56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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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 <functional>
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#include <type_traits>
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namespace td {
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class PollId {
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int64 id = 0;
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public:
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PollId() = default;
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explicit PollId(int64 poll_id) : id(poll_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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PollId(T poll_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 PollId &other) const {
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return id == other.id;
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}
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bool operator!=(const PollId &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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};
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struct PollIdHash {
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std::size_t operator()(PollId poll_id) const {
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return std::hash<int64>()(poll_id.get());
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}
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};
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inline StringBuilder &operator<<(StringBuilder &string_builder, PollId poll_id) {
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return string_builder << "poll " << poll_id.get();
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}
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} // namespace td
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