Not everything needs to be written from scratch, and there's tons of useful code out there ready to be integrated into your project. Cocoapods provides a really easy way to do this and to manage dependencies.
In this episode, you'll add a bit of functionality to the Saved Locations screen. We need a way to save our current location to the list, and we'll accomplish this by adding a plus button on the Saved Locations tableview controller.
Extensions add functionality to base classes, and they're a great way to organize your code for reusability and readability. The first task in building this app will be to build an extension to help create color from time.