rpp::constraint::operator_subscribe Concept Reference

Simple operator defining logic how to subscribe passed observer to passed observable. In most cases it means operator have some custom logic over observable too, so, you need to have access to observable, for example, subscribe to observable multiple times. More...

#include <fwd.hpp>

Concept definition

template<typename Op, typename Type>
concept rpp::constraint::operator_subscribe =  requires(const Op& op, rpp::details::observers::fake_observer<typename std::decay_t<Op>::template operator_traits<Type>::result_type>&& observer, const details::observables::chain<details::observables::fake_strategy<Type>>& chain) {
        {
            op.subscribe(std::move(observer), chain)
        };
    }

Detailed Description

Simple operator defining logic how to subscribe passed observer to passed observable. In most cases it means operator have some custom logic over observable too, so, you need to have access to observable, for example, subscribe to observable multiple times.