NB Broken! New lambda approaches Xcode compilation fixed.

Telegram/SourceFiles/boxes/addcontactbox.cpp

@@ -1410,10 +1410,16 @@ void RevokePublicLinkBox::mouseReleaseEvent(QMouseEvent *e) {
 		auto text_method = pressed->isMegagroup() ? lng_channels_too_much_public_revoke_confirm_group : lng_channels_too_much_public_revoke_confirm_channel;
 		auto text = text_method(lt_link, qsl("telegram.me/") + pressed->userName(), lt_group, pressed->name);
 		weakRevokeConfirmBox = new ConfirmBox(text, lang(lng_channels_too_much_public_revoke));
-		weakRevokeConfirmBox->setConfirmedCallback([this, weak_this = weakThis(), pressed]() {
-			if (!weak_this) return;
+		struct Data {
+			Data(QPointer<TWidget> &&weakThis, PeerData *pressed) : weakThis(std_::move(weakThis)), pressed(pressed) {
+			}
+			QPointer<TWidget> weakThis;
+			PeerData *pressed;
+		};
+		weakRevokeConfirmBox->setConfirmedCallback([this, data = std_::make_unique<Data>(weakThis(), pressed)]() {
+			if (!data->weakThis) return;
 			if (_revokeRequestId) return;
-			_revokeRequestId = MTP::send(MTPchannels_UpdateUsername(pressed->asChannel()->inputChannel, MTP_string("")), rpcDone(&RevokePublicLinkBox::revokeLinkDone), rpcFail(&RevokePublicLinkBox::revokeLinkFail));
+			_revokeRequestId = MTP::send(MTPchannels_UpdateUsername(data->pressed->asChannel()->inputChannel, MTP_string("")), rpcDone(&RevokePublicLinkBox::revokeLinkDone), rpcFail(&RevokePublicLinkBox::revokeLinkFail));
 		});
 		Ui::showLayer(weakRevokeConfirmBox, KeepOtherLayers);
 	}

Telegram/SourceFiles/boxes/confirmbox.h

@@ -34,7 +34,7 @@ public:
 	void updateLink();
 
 	// You can use this instead of connecting to "confirmed()" signal.
-	void setConfirmedCallback(base::lambda_wrap<void()> &&callback) {
+	void setConfirmedCallback(base::lambda_unique<void()> &&callback) {
 		_confirmedCallback = std_::move(callback);
 	}
 

Telegram/SourceFiles/core/observer.h

@@ -507,20 +507,20 @@ public:
 			++_eventsCount;
 			callHandlers();
 		} else {
-			if (!_callHandlers) {
-				_callHandlers = [this]() {
+			if (!this->_callHandlers) {
+				this->_callHandlers = [this]() {
 					callHandlers();
 				};
 			}
 			if (!_eventsCount) {
-				RegisterPendingObservable(&_callHandlers);
+				RegisterPendingObservable(&this->_callHandlers);
 			}
 			++_eventsCount;
 		}
 	}
 
 	~ObservableData() {
-		UnregisterObservable(&_callHandlers);
+		UnregisterObservable(&this->_callHandlers);
 	}
 
 private:
@@ -528,12 +528,12 @@ private:
 		_handling = true;
 		auto eventsCount = createAndSwap(_eventsCount);
 		for (int i = 0; i != eventsCount; ++i) {
-			notifyEnumerate([this]() {
-				_current->handler();
+			this->notifyEnumerate([this]() {
+				this->_current->handler();
 			});
 		}
 		_handling = false;
-		UnregisterActiveObservable(&_callHandlers);
+		UnregisterActiveObservable(&this->_callHandlers);
 	}
 
 	int _eventsCount = 0;
@@ -547,8 +547,8 @@ template <typename Handler>
 class Observable<void, Handler> : public internal::CommonObservable<void, Handler> {
 public:
 	void notify(bool sync = false) {
-		if (_data) {
-			_data->notify(sync);
+		if (this->_data) {
+			this->_data->notify(sync);
 		}
 	}
 

Telegram/SourceFiles/settings/settings_cover.cpp

@@ -233,7 +233,7 @@ void CoverWidget::dropEvent(QDropEvent *e) {
 	if (mimeData->hasImage()) {
 		img = qvariant_cast<QImage>(mimeData->imageData());
 	} else {
-		auto &urls = mimeData->urls();
+		auto urls = mimeData->urls();
 		if (urls.size() == 1) {
 			auto &url = urls.at(0);
 			if (url.isLocalFile()) {