// -----------------------------------------------------------------------------------------------------
// Copyright (c) 2006-2022, Knut Reinert & Freie Universität Berlin
// Copyright (c) 2016-2022, Knut Reinert & MPI für molekulare Genetik
// This file may be used, modified and/or redistributed under the terms of the 3-clause BSD-License
// shipped with this file and also available at: https://github.com/seqan/seqan3/blob/master/LICENSE.md
// -----------------------------------------------------------------------------------------------------

/*!\file
 * \brief Provides seqan3::detail::empty_type.
 * \author Rene Rahn <rene.rahn AT fu-berlin.de>
 */

#pragma once

#include <seqan3/core/platform.hpp>

namespace seqan3::detail
{

//!\brief An empty class type used in meta programming.
//!\ingroup core
struct empty_type
{};

} // namespace seqan3::detail
