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// (C) Copyright Jonathan Turkanis 2003.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
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// See http://www.boost.org/libs/iostreams for documentation.
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#ifndef BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED
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#define BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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#include <boost/config.hpp> // DEDUCED_TYPENAME, MSVC.
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#include <boost/detail/workaround.hpp>
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#include <boost/iostreams/detail/dispatch.hpp>
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#include <boost/iostreams/detail/streambuf.hpp>
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#include <boost/iostreams/detail/wrap_unwrap.hpp>
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#include <boost/iostreams/operations_fwd.hpp>
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#include <boost/mpl/if.hpp>
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// Must come last.
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#include <boost/iostreams/detail/config/disable_warnings.hpp>
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namespace boost { namespace iostreams {
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namespace detail {
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// Implementation templates for simulated tag dispatch.
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template<typename T>
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struct imbue_impl;
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} // End namespace detail.
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template<typename T, typename Locale>
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void imbue(T& t, const Locale& loc)
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{ detail::imbue_impl<T>::imbue(detail::unwrap(t), loc); }
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namespace detail {
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//------------------Definition of imbue_impl----------------------------------//
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template<typename T>
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struct imbue_impl
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: mpl::if_<
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is_custom<T>,
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operations<T>,
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imbue_impl<
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BOOST_DEDUCED_TYPENAME
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dispatch<
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T, streambuf_tag, localizable_tag, any_tag
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>::type
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>
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>::type
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{ };
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template<>
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struct imbue_impl<any_tag> {
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template<typename T, typename Locale>
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static void imbue(T&, const Locale&) { }
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};
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template<>
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struct imbue_impl<streambuf_tag> {
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template<typename T, typename Locale>
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static void imbue(T& t, const Locale& loc) { t.pubimbue(loc); }
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};
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template<>
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struct imbue_impl<localizable_tag> {
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template<typename T, typename Locale>
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static void imbue(T& t, const Locale& loc) { t.imbue(loc); }
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};
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} // End namespace detail.
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} } // End namespaces iostreams, boost.
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#include <boost/iostreams/detail/config/enable_warnings.hpp>
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#endif // #ifndef BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED
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