You’ve already finished two of the main tasks in this book: implementing some data mining algorithms for analyzing clients and their purchases and looking at several ways to save the information about purchases in a durable container. This chapter is the starting point of the last task: creating a domain-specific language (DSL) for expressing offers to be applied in the Time Machine Store. You will provide a set of combinators to create the offers, which are initially basic offers.
Not all ...
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