SearchUtility.hpp

Див. документацію.

// SPDX-License-Identifier: Proprietary
// Copyright © 2025 Oleksandr Dreval. All rights reserved.
 
#ifndef SEARCH_UTILITY_HPP
#define SEARCH_UTILITY_HPP
 
#include <algorithm>
#include <functional>
#include <iterator>
#include <memory>
#include <span>
#include <vector>
 
template<typename T>
class SearchUtility {
private:
    std::vector<T*> m_results;  
 
public:
    static std::vector<T*> find(
        const std::vector<std::unique_ptr<T>>& entities,
        std::function<bool(const T*)> predicate) {
        std::vector<T*> results;
        std::ranges::transform(
            entities, std::back_inserter(results), [&](const auto& item) { return item.get(); });
        std::erase_if(results, [&predicate](auto* item) { return ! predicate(item); });
        return results;
    }
 
    std::span<T const* const> getResults() const noexcept { return m_results; }
};
 
#endif  // SEARCH_UTILITY_HPP