trace_iterator.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/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