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// Boost.Range library
//
// Copyright Thorsten Ottosen 2003-2004. 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 NDNBOOST_RANGE_DETAIL_BEGIN_HPP
#define NDNBOOST_RANGE_DETAIL_BEGIN_HPP
#include <ndnboost/config.hpp> // NDNBOOST_MSVC
#include <ndnboost/detail/workaround.hpp>
#include <ndnboost/range/iterator.hpp>
#include <ndnboost/range/detail/common.hpp>
#if NDNBOOST_WORKAROUND(NDNBOOST_MSVC, < 1310)
# include <ndnboost/range/value_type.hpp>
#endif
namespace ndnboost
{
namespace range_detail
{
template< typename T >
struct range_begin;
//////////////////////////////////////////////////////////////////////
// default
//////////////////////////////////////////////////////////////////////
template<>
struct range_begin<std_container_>
{
template< typename C >
static NDNBOOST_RANGE_DEDUCED_TYPENAME range_iterator<C>::type fun( C& c )
{
return c.begin();
};
};
//////////////////////////////////////////////////////////////////////
// pair
//////////////////////////////////////////////////////////////////////
template<>
struct range_begin<std_pair_>
{
template< typename P >
static NDNBOOST_RANGE_DEDUCED_TYPENAME range_iterator<P>::type fun( const P& p )
{
return p.first;
}
};
//////////////////////////////////////////////////////////////////////
// array
//////////////////////////////////////////////////////////////////////
template<>
struct range_begin<array_>
{
#if !NDNBOOST_WORKAROUND(NDNBOOST_MSVC, < 1310)
template< typename T, std::size_t sz >
static T* fun( T NDNBOOST_RANGE_ARRAY_REF()[sz] )
{
return boost_range_array;
}
#else
template<typename T>
static NDNBOOST_RANGE_DEDUCED_TYPENAME range_value<T>::type* fun(T& t)
{
return t;
}
#endif
};
} // namespace 'range_detail'
namespace range_adl_barrier
{
template< typename C >
inline NDNBOOST_RANGE_DEDUCED_TYPENAME range_iterator<C>::type
begin( C& c )
{
return range_detail::range_begin< NDNBOOST_RANGE_DEDUCED_TYPENAME range_detail::range<C>::type >::fun( c );
}
}
} // namespace 'boost'
#endif