| 
														
															@@ -87,7 +87,7 @@ class List 
														 | 
													
												
											
												
													
														| 
														 | 
														
															         return result; 
														 | 
														
														 | 
														
															         return result; 
														 | 
													
												
											
												
													
														| 
														 | 
														
															     } 
														 | 
														
														 | 
														
															     } 
														 | 
													
												
											
												
													
														| 
														 | 
														
															  
														 | 
														
														 | 
														
															  
														 | 
													
												
											
												
													
														| 
														 | 
														
															-    virtual void pop(Node<T>* node) 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															 
														 | 
														
														 | 
														
															+    virtual Node<T> pop(Node<T>* node) 
														 | 
													
												
											
												
													
														| 
														 | 
														
															     { 
														 | 
														
														 | 
														
															     { 
														 | 
													
												
											
												
													
														| 
														 | 
														
															         node->next->prev = node->prev; 
														 | 
														
														 | 
														
															         node->next->prev = node->prev; 
														 | 
													
												
											
												
													
														| 
														 | 
														
															         node->prev->next = node->next; 
														 | 
														
														 | 
														
															         node->prev->next = node->next; 
														 | 
													
												
											
										
											
												
													
														 | 
														
															@@ -95,7 +95,7 @@ class List 
														 | 
													
												
											
												
													
														| 
														 | 
														
															         return node; 
														 | 
														
														 | 
														
															         return node; 
														 | 
													
												
											
												
													
														| 
														 | 
														
															     } 
														 | 
														
														 | 
														
															     } 
														 | 
													
												
											
												
													
														| 
														 | 
														
															  
														 | 
														
														 | 
														
															  
														 | 
													
												
											
												
													
														| 
														 | 
														
															-    virtual void pop(int index) 
														 | 
														
														 | 
														
															 
														 | 
													
												
											
												
													
														| 
														 | 
														
															 
														 | 
														
														 | 
														
															+    virtual Node<T> pop(int index) 
														 | 
													
												
											
												
													
														| 
														 | 
														
															     { 
														 | 
														
														 | 
														
															     { 
														 | 
													
												
											
												
													
														| 
														 | 
														
															         Node<T> result; 
														 | 
														
														 | 
														
															         Node<T> result; 
														 | 
													
												
											
												
													
														| 
														 | 
														
															         if (index==0) { 
														 | 
														
														 | 
														
															         if (index==0) { 
														 |