#ifndef BOOST_TYPE_TRAITS_IS_NONCOPYABLE_HPP_INCLUDED
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#define BOOST_TYPE_TRAITS_IS_NONCOPYABLE_HPP_INCLUDED
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//
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// Copyright 2018 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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// See 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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//
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// is_noncopyable<T> returns whether T is derived from boost::noncopyable
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//
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#include <boost/type_traits/is_base_and_derived.hpp>
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namespace boost
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{
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#ifndef BOOST_NONCOPYABLE_BASE_TOKEN_DEFINED
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#define BOOST_NONCOPYABLE_BASE_TOKEN_DEFINED
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// boost::noncopyable derives from noncopyable_::base_token to enable us
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// to recognize it. The definition is macro-guarded so that we can replicate
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// it here without including boost/core/noncopyable.hpp, which is in Core.
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namespace noncopyable_
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{
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struct base_token {};
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}
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#endif // #ifndef BOOST_NONCOPYABLE_BASE_TOKEN_DEFINED
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template<class T> struct is_noncopyable: is_base_and_derived<noncopyable_::base_token, T>
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{
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};
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} // namespace boost
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#endif // #ifndef BOOST_TYPE_TRAITS_IS_NONCOPYABLE_HPP_INCLUDED
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