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diff --git a/src/third_party/boost-1.56.0/boost/pointee.hpp b/src/third_party/boost-1.56.0/boost/pointee.hpp
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-#ifndef POINTEE_DWA200415_HPP
-# define POINTEE_DWA200415_HPP
-
-//
-// Copyright David Abrahams 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)
-//
-// typename pointee<P>::type provides the pointee type of P.
-//
-// For example, it is T for T* and X for shared_ptr<X>.
-//
-// http://www.boost.org/libs/iterator/doc/pointee.html
-//
-
-# include <boost/detail/is_incrementable.hpp>
-# include <boost/iterator/iterator_traits.hpp>
-# include <boost/type_traits/add_const.hpp>
-# include <boost/type_traits/remove_cv.hpp>
-# include <boost/mpl/if.hpp>
-# include <boost/mpl/eval_if.hpp>
-
-namespace boost {
-
-namespace detail
-{
- template <class P>
- struct smart_ptr_pointee
- {
- typedef typename P::element_type type;
- };
-
- template <class Iterator>
- struct iterator_pointee
- {
- typedef typename iterator_traits<Iterator>::value_type value_type;
-
- struct impl
- {
- template <class T>
- static char test(T const&);
-
- static char (& test(value_type&) )[2];
-
- static Iterator& x;
- };
-
- BOOST_STATIC_CONSTANT(bool, is_constant = sizeof(impl::test(*impl::x)) == 1);
-
- typedef typename mpl::if_c<
-# if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
- ::boost::detail::iterator_pointee<Iterator>::is_constant
-# else
- is_constant
-# endif
- , typename add_const<value_type>::type
- , value_type
- >::type type;
- };
-}
-
-template <class P>
-struct pointee
- : mpl::eval_if<
- detail::is_incrementable<P>
- , detail::iterator_pointee<P>
- , detail::smart_ptr_pointee<P>
- >
-{
-};
-
-} // namespace boost
-
-#endif // POINTEE_DWA200415_HPP