on_result.hpp

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// SPDX-FileCopyrightText: 2006-2026 Knut Reinert & Freie Universität Berlin
// SPDX-FileCopyrightText: 2016-2026 Knut Reinert & MPI für molekulare Genetik
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include <type_traits>
 
#include <seqan3/contrib/std/detail/movable_box.hpp>
#include <seqan3/core/configuration/pipeable_config_element.hpp>
#include <seqan3/search/configuration/detail.hpp>
 
namespace seqan3::search_cfg
{
 
template <std::move_constructible callback_t>
class on_result : private seqan3::pipeable_config_element
{
public:
    seqan::stl::detail::movable_box_t<callback_t> callback; // Allows lambdas with capture blocks.
 
    constexpr on_result() = default;                              
    constexpr on_result(on_result const &) = default;             
    constexpr on_result(on_result &&) = default;                  
    constexpr on_result & operator=(on_result const &) = default; 
    constexpr on_result & operator=(on_result &&) = default;      
    ~on_result() = default;                                       
 
    constexpr explicit on_result(callback_t && callback) : callback{std::forward<callback_t>(callback)}
    {}
 
    static constexpr seqan3::detail::search_config_id id{seqan3::detail::search_config_id::on_result};
};
 
template <std::move_constructible callback_t>
on_result(callback_t &&) -> on_result<std::decay_t<callback_t>>;
} // namespace seqan3::search_cfg