#ifndef int_array_h_
#define int_array_h_

// Definition for an integer array class.  Most of the member
// functions (methods) are self-explanatory. 

class int_array {
public:
  //  A variety of constructors
  int_array( );
  int_array( int n );
  int_array( int n, const int& init );
  int_array( const int_array& rhs );

  //  Destructor
  ~int_array();

  const int_array& operator= ( const int_array& rhs );
  void resize( int n );  // change the size of the array.

  int size() const { return this->n_; }
  int& operator[]( int i ) { return this->elements_[i]; }
  const int& operator[]( int i ) const { return this->elements_[i]; }

  friend bool operator==( const int_array& lhs, const int_array& rhs );
  friend ostream& operator<<( ostream& ostr, const int_array& rhs );

private:
  void copy( const int_array & rhs );

private:
  int* elements_;
  int n_;
};

#endif