Mercurial > Algorithms__Sedgewick
view algs4-c++/src/ResizingArrayDeque.hpp @ 14:2f87e582d91a
ResizingArrayDeque (exercise 1.3.33)
| author | Eris Caffee <discordia@eldalin.com> |
|---|---|
| date | Wed, 10 Jun 2015 18:12:59 -0500 |
| parents | |
| children | a149b424b4e2 |
line source
1 #ifndef RESIZINGARRAYDEQUE_HPP
2 #define RESIZINGARRAYDEQUE_HPP
4 #include <cstddef>
6 template <typename T>
7 class ResizingArrayDeque {
9 public:
11 ////////////////////////////////////////
12 class iterator {
14 public:
16 iterator( T *c, T *l, T *b, T *m );
18 iterator& operator++();
19 iterator operator++(int);
21 T operator*();
22 bool operator!=( typename ResizingArrayDeque<T>::iterator );
24 private:
26 T *curr;
27 T *last;
28 T *begin;
29 T *max;
30 };
32 ////////////////////////////////////////
33 ResizingArrayDeque( void );
34 ~ResizingArrayDeque( void );
36 void push_left( T &item );
37 void push_right( T &item );
38 T pop_left( void );
39 T pop_right( void );
41 bool is_empty( void );
42 size_t size( void );
44 iterator begin( void );
45 iterator end( void );
47 private:
49 size_t N;
50 size_t max;
51 T *first, *last;
52 T *data;
54 void resize( size_t new_max );
55 };
59 #endif