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tdlib-fork/td/telegram/files/FileDbId.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// 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 <type_traits>
namespace td {
class FileDbId {
uint64 id = 0;
public:
FileDbId() = default;
explicit FileDbId(uint64 file_db_id) : id(file_db_id) {
}
template <class T1, typename = std::enable_if_t<std::is_convertible<T1, uint64>::value>>
FileDbId(T1 file_db_id) = delete;
bool empty() const {
return id == 0;
}
bool is_valid() const {
return id > 0;
}
uint64 get() const {
return id;
}
bool operator<(const FileDbId &other) const {
return id < other.id;
}
bool operator>(const FileDbId &other) const {
return id > other.id;
}
bool operator==(const FileDbId &other) const {
return id == other.id;
}
bool operator!=(const FileDbId &other) const {
return id != other.id;
}
};
} // namespace td