Case-study: music playlists
Business problem: A music streaming service wants to provide their users with a better streaming experience. Currently, user playlists are a simple collection of songs dumped into a bucket that provides no means of filtering or ordering the collection. The content management team has heard the complaints of their users and has tasked the engineering team with building a better playlist.
This new playlist tool will have several key requirements. The more basic requirements include the ability to add and remove songs from the list, the ability to differentiate between an empty list and a list with elements, as well the ability to report on the total count of elements in the list. For those customers who are not interested ...
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