67 lines
1.5 KiB
C++
67 lines
1.5 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/utils/common.h"
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#include "td/utils/StringBuilder.h"
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#include "td/utils/tl_helpers.h"
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#include <functional>
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#include <type_traits>
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namespace td {
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class BackgroundId {
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int64 id = 0;
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public:
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BackgroundId() = default;
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explicit BackgroundId(int64 background_id) : id(background_id) {
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}
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template <class T, typename = std::enable_if_t<std::is_convertible<T, int64>::value>>
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BackgroundId(T background_id) = delete;
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int64 get() const {
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return id;
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}
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bool operator==(const BackgroundId &other) const {
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return id == other.id;
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}
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bool operator!=(const BackgroundId &other) const {
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return id != other.id;
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}
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bool is_valid() const {
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return id != 0;
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}
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template <class StorerT>
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void store(StorerT &storer) const {
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td::store(id, storer);
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}
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template <class ParserT>
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void parse(ParserT &parser) {
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td::parse(id, parser);
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}
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};
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struct BackgroundIdHash {
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std::size_t operator()(BackgroundId background_id) const {
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return std::hash<int64>()(background_id.get());
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}
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};
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inline StringBuilder &operator<<(StringBuilder &string_builder, BackgroundId background_id) {
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return string_builder << "background " << background_id.get();
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}
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} // namespace td
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