42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
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#ifndef BOOST_SMART_PTR_ENABLE_SHARED_FROM_HPP_INCLUDED
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#define BOOST_SMART_PTR_ENABLE_SHARED_FROM_HPP_INCLUDED
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// enable_shared_from.hpp
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//
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// Copyright 2019, 2020 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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// See http://www.boost.org/libs/smart_ptr/ for documentation.
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#include <boost/smart_ptr/enable_shared_from_this.hpp>
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#include <boost/smart_ptr/detail/sp_noexcept.hpp>
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namespace boost
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{
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class enable_shared_from: public enable_shared_from_this<enable_shared_from>
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{
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private:
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using enable_shared_from_this<enable_shared_from>::shared_from_this;
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using enable_shared_from_this<enable_shared_from>::weak_from_this;
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};
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template<class T> shared_ptr<T> shared_from( T * p )
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{
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return shared_ptr<T>( p->enable_shared_from_this<enable_shared_from>::shared_from_this(), p );
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}
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template<class T> weak_ptr<T> weak_from( T * p ) BOOST_SP_NOEXCEPT
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{
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return weak_ptr<T>( p->enable_shared_from_this<enable_shared_from>::weak_from_this(), p );
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}
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} // namespace boost
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#endif // #ifndef BOOST_SMART_PTR_ENABLE_SHARED_FROM_HPP_INCLUDED
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