make ListIterator continue working on a changing list

1 files changed, 8 insertions, 8 deletions

diff --git a/backend/ListIterator.h b/backend/ListIterator.h
index c7fbf4a..3d11806 100644
--- a/backend/ListIterator.h
+++ b/backend/ListIterator.h
@@ -10,30 +10,30 @@ class List;
 template <typename T>
 class ListIterator {
 public:
-	ListIterator(const List<T> & list, size_t index);
+	ListIterator(ListLink<T> * & here);
 
 public:
-	T operator * () const;
+	T & operator * () const;
 	ListIterator<T> & operator ++ ();
 	bool operator != (const ListIterator<T> &) const;
 
 private:
-	const List<T> & list;
-	size_t index;
+	ListLink<T> * here = nullptr;
+	ListLink<T> * next = nullptr;
 };
 
 template <typename T>
 class ListRange {
 public:
-	ListRange(const List<T> & list);
+	ListRange(List<T> & list);
 
 public:
-	ListIterator<T> begin() const;
-	ListIterator<T> end() const;
+	ListIterator<T> begin();
+	ListIterator<T> end();
 	size_t size() const;
 
 private:
-	const List<T> & list;
+	List<T> & list;
 };
 
 #include "ListIterator.hpp"