tdesktop/Telegram/SourceFiles/rpl/never.h

22 lines
498 B
C
Raw Normal View History

2017-09-12 13:58:14 +00:00
/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
2017-09-12 13:58:14 +00:00
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
2017-09-12 13:58:14 +00:00
*/
#pragma once
#include <rpl/producer.h>
namespace rpl {
template <typename Value = empty_value, typename Error = no_error>
2017-09-27 11:16:05 +00:00
inline auto never() {
return make_producer<Value, Error>([](const auto &consumer) {
2017-09-12 13:58:14 +00:00
return lifetime();
2017-09-27 11:16:05 +00:00
});
2017-09-12 13:58:14 +00:00
}
} // namespace rpl