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- // ----------------------------------------------------------------------------
- // msvc_disambiguater.hpp : msvc workarounds. (for put_{head|last} overloads)
- // the trick was described in boost's list by Aleksey Gurtovoy
- // ----------------------------------------------------------------------------
- // Copyright Samuel Krempp 2003. Use, modification, and distribution are
- // 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)
- // see http://www.boost.org/libs/format for library home page
- // ----------------------------------------------------------------------------
- #ifndef BOOST_MSVC_DISAMBIGUATER_HPP
- #define BOOST_MSVC_DISAMBIGUATER_HPP
- #if BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042))
- #include <boost/format/group.hpp>
- #include <ostream>
- namespace boost {
- namespace io {
- namespace detail {
- template< class Ch, class Tr, class T >
- struct disambiguater
- {
- template< typename U >
- static void put_head(BOOST_IO_STD basic_ostream<Ch, Tr>& os, group1<U> const& x, long)
- {
- os << group_head(x.a1_);
- }
- static void put_head(BOOST_IO_STD basic_ostream<Ch, Tr>& os, T const& x, int)
- {
- }
- template< typename U >
- static void put_last(BOOST_IO_STD basic_ostream<Ch, Tr>& os, group1<U> const& x, long)
- {
- os << group_last(x.a1_);
- }
- static void put_last(BOOST_IO_STD basic_ostream<Ch, Tr>& os, T const& x, int)
- {
- os << x;
- }
- };
- } // namespace detail
- } // namespace io
- } // namespace boost
- #endif // -__DECCXX_VER
- #endif // -BOOST_MSVC_DISAMBIGUATER_HPP
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