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  1. #include <iostream>
  2.  
  3. // Valid example:
  4. void foo(const int& x)
  5. {
  6.     std::cout << x << std::endl;
  7. }
  8.  
  9. int main()
  10. {
  11.     // legal; the temporary is bound to a const reference, so the compiler doesn't have to worry about foo() modifying it
  12.     foo(7 * 6);
  13. }
Success #stdin #stdout 0.01s 2680KB
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Standard input is empty
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42
https://ideone.com/bNtE1B
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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