create.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/observables/specific_observable.hpp>
#include <rpp/sources/fwd.hpp>
 
#include <type_traits>
 
IMPLEMENTATION_FILE(create_tag);
 
namespace rpp::observable
{
template<constraint::decayed_type Type, constraint::on_subscribe_fn<Type> OnSubscribeFn>
auto create(OnSubscribeFn&& on_subscribe) requires rpp::details::is_header_included<rpp::details::create_tag, Type, OnSubscribeFn>
{
    using CreatedOnSubscribeFn = std::decay_t<OnSubscribeFn>;
    return specific_observable<Type, CreatedOnSubscribeFn>{std::forward<OnSubscribeFn>(on_subscribe)};
}
 
template<utils::is_callable OnSubscribeFn, constraint::decayed_type Type>
    requires constraint::on_subscribe_fn<OnSubscribeFn, Type>
auto create(OnSubscribeFn&& on_subscribe) requires rpp::details::is_header_included<rpp::details::create_tag, Type, OnSubscribeFn>
{
    return create<Type>(std::forward<OnSubscribeFn>(on_subscribe));
}
} // namespace rpp::observable