// Boost.Range library | |
// | |
// Copyright Thorsten Ottosen, Neil Groves 2006 - 2008. Use, modification and | |
// distribution is subject to 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) | |
// | |
// For more information, see http://www.boost.org/libs/range/ | |
// | |
#ifndef BOOST_RANGE_ADAPTOR_INDIRECTED_HPP | |
#define BOOST_RANGE_ADAPTOR_INDIRECTED_HPP | |
#include <boost/range/iterator_range.hpp> | |
#include <boost/iterator/indirect_iterator.hpp> | |
namespace boost | |
{ | |
namespace range_detail | |
{ | |
template< class R > | |
struct indirected_range : | |
public boost::iterator_range< | |
boost::indirect_iterator< | |
BOOST_DEDUCED_TYPENAME range_iterator<R>::type | |
> | |
> | |
{ | |
private: | |
typedef boost::iterator_range< | |
boost::indirect_iterator< | |
BOOST_DEDUCED_TYPENAME range_iterator<R>::type | |
> | |
> | |
base; | |
public: | |
explicit indirected_range( R& r ) | |
: base( r ) | |
{ } | |
}; | |
struct indirect_forwarder {}; | |
template< class InputRng > | |
inline indirected_range<InputRng> | |
operator|( InputRng& r, indirect_forwarder ) | |
{ | |
return indirected_range<InputRng>( r ); | |
} | |
template< class InputRng > | |
inline indirected_range<const InputRng> | |
operator|( const InputRng& r, indirect_forwarder ) | |
{ | |
return indirected_range<const InputRng>( r ); | |
} | |
} // 'range_detail' | |
using range_detail::indirected_range; | |
namespace adaptors | |
{ | |
namespace | |
{ | |
const range_detail::indirect_forwarder indirected = | |
range_detail::indirect_forwarder(); | |
} | |
template<class InputRange> | |
inline indirected_range<InputRange> | |
indirect(InputRange& rng) | |
{ | |
return indirected_range<InputRange>(rng); | |
} | |
template<class InputRange> | |
inline indirected_range<const InputRange> | |
indirect(const InputRange& rng) | |
{ | |
return indirected_range<const InputRange>(rng); | |
} | |
} // 'adaptors' | |
} | |
#endif |