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  1. template<typename T>
  2. class LinkedList {
  3. private:
  4. 	struct Node; // Private forward declaration of the private class
  5.  
  6. public:
  7.     class LinkedListIterator {
  8.     public:
  9.         LinkedListIterator(Node* node) : node(node) {}
  10.         LinkedListIterator& operator++() {
  11.             if (node != nullptr) {
  12.                 node = node->next;
  13.             }
  14.         }
  15.     private:
  16.         Node* node;
  17.     };
  18.     LinkedListIterator begin() {
  19.         return LinkedListIterator(head);
  20.     }
  21. private:
  22.     struct Node {
  23.         Node* next;
  24.     };
  25.     Node* head;
  26. };
  27.  
  28. int main()
  29. {
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 3408KB
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https://ideone.com/1uj2Dm
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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