tdlight/td/telegram/StickerSetId.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 <functional>
#include <type_traits>
namespace td {
class StickerSetId {
int64 id = 0;
public:
StickerSetId() = default;
explicit constexpr StickerSetId(int64 sticker_set_id) : id(sticker_set_id) {
}
template <class T, typename = std::enable_if_t<std::is_convertible<T, int64>::value>>
StickerSetId(T sticker_set_id) = delete;
bool is_valid() const {
return id != 0;
}
int64 get() const {
return id;
}
bool operator==(const StickerSetId &other) const {
return id == other.id;
}
bool operator!=(const StickerSetId &other) const {
return id != other.id;
}
};
struct StickerSetIdHash {
std::size_t operator()(StickerSetId sticker_set_id) const {
return std::hash<int64>()(sticker_set_id.get());
}
};
inline StringBuilder &operator<<(StringBuilder &string_builder, StickerSetId sticker_set_id) {
return string_builder << "sticker set " << sticker_set_id.get();
}
} // namespace td