share.hpp

//                  ReactivePlusPlus library
//
//          Copyright Aleksey Loginov 2023 - 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/AlexInLog/ReactivePlusPlus
//
 
#pragma once
 
#include <rpp/operators/fwd.hpp>
 
#include <rpp/operators/multicast.hpp>
#include <rpp/subjects/publish_subject.hpp>
 
namespace rpp::operators::details
{
    template<template<typename> typename Subject>
    struct share_t
    {
        template<rpp::constraint::observable TObservable>
        auto operator()(TObservable&& observable) const
        {
            return template_multicast_t<Subject>{}(std::forward<TObservable>(observable)).ref_count();
        }
    };
} // namespace rpp::operators::details
 
namespace rpp::operators
{
    template<template<typename> typename Subject>
    auto share()
    {
        return details::share_t<Subject>{};
    }
} // namespace rpp::operators