34 lines
762 B
C++
34 lines
762 B
C++
// Copyright Antony Polukhin, 2021-2024.
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_ANY_ANYS_DETAIL_PLACEHOLDER_HPP
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#define BOOST_ANY_ANYS_DETAIL_PLACEHOLDER_HPP
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#include <boost/config.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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# pragma once
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#endif
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#include <boost/type_index.hpp>
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/// @cond
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namespace boost {
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namespace anys {
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namespace detail {
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class BOOST_SYMBOL_VISIBLE placeholder {
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public:
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virtual ~placeholder() {}
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virtual const boost::typeindex::type_info& type() const noexcept = 0;
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};
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} // namespace detail
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} // namespace anys
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} // namespace boost
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/// @endcond
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#endif // #ifndef BOOST_ANY_ANYS_DETAIL_PLACEHOLDER_HPP
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