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PATH: opt / cpanel / ea-ruby27 / src / passenger-release-6.1.2 / src / cxx_supportlib / vendor-modified / boost / range

// Boost.Range library
//
//  Copyright Neil Groves 2010. 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/
//
// Acknowledgments:
// Ticket #8341: Arno Schoedl - improved handling of has_range_iterator upon
// use-cases where T was const.
#ifndef BOOST_RANGE_HAS_ITERATOR_HPP_INCLUDED
#define BOOST_RANGE_HAS_ITERATOR_HPP_INCLUDED

#include <boost/mpl/bool.hpp>
#include <boost/mpl/eval_if.hpp>
#include <boost/mpl/has_xxx.hpp>
#include <boost/range/iterator.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/core/enable_if.hpp>

namespace boost
{
    namespace range_detail
    {
        BOOST_MPL_HAS_XXX_TRAIT_DEF(type)

template<class T, class Enabler = void>
        struct has_range_iterator_impl
            : boost::mpl::false_
        {
        };

template<class T>
        struct has_range_iterator_impl<
            T,
            BOOST_DEDUCED_TYPENAME ::boost::enable_if<
                BOOST_DEDUCED_TYPENAME mpl::eval_if<is_const<T>,
                    has_type<boost::range_const_iterator<
                                BOOST_DEDUCED_TYPENAME remove_const<T>::type> >,
                    has_type<boost::range_mutable_iterator<T> >
                >::type
            >::type
        >
            : boost::mpl::true_
        {
        };

template<class T, class Enabler = void>
        struct has_range_const_iterator_impl
            : boost::mpl::false_
        {
        };

template<class T>
        struct has_range_const_iterator_impl<
            T,
            BOOST_DEDUCED_TYPENAME ::boost::enable_if<
                has_type<boost::range_const_iterator<T> >
            >::type
        >
            : boost::mpl::true_
        {
        };

} // namespace range_detail

template<class T>
    struct has_range_iterator
        : range_detail::has_range_iterator_impl<
            BOOST_DEDUCED_TYPENAME remove_reference<T>::type>
    {};

template<class T>
    struct has_range_const_iterator
        : range_detail::has_range_const_iterator_impl<
            BOOST_DEDUCED_TYPENAME remove_reference<T>::type>
    {};
} // namespace boost

#endif // include guard

[-] end.hpp [edit]
[-] size_type.hpp [edit]
[-] empty.hpp [edit]
[-] iterator_range_io.hpp [edit]
[-] mutable_iterator.hpp [edit]
[-] range_fwd.hpp [edit]
[-] distance.hpp [edit]
[-] begin.hpp [edit]
[-] config.hpp [edit]
[-] rend.hpp [edit]
[-] rbegin.hpp [edit]
[-] functions.hpp [edit]
[+] ..
[-] iterator.hpp [edit]
[-] has_range_iterator.hpp [edit]
[-] const_iterator.hpp [edit]
[-] size.hpp [edit]
[-] iterator_range_core.hpp [edit]
[-] iterator_range.hpp [edit]
[-] value_type.hpp [edit]
[-] reverse_iterator.hpp [edit]
[-] as_literal.hpp [edit]
[-] concepts.hpp [edit]
[-] difference_type.hpp [edit]
[+] detail
[+] algorithm