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  1. #include <iostream>
  2.  
  3. void foo(int &x) {
  4.   x = 10;
  5. }
  6.  
  7. int main() {
  8.   int x = 512;
  9.  
  10.   foo(x);
  11.  
  12.   std::cout << x << std::endl;
  13. }
Success #stdin #stdout 0s 4388KB
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Standard input is empty
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10
https://ideone.com/O7L0uB
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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