#ifndef _VARIABLEARRAY_H_
#define _VARIABLEARRAY_H_

#include "collection.h"
#include <string>
#include <sstream>
#include <vector>

#define ARR_STARTING_SIZE   8

class VariableArray : public Collection
{
  public:
    VariableArray();
    VariableArray(const VariableArray&);
    VariableArray& operator=(const Collection&);
    ~VariableArray();

    virtual void add(int);
    virtual bool remove(int);
    virtual int operator[](const int);
    virtual VariableArray *copy(void);

    /* override these methods that had empty definitions in the interface */
    void iterate(void (*)(int *));
    bool contains(int) const;

    std::string print(void) const;

  protected:

  private:
    std::vector<int> arr;
};

#endif