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Building a Weather Application From Scratch

Implementing the Day View Model

Everything's in place to populate the day view controller. Open DayViewModel.swift. Press the Option key and select DayViewController.swift to open it in the Assistant Editor on the right. Implementing the DayViewModel struct is surprisingly straightforward. We first need to inspect the DayViewController class and figure out what type of data the view model needs to provide to populate its user interface.

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Next Episode "Writing Unit Tests for the Day View Model"