Fixed some unused-but-set-variable warnings.

Telegram/SourceFiles/api/api_messages_search.cpp

@@ -28,8 +28,8 @@ constexpr auto kSearchPerPage = 50;
 	auto result = MessageIdsList();
 	for (const auto &message : messages) {
 		const auto peerId = PeerFromMessage(message);
-		if (const auto peer = data->peerLoaded(peerId)) {
-			if (const auto lastDate = DateFromMessage(message)) {
+		if (data->peerLoaded(peerId)) {
+			if (DateFromMessage(message)) {
 				const auto item = data->addNewMessage(
 					message,
 					MessageFlags(),

Telegram/SourceFiles/api/api_statistics.cpp

@@ -313,7 +313,7 @@ void PublicForwards::request(
 				const auto msgId = IdFromMessage(message);
 				const auto peerId = PeerFromMessage(message);
 				const auto lastDate = DateFromMessage(message);
-				if (const auto peer = owner.peerLoaded(peerId)) {
+				if (owner.peerLoaded(peerId)) {
 					if (!lastDate) {
 						return;
 					}

Telegram/SourceFiles/boxes/peers/add_participants_box.cpp

@@ -808,7 +808,7 @@ void AddParticipantsBoxController::rowClicked(not_null<PeerListRow*> row) {
 		updateTitle();
 	} else if (const auto channel = _peer ? _peer->asChannel() : nullptr) {
 		if (!_peer->isMegagroup()) {
-			showBox(Box<MaxInviteBox>(_peer->asChannel()));
+			showBox(Box<MaxInviteBox>(channel));
 		}
 	} else if (count >= serverConfig.chatSizeMax
 		&& count < serverConfig.megagroupSizeMax) {

Telegram/SourceFiles/boxes/peers/choose_peer_box.cpp

@@ -453,7 +453,7 @@ void ChoosePeerBoxController::rowClicked(not_null<PeerListRow*> row) {
 		const auto onstack = callback;
 		onstack({ peer });
 	};
-	if (const auto user = peer->asUser()) {
+	if (peer->isUser()) {
 		done();
 	} else {
 		delegate()->peerListUiShow()->showBox(

Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp

@@ -689,7 +689,7 @@ UserData *ParticipantsAdditionalData::applyAdmin(
 	const auto user = _peer->owner().userLoaded(data.userId());
 	if (!user) {
 		return nullptr;
-	} else if (const auto chat = _peer->asChat()) {
+	} else if (_peer->isChat()) {
 		// This can come from saveAdmin callback.
 		_admins.emplace(user);
 		return user;
@@ -733,7 +733,7 @@ UserData *ParticipantsAdditionalData::applyRegular(UserId userId) {
 	const auto user = _peer->owner().userLoaded(userId);
 	if (!user) {
 		return nullptr;
-	} else if (const auto chat = _peer->asChat()) {
+	} else if (_peer->isChat()) {
 		// This can come from saveAdmin or saveRestricted callback.
 		_admins.erase(user);
 		return user;
@@ -913,7 +913,7 @@ void ParticipantsBoxController::setupListChangeViewers() {
 				return;
 			}
 		}
-		if (const auto row = delegate()->peerListFindRow(user->id.value)) {
+		if (delegate()->peerListFindRow(user->id.value)) {
 			delegate()->peerListPartitionRows([&](const PeerListRow &row) {
 				return (row.peer() == user);
 			});

Telegram/SourceFiles/boxes/star_gift_box.cpp

@@ -1793,7 +1793,7 @@ void SendGiftBox(
 				ShowSentToast(window, details.descriptor, details);
 			}
 			if (const auto strong = weak.data()) {
-				box->closeBox();
+				strong->closeBox();
 			}
 		};
 		SendGift(window, peer, api, details, done);

Telegram/SourceFiles/boxes/sticker_set_box.cpp

@@ -1510,7 +1510,7 @@ void StickerSetBox::Inner::fillDeleteStickerBox(
 	sticker->paintRequest(
 	) | rpl::start_with_next([=] {
 		auto p = Painter(sticker);
-		if (const auto strong = weak.data()) {
+		if ([[maybe_unused]] const auto strong = weak.data()) {
 			const auto paused = On(PowerSaving::kStickersPanel)
 				|| show->paused(ChatHelpers::PauseReason::Layer);
 			paintSticker(p, index, QPoint(), paused, crl::now());
@@ -1564,7 +1564,7 @@ void StickerSetBox::Inner::fillDeleteStickerBox(
 					Data::StickersType::Stickers);
 			}, [](const auto &) {
 			});
-			if (const auto strong = weak.data()) {
+			if ([[maybe_unused]] const auto strong = weak.data()) {
 				applySet(result);
 			}
 			if (const auto strongBox = weakBox.data()) {

Telegram/SourceFiles/boxes/url_auth_box.cpp

@@ -144,7 +144,7 @@ void UrlAuthBox::Request(
 	const auto callback = [=](Result result) {
 		if (result == Result::None) {
 			finishWithUrl(url);
-		} else if (const auto msg = session->data().message(itemId)) {
+		} else if (session->data().message(itemId)) {
 			const auto allowWrite = (result == Result::AuthAndAllowWrite);
 			using Flag = MTPmessages_AcceptUrlAuth::Flag;
 			const auto flags = (allowWrite ? Flag::f_write_allowed : Flag(0))

Telegram/SourceFiles/calls/calls_box_controller.cpp

@@ -611,7 +611,7 @@ void BoxController::receivedCalls(const QVector<MTPMessage> &result) {
 	for (const auto &message : result) {
 		const auto msgId = IdFromMessage(message);
 		const auto peerId = PeerFromMessage(message);
-		if (const auto peer = session().data().peerLoaded(peerId)) {
+		if (session().data().peerLoaded(peerId)) {
 			const auto item = session().data().addNewMessage(
 				message,
 				MessageFlags(),

Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp

@@ -2104,7 +2104,7 @@ void EmojiListWidget::colorChosen(EmojiChosen data) {
 
 	const auto emoji = data.emoji;
 	auto &settings = Core::App().settings();
-	if (const auto button = std::get_if<OverButton>(&_pickerSelected)) {
+	if (v::is<OverButton>(_pickerSelected)) {
 		settings.saveAllEmojiVariants(emoji);
 		for (auto section = int(Section::People)
 			; section < _staticCount
@@ -2425,7 +2425,7 @@ Ui::Text::CustomEmoji *EmojiListWidget::resolveCustomRecent(
 	const auto &data = customId.data;
 	if (const auto document = std::get_if<RecentEmojiDocument>(&data)) {
 		return resolveCustomRecent(document->id);
-	} else if (const auto emoji = std::get_if<EmojiPtr>(&data)) {
+	} else if (v::is<EmojiPtr>(data)) {
 		return nullptr;
 	}
 	Unexpected("Custom recent emoji id.");

Telegram/SourceFiles/chat_helpers/message_field.cpp

@@ -765,7 +765,7 @@ InlineBotQuery ParseInlineBotQuery(
 				result.username = username.toString();
 				if (const auto peer = session->data().peerByUsername(result.username)) {
 					if (const auto user = peer->asUser()) {
-						result.bot = peer->asUser();
+						result.bot = user;
 					} else {
 						result.bot = nullptr;
 					}

Telegram/SourceFiles/data/components/location_pickers.cpp

@@ -25,7 +25,7 @@ Ui::LocationPicker *LocationPickers::lookup(const Api::SendAction &action) {
 	for (auto i = begin(_pickers); i != end(_pickers);) {
 		if (const auto strong = i->picker.get()) {
 			if (i->action == action) {
-				return i->picker.get();
+				return strong;
 			}
 			++i;
 		} else {
@@ -41,4 +41,4 @@ void LocationPickers::emplace(
 	_pickers.push_back({ action, picker });
 }
 
-} // namespace Data
+} // namespace Data

Telegram/SourceFiles/data/data_channel.cpp

@@ -956,7 +956,7 @@ QString ChannelData::invitePeekHash() const {
 }
 
 void ChannelData::privateErrorReceived() {
-	if (const auto expires = invitePeekExpires()) {
+	if (invitePeekExpires()) {
 		const auto hash = invitePeekHash();
 		for (const auto &window : session().windows()) {
 			clearInvitePeek();

Telegram/SourceFiles/data/data_chat_filters.cpp

@@ -347,7 +347,7 @@ bool ChatFilter::contains(
 				: user->isContact()
 				? Flag::Contacts
 				: Flag::NonContacts;
-		} else if (const auto chat = peer->asChat()) {
+		} else if (peer->isChat()) {
 			return Flag::Groups;
 		} else if (const auto channel = peer->asChannel()) {
 			if (channel->isBroadcast()) {

Telegram/SourceFiles/data/data_cloud_themes.cpp

@@ -238,7 +238,7 @@ void CloudThemes::showPreview(
 void CloudThemes::showPreview(
 		not_null<Window::Controller*> controller,
 		const CloudTheme &cloud) {
-	if (const auto documentId = cloud.documentId) {
+	if (cloud.documentId) {
 		previewFromDocument(controller, cloud);
 	} else if (cloud.createdBy == _session->userId()) {
 		controller->show(Box(

Telegram/SourceFiles/data/data_media_types.cpp

@@ -1111,7 +1111,7 @@ ItemPreview MediaFile::toPreview(ToPreviewOptions options) const {
 			return toGroupPreview(group->items, options);
 		}
 	}
-	if (const auto sticker = _document->sticker()) {
+	if (_document->sticker()) {
 		return Media::toPreview(options);
 	}
 	auto images = std::vector<ItemPreviewImage>();
@@ -1178,7 +1178,7 @@ ItemPreview MediaFile::toPreview(ToPreviewOptions options) const {
 }
 
 TextWithEntities MediaFile::notificationText() const {
-	if (const auto sticker = _document->sticker()) {
+	if (_document->sticker()) {
 		const auto text = _emoji.isEmpty()
 			? tr::lng_in_dlg_sticker(tr::now)
 			: tr::lng_in_dlg_sticker_emoji(tr::now, lt_emoji, _emoji);
@@ -1210,7 +1210,7 @@ TextWithEntities MediaFile::notificationText() const {
 }
 
 QString MediaFile::pinnedTextSubstring() const {
-	if (const auto sticker = _document->sticker()) {
+	if (_document->sticker()) {
 		if (!_emoji.isEmpty()) {
 			return tr::lng_action_pinned_media_emoji_sticker(
 				tr::now,

Telegram/SourceFiles/data/data_peer.cpp

@@ -703,7 +703,7 @@ bool PeerData::canTransferGifts() const {
 bool PeerData::canEditMessagesIndefinitely() const {
 	if (const auto user = asUser()) {
 		return user->isSelf();
-	} else if (const auto chat = asChat()) {
+	} else if (isChat()) {
 		return false;
 	} else if (const auto channel = asChannel()) {
 		return channel->isMegagroup()
@@ -1410,7 +1410,7 @@ Data::ForumTopic *PeerData::forumTopicFor(MsgId rootId) const {
 }
 
 bool PeerData::allowsForwarding() const {
-	if (const auto user = asUser()) {
+	if (isUser()) {
 		return true;
 	} else if (const auto channel = asChannel()) {
 		return channel->allowsForwarding();

Telegram/SourceFiles/data/data_peer_values.cpp

@@ -599,7 +599,7 @@ rpl::producer<int> UniqueReactionsLimitValue(
 	) | rpl::map([config = &peer->session().appConfig()] {
 		return UniqueReactionsLimit(config);
 	}) | rpl::distinct_until_changed();
-	if (const auto channel = peer->asChannel()) {
+	if (peer->isChannel()) {
 		return rpl::combine(
 			PeerAllowedReactionsValue(peer),
 			std::move(configValue)
@@ -608,7 +608,7 @@ rpl::producer<int> UniqueReactionsLimitValue(
 				? allowedReactions.maxCount
 				: limit;
 		});
-	} else if (const auto chat = peer->asChat()) {
+	} else if (peer->isChat()) {
 		return rpl::combine(
 			PeerAllowedReactionsValue(peer),
 			std::move(configValue)

Telegram/SourceFiles/data/data_photo_media.cpp

@@ -65,13 +65,13 @@ QByteArray PhotoMedia::imageBytes(PhotoSize size) const {
 auto PhotoMedia::resolveLoadedImage(PhotoSize size) const
 -> const PhotoImage * {
 	const auto &original = _images[PhotoSizeIndex(size)];
-	if (const auto image = original.data.get()) {
+	if (original.data) {
 		if (original.goodFor >= size) {
 			return &original;
 		}
 	}
 	const auto &valid = _images[_owner->validSizeIndex(size)];
-	if (const auto image = valid.data.get()) {
+	if (valid.data.get()) {
 		if (valid.goodFor >= size) {
 			return &valid;
 		}

Telegram/SourceFiles/data/data_replies_list.cpp

@@ -366,7 +366,7 @@ bool RepliesList::buildFromData(not_null<Viewer*> viewer) {
 	const auto around = [&] {
 		if (viewer->around != ShowAtUnreadMsgId) {
 			return viewer->around;
-		} else if (const auto item = lookupRoot()) {
+		} else if (lookupRoot()) {
 			return computeInboxReadTillFull();
 		} else if (_owningTopic) {
 			// Somehow we don't want always to jump to computed inboxReadTill

Telegram/SourceFiles/data/data_session.cpp

@@ -2231,7 +2231,7 @@ void Session::applyDialog(
 }
 
 bool Session::pinnedCanPin(not_null<Dialogs::Entry*> entry) const {
-	if (const auto sublist = entry->asSublist()) {
+	if ([[maybe_unused]] const auto sublist = entry->asSublist()) {
 		const auto saved = &savedMessages();
 		return pinnedChatsOrder(saved).size() < pinnedChatsLimit(saved);
 	} else if (const auto topic = entry->asTopic()) {

Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp

@@ -4756,7 +4756,7 @@ bool InnerWidget::chooseRow(
 		}
 		if (!chosen.message.fullId) {
 			if (const auto history = chosen.key.history()) {
-				if (const auto forum = history->peer->forum()) {
+				if (history->peer->forum()) {
 					if (pressedTopicRootId) {
 						chosen.message.fullId = {
 							history->peer->id,

Telegram/SourceFiles/dialogs/dialogs_widget.cpp

@@ -806,7 +806,7 @@ void Widget::setupSwipeBack() {
 			}
 			return Ui::Controls::DefaultSwipeBackHandlerFinishData([=] {
 				_swipeBackData = {};
-				if (const auto forum = controller()->shownForum().current()) {
+				if (controller()->shownForum().current()) {
 					controller()->closeForum();
 				}
 			});

Telegram/SourceFiles/dialogs/ui/dialogs_suggestions.cpp

@@ -952,7 +952,7 @@ void MyChannelsController::prepare() {
 	const auto add = [&](not_null<Dialogs::MainList*> list) {
 		for (const auto &row : list->indexed()->all()) {
 			if (const auto history = row->history()) {
-				if (const auto channel = history->peer->asBroadcast()) {
+				if (history->peer->isBroadcast()) {
 					_channels.push_back(history);
 				}
 			}
@@ -981,7 +981,7 @@ void MyChannelsController::prepare() {
 		const auto list = owner->chatsList(folder);
 		for (const auto &row : list->indexed()->all()) {
 			if (const auto history = row->history()) {
-				if (const auto channel = history->peer->asBroadcast()) {
+				if (history->peer->isBroadcast()) {
 					if (ranges::contains(_channels, not_null(history))) {
 						_channels.push_back(history);
 					}

Telegram/SourceFiles/export/data/export_data_types.cpp

@@ -1724,9 +1724,9 @@ File &Message::file() {
 	} else if (const auto photo = std::get_if<ActionSuggestProfilePhoto>(
 			content)) {
 		return photo->photo.image.file;
-	} else if (const auto wallpaper = std::get_if<ActionSetChatWallPaper>(
-			content)) {
-		// #TODO wallpapers
+	// } else if (const auto wallpaper = std::get_if<ActionSetChatWallPaper>(
+	// 		content)) {
+	// #TODO wallpapers
 	}
 	return media.file();
 }
@@ -1738,9 +1738,9 @@ const File &Message::file() const {
 	} else if (const auto photo = std::get_if<ActionSuggestProfilePhoto>(
 			content)) {
 		return photo->photo.image.file;
-	} else if (const auto wallpaper = std::get_if<ActionSetChatWallPaper>(
-			content)) {
-		// #TODO wallpapers
+	// } else if (const auto wallpaper = std::get_if<ActionSetChatWallPaper>(
+	// 		content)) {
+	// #TODO wallpapers
 	}
 	return media.file();
 }

Telegram/SourceFiles/history/history.cpp

@@ -190,7 +190,7 @@ void History::itemVanished(not_null<HistoryItem*> item) {
 		setUnreadCount(unreadCount() - 1);
 	}
 	if (const auto media = item->media()) {
-		if (const auto gift = media->gift()) {
+		if (media->gift()) {
 			using GiftAction = Data::GiftUpdate::Action;
 			owner().notifyGiftUpdate({
 				.id = Data::SavedStarGiftId::User(item->id),
@@ -1160,7 +1160,7 @@ void History::applyServiceChanges(
 			auto paid = std::optional<Payments::PaidInvoice>();
 			if (const auto message = payment->msg) {
 				if (const auto media = message->media()) {
-					if (const auto invoice = media->invoice()) {
+					if (media->invoice()) {
 						paid = Payments::CheckoutProcess::InvoicePaid(
 							message);
 					}
@@ -2555,7 +2555,7 @@ auto History::computeChatListMessageFromLast() const
 	if (!last || !last->isGroupMigrate()) {
 		return _lastMessage;
 	}
-	if (const auto chat = peer->asChat()) {
+	if (peer->isChat()) {
 		// In chats we try to take the item before the 'last', which
 		// is the empty-displayed migration message.
 		if (!loadedAtBottom()) {
@@ -2633,7 +2633,7 @@ void History::setFakeChatListMessage() {
 			}
 		}
 		return;
-	} else if (const auto chat = peer->asChat()) {
+	} else if (peer->isChat()) {
 		// In chats we try to take the item before the 'last', which
 		// is the empty-displayed migration message.
 		owner().histories().requestFakeChatListMessage(this);
@@ -2876,10 +2876,8 @@ void History::dialogEntryApplied() {
 		addOlderSlice(QVector<MTPMessage>());
 		if (const auto channel = peer->asChannel()) {
 			const auto inviter = channel->inviter;
-			if (inviter && channel->amIn()) {
-				if (const auto from = owner().userLoaded(inviter)) {
-					insertJoinedMessage();
-				}
+			if (inviter && channel->amIn() && owner().userLoaded(inviter)) {
+				insertJoinedMessage();
 			}
 		}
 		return;
@@ -2890,10 +2888,9 @@ void History::dialogEntryApplied() {
 			const auto inviter = channel->inviter;
 			if (inviter
 				&& chatListTimeId() <= channel->inviteDate
-				&& channel->amIn()) {
-				if (const auto from = owner().userLoaded(inviter)) {
-					insertJoinedMessage();
-				}
+				&& channel->amIn()
+				&& owner().userLoaded(inviter)) {
+				insertJoinedMessage();
 			}
 		}
 	}

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -2495,9 +2495,12 @@ void HistoryInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 			const auto itemId = item->fullId();
 			_menu->addAction(tr::lng_context_select_msg(tr::now), [=] {
 				if (const auto item = session->data().message(itemId)) {
-					if (const auto view = viewByItem(item)) {
+					if ([[maybe_unused]] const auto view = viewByItem(item)) {
 						if (asGroup) {
-							changeSelectionAsGroup(&_selected, item, SelectAction::Select);
+							changeSelectionAsGroup(
+								&_selected,
+								item,
+								SelectAction::Select);
 						} else {
 							changeSelection(&_selected, item, SelectAction::Select);
 						}
@@ -4628,7 +4631,7 @@ void HistoryInner::reportAsGroup(FullMsgId itemId) {
 }
 
 void HistoryInner::blockSenderItem(FullMsgId itemId) {
-	if (const auto item = session().data().message(itemId)) {
+	if ([[maybe_unused]] const auto item = session().data().message(itemId)) {
 		_controller->show(Box(
 			Window::BlockSenderFromRepliesBox,
 			_controller,

Telegram/SourceFiles/history/history_item.cpp

@@ -2263,7 +2263,7 @@ void HistoryItem::setRealId(MsgId newId) {
 	_history->owner().groups().refreshMessage(this);
 	_history->owner().requestItemResize(this);
 
-	if (const auto reply = Get<HistoryMessageReply>()) {
+	if (Has<HistoryMessageReply>()) {
 		incrementReplyToTopCounter();
 	}
 
@@ -2440,7 +2440,7 @@ bool HistoryItem::canDeleteForEveryone(TimeId now) const {
 bool HistoryItem::suggestReport() const {
 	if (out() || isService() || !isRegular()) {
 		return false;
-	} else if (const auto channel = _history->peer->asChannel()) {
+	} else if (_history->peer->isChannel()) {
 		return true;
 	} else if (const auto user = _history->peer->asUser()) {
 		return user->isBot();
@@ -3731,7 +3731,7 @@ void HistoryItem::createComponents(CreateConfig &&config) {
 	if (const auto via = Get<HistoryMessageVia>()) {
 		via->create(&_history->owner(), config.viaBotId);
 	}
-	if (const auto views = Get<HistoryMessageViews>()) {
+	if (Has<HistoryMessageViews>()) {
 		changeViewsCount(config.viewsCount);
 		if (config.replies.isNull
 			&& isSending()

Telegram/SourceFiles/history/history_item_helpers.cpp

@@ -1208,7 +1208,7 @@ void ClearMediaAsExpired(not_null<HistoryItem*> item) {
 				? tr::lng_ttl_round_expired
 				: tr::lng_message_empty)(tr::now, Ui::Text::WithEntities);
 			item->updateServiceText(PreparedServiceText{ std::move(text) });
-		} else if (const auto photo = media->photo()) {
+		} else if (media->photo()) {
 			item->applyEditionToHistoryCleared();
 			item->updateServiceText(PreparedServiceText{
 				tr::lng_ttl_photo_expired(tr::now, Ui::Text::WithEntities)

Telegram/SourceFiles/history/history_widget.cpp

@@ -7416,7 +7416,7 @@ bool HistoryWidget::showSlowmodeError() {
 				Ui::FormatDurationWordsSlowmode(left));
 		} else if (_peer->slowmodeApplied()) {
 			if (const auto item = _history->latestSendingMessage()) {
-				if (const auto view = item->mainView()) {
+				if (item->mainView()) {
 					animatedScrollToItem(item->id);
 					enqueueMessageHighlight({ item });
 				}

Telegram/SourceFiles/history/view/controls/history_view_forward_panel.cpp

@@ -102,7 +102,7 @@ void ForwardPanel::checkTexts() {
 		for (const auto item : _data.items) {
 			if (const auto from = item->originalSender()) {
 				version += from->nameVersion();
-			} else if (const auto info = item->originalHiddenSenderInfo()) {
+			} else if (item->originalHiddenSenderInfo()) {
 				++version;
 			} else {
 				Unexpected("Corrupt forwarded information in message.");

Telegram/SourceFiles/history/view/history_view_bottom_info.cpp

@@ -198,7 +198,7 @@ ClickHandlerPtr BottomInfo::replayEffectLink(
 	const auto weak = base::make_weak(view);
 	return std::make_shared<LambdaClickHandler>([=](ClickContext context) {
 		const auto my = context.other.value<ClickHandlerContext>();
-		if (const auto controller = my.sessionWindow.get()) {
+		if ([[maybe_unused]] const auto controller = my.sessionWindow.get()) {
 			if (const auto strong = weak.get()) {
 				strong->delegate()->elementStartEffect(strong, nullptr);
 			}

Telegram/SourceFiles/history/view/history_view_context_menu.cpp

@@ -1440,11 +1440,11 @@ void AddSaveSoundForNotifications(
 		return;
 	} else if (int(ringtones.list().size()) >= ringtones.maxSavedCount()) {
 		return;
-	} else if (const auto song = document->song()) {
+	} else if (document->song()) {
 		if (document->duration() > ringtones.maxDuration()) {
 			return;
 		}
-	} else if (const auto voice = document->voice()) {
+	} else if (document->voice()) {
 		if (document->duration() > ringtones.maxDuration()) {
 			return;
 		}

Telegram/SourceFiles/history/view/history_view_list_widget.cpp

@@ -1489,7 +1489,7 @@ void ListWidget::cancelSelection() {
 void ListWidget::selectItem(not_null<HistoryItem*> item) {
 	if (hasSelectRestriction()) {
 		return;
-	} else if (const auto view = viewForItem(item)) {
+	} else if ([[maybe_unused]] const auto view = viewForItem(item)) {
 		clearTextSelection();
 		changeSelection(
 			_selected,
@@ -1502,7 +1502,7 @@ void ListWidget::selectItem(not_null<HistoryItem*> item) {
 void ListWidget::selectItemAsGroup(not_null<HistoryItem*> item) {
 	if (hasSelectRestriction()) {
 		return;
-	} else if (const auto view = viewForItem(item)) {
+	} else if ([[maybe_unused]] const auto view = viewForItem(item)) {
 		clearTextSelection();
 		changeSelectionAsGroup(
 			_selected,

Telegram/SourceFiles/history/view/history_view_message.cpp

@@ -2477,7 +2477,7 @@ bool Message::hasFromPhoto() const {
 			return true;
 		} else if (item->history()->peer->isVerifyCodes()) {
 			return !hasOutLayout();
-		} else if (const auto forwarded = item->Get<HistoryMessageForwarded>()) {
+		} else if (item->Has<HistoryMessageForwarded>()) {
 			const auto peer = item->history()->peer;
 			if (peer->isSelf() || peer->isRepliesChat()) {
 				return !hasOutLayout();
@@ -3136,7 +3136,7 @@ void Message::updatePressed(QPoint point) {
 			if (const auto reply = Get<Reply>()) {
 				trect.setTop(trect.top() + reply->height());
 			}
-			if (const auto via = item->Get<HistoryMessageVia>()) {
+			if (item->Has<HistoryMessageVia>()) {
 				if (!displayFromName() && !displayForwardedFrom()) {
 					trect.setTop(trect.top() + st::msgNameFont->height);
 				}
@@ -4447,7 +4447,7 @@ Ui::BubbleRounding Message::countMessageRounding() const {
 
 Ui::BubbleRounding Message::countBubbleRounding(
 		Ui::BubbleRounding messageRounding) const {
-	if (const auto keyboard = data()->inlineReplyKeyboard()) {
+	if ([[maybe_unused]] const auto _ = data()->inlineReplyKeyboard()) {
 		messageRounding.bottomLeft
 			= messageRounding.bottomRight
 			= Ui::BubbleCornerRounding::Small;

Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp

@@ -738,7 +738,7 @@ void TopBarWidget::infoClicked() {
 		return;
 	} else if (const auto topic = key.topic()) {
 		_controller->showSection(std::make_shared<Info::Memento>(topic));
-	} else if (const auto sublist = key.sublist()) {
+	} else if ([[maybe_unused]] const auto sublist = key.sublist()) {
 		_controller->showSection(std::make_shared<Info::Memento>(
 			_controller->session().user(),
 			Info::Section(Storage::SharedMediaType::Photo)));

Telegram/SourceFiles/history/view/media/history_view_document.cpp

@@ -271,10 +271,10 @@ void PaintWaveform(
 	};
 	add(FormatDownloadText(document->size, document->size));
 	const auto duration = document->duration() / 1000;
-	if (const auto song = document->song()) {
+	if (document->song()) {
 		add(FormatPlayedText(duration, duration));
 		add(FormatDurationAndSizeText(duration, document->size));
-	} else if (const auto voice = document->voice() ? document->voice() : document->round()) {
+	} else if (document->voice() ? document->voice() : document->round()) {
 		add(FormatPlayedText(duration, duration));
 		add(FormatDurationAndSizeText(duration, document->size));
 	} else if (document->isVideoFile()) {

Telegram/SourceFiles/history/view/media/history_view_media_generic.cpp

@@ -448,7 +448,7 @@ void StickerInBubblePart::ensureCreated(Element *replacing) const {
 		return;
 	} else if (const auto data = _lookup()) {
 		const auto sticker = data.sticker;
-		if (const auto info = sticker->sticker()) {
+		if (sticker->sticker()) {
 			const auto skipPremiumEffect = true;
 			_link = data.link;
 			_skipTop = data.skipTop;

Telegram/SourceFiles/history/view/media/history_view_premium_gift.cpp

@@ -411,7 +411,7 @@ void PremiumGift::ensureStickerCreated() const {
 	const auto count = credits();
 	const auto months = count ? packs.monthsForStars(count) : _data.count;
 	if (const auto document = packs.lookup(months)) {
-		if (const auto sticker = document->sticker()) {
+		if (document->sticker()) {
 			const auto skipPremiumEffect = false;
 			_sticker.emplace(_parent, document, skipPremiumEffect, _parent);
 			_sticker->setPlayingOnce(true);

Telegram/SourceFiles/info/bot/starref/info_bot_starref_setup_widget.cpp

@@ -751,7 +751,7 @@ void InnerWidget::setupEnd() {
 				*sent = false;
 				if (!success) {
 					return;
-				} else if (const auto strong = weak.data()) {
+				} else if ([[maybe_unused]] const auto strong = weak.data()) {
 					_controller->showBackFromStack();
 					window->showToast({
 						.title = tr::lng_star_ref_ended_title(tr::now),

Telegram/SourceFiles/info/profile/info_profile_actions.cpp

@@ -861,7 +861,7 @@ rpl::producer<uint64> AddCurrencyAction(
 		) | rpl::start_with_error_done([=](const QString &error) {
 			currencyLoadLifetime->destroy();
 		}, [=] {
-			if (const auto strong = weak.data()) {
+			if ([[maybe_unused]] const auto strong = weak.data()) {
 				state->balance = currencyLoad->data().currentBalance;
 				currencyLoadLifetime->destroy();
 			}

Telegram/SourceFiles/info/profile/info_profile_widget.cpp

@@ -100,7 +100,7 @@ void Widget::setInnerFocus() {
 }
 
 rpl::producer<QString> Widget::title() {
-	if (const auto topic = controller()->key().topic()) {
+	if (controller()->key().topic()) {
 		return tr::lng_info_topic_title();
 	}
 	const auto peer = controller()->key().peer();

Telegram/SourceFiles/inline_bots/inline_bot_layout_internal.cpp

@@ -1582,11 +1582,11 @@ TextState Game::getState(
 }
 
 void Game::prepareThumbnail(QSize size) const {
-	if (const auto document = getResultDocument()) {
+	if ([[maybe_unused]] const auto document = getResultDocument()) {
 		Assert(_documentMedia != nullptr);
 		validateThumbnail(_documentMedia->thumbnail(), size, true);
 		validateThumbnail(_documentMedia->thumbnailInline(), size, false);
-	} else if (const auto photo = getResultPhoto()) {
+	} else if ([[maybe_unused]] const auto photo = getResultPhoto()) {
 		using Data::PhotoSize;
 		Assert(_photoMedia != nullptr);
 		validateThumbnail(_photoMedia->image(PhotoSize::Thumbnail), size, true);

Telegram/SourceFiles/mainwidget.cpp

@@ -1166,7 +1166,7 @@ float64 MainWidget::chatBackgroundProgress() const {
 	if (_background) {
 		if (_background->generating) {
 			return 1.;
-		} else if (const auto document = _background->data.document()) {
+		} else if (_background->data.document()) {
 			return _background->dataMedia->progress();
 		}
 	}
@@ -2602,7 +2602,7 @@ auto MainWidget::thirdSectionForCurrentMainSection(
 		return std::make_shared<Info::Memento>(
 			peer,
 			Info::Memento::DefaultSection(peer));
-	} else if (const auto sublist = key.sublist()) {
+	} else if (key.sublist()) {
 		return std::make_shared<Info::Memento>(
 			session().user(),
 			Info::Memento::DefaultSection(session().user()));

Telegram/SourceFiles/media/player/media_player_widget.cpp

@@ -642,7 +642,7 @@ void Widget::updateTimeText(const TrackState &state) {
 		display = state.position;
 	} else if (state.length) {
 		display = state.length;
-	} else if (const auto song = document->song()) {
+	} else if (document->song()) {
 		display = (document->duration() * frequency) / 1000;
 	}
 

Telegram/SourceFiles/media/stories/media_stories_reply.cpp

@@ -905,8 +905,7 @@ bool ReplyArea::showSlowmodeError() {
 				lt_left,
 				Ui::FormatDurationWordsSlowmode(left));
 		} else if (peer->slowmodeApplied()) {
-			const auto history = peer->owner().history(peer);
-			if (const auto item = history->latestSendingMessage()) {
+			if (peer->owner().history(peer)->latestSendingMessage()) {
 				return tr::lng_slowmode_no_many(tr::now);
 			}
 		}

Telegram/SourceFiles/overview/overview_layout.cpp

@@ -1017,7 +1017,7 @@ const style::RoundCheckbox &Voice::checkboxStyle() const {
 }
 
 void Voice::updateName() {
-	if (const auto forwarded = parent()->Get<HistoryMessageForwarded>()) {
+	if (parent()->Has<HistoryMessageForwarded>()) {
 		const auto info = parent()->originalHiddenSenderInfo();
 		const auto name = info
 			? tr::lng_forwarded(tr::now, lt_user, info->nameText().toString())

Telegram/SourceFiles/settings/settings_credits_graphics.cpp

@@ -1895,7 +1895,7 @@ void GenericCreditsEntryBox(
 				ProcessReceivedSubscriptions(weak, session);
 			};
 			const auto fail = [=, show = box->uiShow()](const QString &e) {
-				if (const auto strong = weak.data()) {
+				if ([[maybe_unused]] const auto strong = weak.data()) {
 					state->confirmButtonBusy = false;
 				}
 				show->showToast(e);

Telegram/SourceFiles/settings/settings_folders.cpp

@@ -911,7 +911,7 @@ void SetupTagContent(
 
 	const auto send = [=, weak = Ui::MakeWeak(tagsButton)](bool checked) {
 		session->data().chatsFilters().requestToggleTags(checked, [=] {
-			if (const auto strong = weak.data()) {
+			if ([[maybe_unused]] const auto strong = weak.data()) {
 				state->tagsTurnOff.fire(!checked);
 			}
 		});

Telegram/SourceFiles/storage/file_download_web.cpp

@@ -418,7 +418,7 @@ void WebLoadManager::failed(
 }
 
 void WebLoadManager::failed(int id, not_null<QNetworkReply*> reply) {
-	if (const auto sent = findSent(id, reply)) {
+	if ([[maybe_unused]] const auto sent = findSent(id, reply)) {
 		removeSent(id);
 		queueFailedUpdate(id);
 	}

Telegram/SourceFiles/storage/storage_media_prepare.cpp

@@ -319,7 +319,7 @@ void PrepareDetails(PreparedFile &file, int previewWidth, int sideLimit) {
 			file.preview.setDevicePixelRatio(style::DevicePixelRatio());
 			file.type = PreparedFile::Type::Video;
 		}
-	} else if (const auto song = std::get_if<Song>(&file.information->media)) {
+	} else if (v::is<Song>(file.information->media)) {
 		file.type = PreparedFile::Type::Music;
 	}
 }

Telegram/SourceFiles/ui/chat/group_call_userpics.cpp

@@ -241,7 +241,7 @@ void GroupCallUserpics::sendRandomLevels() {
 	for (auto &userpic : _list) {
 		if (const auto blobs = userpic.blobsAnimation.get()) {
 			const auto value = 30 + base::RandomIndex(70);
-			userpic.blobsAnimation->blobs.setLevel(float64(value) / 100.);
+			blobs->blobs.setLevel(float64(value) / 100.);
 		}
 	}
 }

Telegram/SourceFiles/ui/effects/reaction_fly_animation.cpp

@@ -385,10 +385,10 @@ int ReactionFlyAnimation::computeParabolicTop(
 
 void ReactionFlyAnimation::startAnimations() {
 	if (const auto center = _center.get()) {
-		_center->animate(callback());
+		center->animate(callback());
 	}
 	if (const auto effect = _effect.get()) {
-		_effect->animate(callback());
+		effect->animate(callback());
 	} else if (_scaleOutDuration > 0) {
 		_noEffectScaleStarted = true;
 		_noEffectScaleAnimation.start(callback(), 1, 0, _scaleOutDuration);

Telegram/SourceFiles/ui/widgets/chat_filters_tabs_slider.cpp

@@ -378,7 +378,7 @@ void ChatsFiltersTabs::setHorizontalShift(int index, int shift) {
 	Expects(index >= 0 && index < _sections.size());
 
 	auto &section = _sections[index];
-	if (const auto delta = shift - section.horizontalShift) {
+	if (shift - section.horizontalShift) {
 		section.horizontalShift = shift;
 		update();
 	}

Telegram/SourceFiles/window/window_peer_menu.cpp

@@ -585,7 +585,7 @@ void Filler::addStoryArchive() {
 	const auto controller = _controller;
 	const auto weak = base::make_weak(_thread);
 	_addAction(tr::lng_stories_archive_button(tr::now), [=] {
-		if (const auto strong = weak.get()) {
+		if ([[maybe_unused]] const auto strong = weak.get()) {
 			controller->showSection(Info::Stories::Make(
 				channel,
 				Info::Stories::Tab::Archive));
@@ -1096,7 +1096,7 @@ void Filler::addViewStatistics() {
 			= (channel->flags() & Flag::CanViewCreditsRevenue);
 		if (canGetStats) {
 			_addAction(tr::lng_stats_title(tr::now), [=] {
-				if (const auto strong = weak.get()) {
+				if ([[maybe_unused]] const auto strong = weak.get()) {
 					using namespace Info;
 					controller->showSection(Statistics::Make(peer, {}, {}));
 				}
@@ -1106,14 +1106,14 @@ void Filler::addViewStatistics() {
 			|| channel->amCreator()
 			|| channel->canPostStories()) {
 			_addAction(tr::lng_boosts_title(tr::now), [=] {
-				if (const auto strong = weak.get()) {
+				if ([[maybe_unused]] const auto strong = weak.get()) {
 					controller->showSection(Info::Boosts::Make(peer));
 				}
 			}, &st::menuIconBoosts);
 		}
 		if (canViewEarn || canViewCreditsEarn) {
 			_addAction(tr::lng_channel_earn_title(tr::now), [=] {
-				if (const auto strong = weak.get()) {
+				if ([[maybe_unused]] const auto strong = weak.get()) {
 					controller->showSection(Info::ChannelEarn::Make(peer));
 				}
 			}, &st::menuIconEarn);