa8c388
0xbfa8c388
0xbfa8c38c

1 1 1
2 2 1
https://ideone.com/b0M4oO
Trying to bind a long const& reference to an int creates a temporary long independent of the original int.
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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