aria::ListSourceOf Concept Reference

#include <list_source.hpp>

Concept definition

template<typename L, typename T>
concept ListSourceOf = requires(L& l,
                                std::function<void(const ListChange<T>&)> fn,
                                std::size_t i) {
    { l.observe(std::move(fn)) } -> std::same_as<Subscription>;
    { l.size() } -> std::convertible_to<std::size_t>;
    { l.at(i) } -> std::convertible_to<std::shared_ptr<T>>;
    { l.snapshot() } -> std::convertible_to<std::vector<std::shared_ptr<T>>>;
}