PR3-Rust-SS26/D-ownership/example-code/03-borrowing/dangling-reference.cpp

#include <iostream>

int main() {
  int* ptr1 = new int(42);
  int* ptr2 = ptr1;
  delete ptr1;

  std::cout << "Wert bei " << ptr2 << " ist " << *ptr2 << std::endl;
}