empty.hpp

//                  ReactivePlusPlus library
//
//          Copyright Aleksey Loginov 2022 - present.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          https://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/victimsnino/ReactivePlusPlus
//
 
#pragma once
 
#include <rpp/sources/create.hpp>
#include <rpp/sources/fwd.hpp>
#include <rpp/utils/constraints.hpp>
 
IMPLEMENTATION_FILE(empty_tag);
 
namespace rpp::observable
{
template<constraint::decayed_type Type>
auto empty() requires rpp::details::is_header_included<rpp::details::empty_tag, Type>
{
    return create<Type>([](const auto& sub)
    {
        sub.on_completed();
    });
}
} // namespace rpp::observable