semialphabet_any.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/alphabet/alphabet_base.hpp>
 
namespace seqan3
{
 
template <size_t size>
class semialphabet_any : public alphabet_base<semialphabet_any<size>, size, void>
{
private:
    using base_t = alphabet_base<semialphabet_any<size>, size, void>;
 
    friend base_t;
 
public:
    using base_t::to_rank;
    using base_t::assign_rank;
 
    constexpr semialphabet_any()                                     noexcept = default; 
    constexpr semialphabet_any(semialphabet_any const &)             noexcept = default; 
    constexpr semialphabet_any(semialphabet_any &&)                  noexcept = default; 
    constexpr semialphabet_any & operator=(semialphabet_any const &) noexcept = default; 
    constexpr semialphabet_any & operator=(semialphabet_any &&)      noexcept = default; 
    ~semialphabet_any()                                              noexcept = default; 
 
    template <semialphabet other_alph_t>
        requires (alphabet_size<other_alph_t> == size)
    explicit semialphabet_any(other_alph_t const other)
    {
        assign_rank(seqan3::to_rank(other));
    }
 
    template <semialphabet other_alph_t>
        requires ((alphabet_size<other_alph_t> == size) && std::regular<other_alph_t>)
    explicit operator other_alph_t() const
    {
        other_alph_t other{};
        assign_rank_to(to_rank(), other);
        return other;
    }
};
 
} // namespace seqan3