record_like.hpp

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// -----------------------------------------------------------------------------------------------------
// Copyright (c) 2006-2021, Knut Reinert & Freie Universität Berlin
// Copyright (c) 2016-2021, 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
// -----------------------------------------------------------------------------------------------------
 
#pragma once
 
#include <seqan3/io/record.hpp>
#include <seqan3/utility/tuple/concept.hpp>
 
namespace seqan3::detail
{
 
template <typename record_t>
struct is_derived_from_record
{
private:
    static std::false_type derived_from(...);
 
    template <typename... args_t>
    static std::true_type derived_from(seqan3::record<args_t...> &);
 
public:
    static constexpr bool value = decltype(derived_from(std::declval<record_t &>())){};
};
 
template <typename record_t>
concept record_like = tuple_like<record_t> && is_derived_from_record<std::remove_cvref_t<record_t>>::value;
} // namespace seqan3::detail