598bfd3f
 Hu Chunming
提交_GLIBCXX_USE_CX...
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// Copyright Antony Polukhin, 2021-2022.
//
// 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)
// Contributed by Ruslan Arutyunyan
#ifndef BOOST_ANY_ANYS_FWD_HPP
#define BOOST_ANY_ANYS_FWD_HPP
#include <boost/config.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
# pragma once
#endif
#include <boost/type_traits/alignment_of.hpp>
namespace boost {
class any;
namespace anys {
template<std::size_t OptimizeForSize = sizeof(void*), std::size_t OptimizeForAlignment = boost::alignment_of<void*>::value>
class basic_any;
namespace detail {
template <class T>
struct is_basic_any: public false_type {};
template<std::size_t OptimizeForSize, std::size_t OptimizeForAlignment>
struct is_basic_any<boost::anys::basic_any<OptimizeForSize, OptimizeForAlignment> > : public true_type {};
} // namespace detail
} // namespace anys
} // namespace boost
#endif // #ifndef BOOST_ANY_ANYS_FWD_HPP
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