average data race enjoyers be like

datarace.swift

let imageMetaData = CurrentValueSubject<[ImageMetaData], Never>([])

ImageFetchingManager.fetchImageMetaData(page: page)
    .subscribe(on: utilityQueue)
    .sink(receiveCompletion: { [weak self] result in
        guard let self = self else { return }
        // Handle any error in here
        switch result {
            ...
        }
        self.subscriptions.removeAll()
    }, receiveValue: { [weak self] receivedValue in
        guard let self = self else { return }

        if page == 1 {
            // Overwrite when page is 1
            self.imageMetaData.send(receivedValue)
        } else {
            // Append when page is not 1 (more than 1)
            let oldValue = self.imageMetaData.value
            let newValue = oldValue + receivedValue
            self.imageMetaData.send(newValue)
        }
    })
    .store(in: &subscriptions)