tests/exec/ref2.cpp


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#include <iostream>

void f(int &y) {
  y = 42;
}

int main() {
  int x = 41;
  std::cout << "x = " << x << "\n";
  f(x);
  std::cout << "x = " << x << "\n";
  x = 41;
  std::cout << "x = " << x << "\n";
}