/* 
 * Copyright Neal Becker 2009
 * Distributed under the Boost Software License, Version 1.0. (See
 * accompanying file LICENSE_1_0.txt or copy at
 * http://www.boost.org/LICENSE_1_0.txt)
 *
 * Adapts an array defined by a pointer,length to boost::range interface
 */

#ifndef array_range_hpp
#define array_range_hpp

#include <stddef.h>		// size_t

template<typename el_t>
struct array_range {
  typedef el_t* iterator;
  typedef el_t const* const_iterator;

  array_range (el_t* _data, size_t _size) :
    data (_data), size (_size) {}

  iterator begin() { return data; }
  const_iterator begin() const { return data; }

  iterator end() { return data+size; }
  const_iterator end() const { return data+size; }

  el_t* data;
  size_t size;
};

// (Minor) convenience function to create array_range (create
// array_range without needing to specify template parameter)
template<typename el_t>
array_range<el_t> inline make_array_range (el_t* data, size_t size) {
  return array_range<el_t> (data, size);
}

#endif