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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2026
//
// 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/telegram/Version.h"
#include "td/utils/common.h"
#include "td/utils/HashTableUtils.h"
#include "td/utils/StringBuilder.h"
#include <type_traits>
namespace td {
class UserId {
int64 id = 0;
public:
static constexpr int64 MAX_USER_ID = (static_cast<int64>(1) << 40) - 1;
UserId() = default;
explicit constexpr UserId(int64 user_id) : id(user_id) {
}
template <class T, typename = std::enable_if_t<std::is_convertible<T, int64>::value>>
UserId(T user_id) = delete;
static vector<UserId> get_user_ids(const vector<int64> &input_user_ids, bool only_valid = false);
static vector<int64> get_input_user_ids(const vector<UserId> &user_ids);
bool is_valid() const {
return 0 < id && id <= MAX_USER_ID;
}
int64 get() const {
return id;
}
bool operator==(const UserId &other) const {
return id == other.id;
}
bool operator!=(const UserId &other) const {
return id != other.id;
}
template <class StorerT>
void store(StorerT &storer) const {
storer.store_long(id);
}
template <class ParserT>
void parse(ParserT &parser) {
if (parser.version() >= static_cast<int32>(Version::Support64BitIds)) {
id = parser.fetch_long();
} else {
id = parser.fetch_int();
}
}
};
struct UserIdHash {
uint32 operator()(UserId user_id) const {
return Hash<int64>()(user_id.get());
}
};
inline StringBuilder &operator<<(StringBuilder &string_builder, UserId user_id) {
return string_builder << "user " << user_id.get();
}
} // namespace td
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