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

// (C) Copyright David Abrahams 2002.
// (C) Copyright Jeremy Siek    2002.
// (C) Copyright Thomas Witt    2002.
// 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)
#ifndef BOOST_INTEROPERABLE_23022003THW_HPP
#define BOOST_INTEROPERABLE_23022003THW_HPP

#include <type_traits>
#include <boost/iterator/detail/type_traits/disjunction.hpp>

namespace boost {
namespace iterators {

//
// Meta function that determines whether two
// iterator types are considered interoperable.
//
// Two iterator types A,B are considered interoperable if either
// A is convertible to B or vice versa.
// This interoperability definition is in sync with the
// standards requirements on constant/mutable container
// iterators (23.1 [lib.container.requirements]).
//
// For compilers that don't support is_convertible
// is_interoperable gives false positives. See comments
// on operator implementation for consequences.
//
template< typename A, typename B >
struct is_interoperable :
    public detail::disjunction< std::is_convertible< A, B >, std::is_convertible< B, A > >
{
};

} // namespace iterators

using iterators::is_interoperable;

} // namespace boost

#endif // BOOST_INTEROPERABLE_23022003THW_HPP

[-] iterator_concepts.hpp [edit]
[-] is_iterator.hpp [edit]
[-] distance.hpp [edit]
[-] min_category.hpp [edit]
[-] iterator_facade.hpp [edit]
[-] transform_iterator.hpp [edit]
[-] enable_if_convertible.hpp [edit]
[+] ..
[-] iterator_categories.hpp [edit]
[-] iterator_adaptor.hpp [edit]
[-] iterator_traits.hpp [edit]
[-] advance.hpp [edit]
[-] reverse_iterator.hpp [edit]
[+] detail
[-] interoperable.hpp [edit]
[-] minimum_category.hpp [edit]