trace_iterator.hpp

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// SPDX-FileCopyrightText: 2006-2025 Knut Reinert & Freie Universität Berlin
// SPDX-FileCopyrightText: 2016-2025 Knut Reinert & MPI für molekulare Genetik
// SPDX-License-Identifier: BSD-3-Clause

 
#pragma once
 
#include <seqan3/alignment/matrix/detail/trace_iterator_base.hpp>
 
namespace seqan3::detail
{

template <two_dimensional_matrix_iterator matrix_iter_t>
class trace_iterator : public trace_iterator_base<trace_iterator<matrix_iter_t>, matrix_iter_t>
{
private:
    static_assert(std::same_as<std::iter_value_t<matrix_iter_t>, trace_directions>,
                  "Value type of the underlying iterator must be trace_directions.");

    using base_t = trace_iterator_base<trace_iterator<matrix_iter_t>, matrix_iter_t>;
 
public:
    constexpr trace_iterator() = default;                                   
    constexpr trace_iterator(trace_iterator const &) = default;             
    constexpr trace_iterator(trace_iterator &&) = default;                  
    constexpr trace_iterator & operator=(trace_iterator const &) = default; 
    constexpr trace_iterator & operator=(trace_iterator &&) = default;      
    ~trace_iterator() = default;                                            

    explicit constexpr trace_iterator(matrix_iter_t const matrix_iter) noexcept : base_t{matrix_iter}
    {}

    template <two_dimensional_matrix_iterator other_matrix_iter_t>
        requires std::constructible_from<matrix_iter_t, other_matrix_iter_t>
    constexpr trace_iterator(trace_iterator<other_matrix_iter_t> const other) noexcept : base_t{other}
    {}
};
 
} // namespace seqan3::detail