Delete list.h

Uppgift-2-Lista/list.h

-class List
-{
-public:
-  List();
-  void insert(int val);
-  void delete(int val);
-  int get(int index) const;
-  int size() const;
-
-private:
-  class Element
-  {
-    int value;
-    Element* next;
-    Element* prev;
-  }
-  Element* first;
-  Element* last;
-  }