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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 BOOST_RANGE_DETAIL_BEGIN_HPP
- #define BOOST_RANGE_DETAIL_BEGIN_HPP
- #include <boost/config.hpp> // BOOST_MSVC
- #include <boost/detail/workaround.hpp>
- #include <boost/range/iterator.hpp>
- #include <boost/range/detail/common.hpp>
- namespace boost
- {
- namespace range_detail
- {
- template< typename T >
- struct range_begin;
- //////////////////////////////////////////////////////////////////////
- // default
- //////////////////////////////////////////////////////////////////////
- template<>
- struct range_begin<std_container_>
- {
- template< typename C >
- BOOST_CONSTEXPR static BOOST_RANGE_DEDUCED_TYPENAME range_iterator<C>::type fun( C& c )
- {
- return c.begin();
- };
- };
- //////////////////////////////////////////////////////////////////////
- // pair
- //////////////////////////////////////////////////////////////////////
- template<>
- struct range_begin<std_pair_>
- {
- template< typename P >
- BOOST_CONSTEXPR static BOOST_RANGE_DEDUCED_TYPENAME range_iterator<P>::type fun( const P& p )
- {
- return p.first;
- }
- };
- //////////////////////////////////////////////////////////////////////
- // array
- //////////////////////////////////////////////////////////////////////
- template<>
- struct range_begin<array_>
- {
- template<typename T>
- BOOST_CONSTEXPR static BOOST_RANGE_DEDUCED_TYPENAME range_value<T>::type* fun(T& t)
- {
- return t;
- }
- };
- } // namespace 'range_detail'
- namespace range_adl_barrier
- {
- template< typename C >
- BOOST_CONSTEXPR inline BOOST_RANGE_DEDUCED_TYPENAME range_iterator<C>::type
- begin( C& c )
- {
- return range_detail::range_begin< BOOST_RANGE_DEDUCED_TYPENAME range_detail::range<C>::type >::fun( c );
- }
- }
- } // namespace 'boost'
- #endif
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