helper.hpp
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helper.hpp
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	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2020 Tusooa Zhu <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/


	#pragma once
	#include <libkazv-config.hpp>

	#include <immer/config.hpp> // https://github.com/arximboldi/immer/issues/168

	#include <QString>

	#include <zug/transducer/map.hpp>

	namespace Kazv
	{
	namespace detail
	{
	struct StrToQtT
	{
	template<class T>
	auto operator()(T &&x) {
	return QString::fromStdString(std::forward<T>(x));
	}
	};

	struct ContainerSizeT
	{
	template<class T>
	auto operator()(T &&x) -> int {
	return std::forward<T>(x).size();
	}
	};
	}
	}

	constexpr auto strToQt = zug::map(::Kazv::detail::StrToQtT{});

	constexpr auto strListToQt = zug::map([](auto container) {
	return zug::into(QStringList{}, strToQt, std::move(container));
	});

	constexpr auto containerSize = zug::map(::Kazv::detail::ContainerSizeT{});