ignore_output_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 <iterator>
 
#include <seqan3/core/platform.hpp>
 
namespace seqan3::detail
{

class ignore_output_iterator
{
public:

    using value_type = void;
    using reference = void;
    using pointer = void;
    using difference_type = std::ptrdiff_t;
    using iterator_category = std::output_iterator_tag;

    ignore_output_iterator() = default;                                           
    ignore_output_iterator(ignore_output_iterator const &) = default;             
    ignore_output_iterator(ignore_output_iterator &&) = default;                  
    ignore_output_iterator & operator=(ignore_output_iterator const &) = default; 
    ignore_output_iterator & operator=(ignore_output_iterator &&) = default;      
    ~ignore_output_iterator() = default;                                          

    template <typename type>
    constexpr ignore_output_iterator & operator=(type const /*v*/) noexcept
    {
        return *this;
    }

    constexpr ignore_output_iterator & operator*() noexcept
    {
        return *this;
    }

    constexpr ignore_output_iterator & operator++() noexcept
    {
        return *this;
    }

    constexpr ignore_output_iterator & operator++(int) noexcept
    {
        return *this;
    }
};
 
} // namespace seqan3::detail