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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. void f (int &&a)
  5. {
  6. 	a = 1;
  7.    //do somethins;	
  8. }
  9.  
  10. int main() {
  11. 	int b = 1;
  12. 	int &&bb = 2;
  13. 	int &a = b;
  14.  
  15. 	cout << &a;
  16.  
  17.     f(bb);
  18.  
  19. 	return 0;
  20. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:17:7: error: cannot bind ‘int’ lvalue to ‘int&&’
     f(bb);
       ^~
prog.cpp:4:6: note:   initializing argument 1 of ‘void f(int&&)’
 void f (int &&a)
      ^
stdout
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Standard output is empty
https://ideone.com/StBJv5
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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