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- // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
- // 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/type_traits for most recent version including documentation.
- #ifndef BOOST_TT_IS_VOID_HPP_INCLUDED
- #define BOOST_TT_IS_VOID_HPP_INCLUDED
- #include <boost/type_traits/integral_constant.hpp>
- namespace boost {
- template <class T>
- struct is_void : public false_type {};
- template<> struct is_void<void> : public true_type {};
- template<> struct is_void<const void> : public true_type{};
- template<> struct is_void<const volatile void> : public true_type{};
- template<> struct is_void<volatile void> : public true_type{};
- } // namespace boost
- #endif // BOOST_TT_IS_VOID_HPP_INCLUDED
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