FTXUI/include/ftxui/dom/take_any_args.hpp

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#ifndef FTXUI_DOM_TAKE_ANY_ARGS_HPP
#define FTXUI_DOM_TAKE_ANY_ARGS_HPP
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// IWYU pragma: private, include "ftxui/dom/elements.hpp"
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#include <type_traits>
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namespace ftxui {
template <class T>
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void Merge(Elements& /*container*/, T /*element*/) {}
template <>
inline void Merge(Elements& container, Element element) {
container.push_back(std::move(element));
}
template <>
inline void Merge(Elements& container, Elements elements) {
for (auto& element : elements)
container.push_back(std::move(element));
}
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// Turn a set of arguments into a vector.
template <class... Args>
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Elements unpack(Args... args) {
std::vector<Element> vec;
(Merge(vec, std::move(args)), ...);
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return vec;
}
// Make |container| able to take any number of argments.
#define TAKE_ANY_ARGS(container) \
template <class... Args> \
Element container(Args... children) { \
return container(unpack(std::forward<Args>(children)...)); \
}
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TAKE_ANY_ARGS(vbox)
TAKE_ANY_ARGS(hbox)
TAKE_ANY_ARGS(dbox)
TAKE_ANY_ARGS(hflow)
} // namespace ftxui
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#endif // FTXUI_DOM_TAKE_ANY_ARGS_HPP
// Copyright 2020 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.