View difference between Paste ID: Uxd6ETev and 01QaW09p

 struct Node
 {
   Node(int value = 0)
     : value{value}, next{nullptr}
   {}
 
   int value;
   Node* next;
 };
 
 int main()
 {
   Node* first{new Node{5}};
   first->next = first;
 }