42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
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// Copyright (C) 2003, 2008 Fernando Luis Cacciola Carballal.
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// Copyright (C) 2016 Andrzej Krzemienski
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//
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// Use, modification, and distribution is subject to the Boost Software
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// License, Version 1.0. (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/optional for documentation.
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//
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// You are welcome to contact the author at:
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// fernando_cacciola@hotmail.com
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//
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// Revisions:
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// 10 May 2008 (added swap related forward declaration) Niels Dekker
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//
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#ifndef BOOST_OPTIONAL_OPTIONAL_FWD_FLC_19NOV2002_HPP
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#define BOOST_OPTIONAL_OPTIONAL_FWD_FLC_19NOV2002_HPP
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#include <boost/config.hpp>
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namespace boost {
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template<class T> class optional ;
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// This forward is needed to refer to namespace scope swap from the member swap
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template<class T> void swap ( optional<T>& , optional<T>& ) ;
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template<class T> struct optional_swap_should_use_default_constructor ;
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#ifndef BOOST_OPTIONAL_CONFIG_DONT_SPECIALIZE_OPTIONAL_REFS
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template<class T> class optional<T&> ;
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template<class T> void swap ( optional<T&>& , optional<T&>& ) BOOST_NOEXCEPT;
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#endif
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} // namespace boost
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#endif
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