// // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018 // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // #pragma once #include "td/utils/common.h" #include "td/utils/StringBuilder.h" #include #include namespace td { class NotificationGroupId { public: NotificationGroupId() = default; explicit NotificationGroupId(int32 group_id) : id(group_id) { } template ::value>> NotificationGroupId(T group_id) = delete; bool is_valid() const { return id > 0; } int32 get() const { return id; } bool operator==(const NotificationGroupId &other) const { return id == other.id; } private: int32 id{0}; }; struct NotificationGroupIdHash { std::size_t operator()(NotificationGroupId group_id) const { return std::hash()(group_id.get()); } }; inline StringBuilder &operator<<(StringBuilder &sb, const NotificationGroupId group_id) { return sb << "NotificationGroup(" << group_id.get() << ")"; } } // namespace td