rpp::constraint::observer_strategy_base Concept Reference

Concept definition

template<typename S>
concept rpp::constraint::observer_strategy_base =  requires(const S& const_strategy, S& strategy, const rpp::disposable_wrapper& disposable) {
        
        
        const_strategy.on_error(std::exception_ptr{});
        const_strategy.on_completed();
 
        strategy.set_upstream(disposable);
        {
            strategy.is_disposed()
        } -> std::same_as<bool>;
    }