FTXUI/include/ftxui/util/autoreset.hpp
2020-04-19 21:01:09 +02:00

27 lines
637 B
C++

// 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.
#ifndef FTXUI_UTIL_AUTORESET_HPP
#define FTXUI_UTIL_AUTORESET_HPP
namespace ftxui {
template <typename T>
class AutoReset {
public:
AutoReset(T* variable, T new_value)
: variable_(variable), previous_value_(std::move(*variable)) {
*variable_ = std::move(new_value);
}
~AutoReset() { *variable_ = std::move(previous_value_); }
private:
T* variable_;
T previous_value_;
};
} // namespace ftxui
#endif /* end of include guard: FTXUI_UTIL_AUTORESET_HPP */