This brief overview will demonstrate some basic features that may come in handy when working with publishers in Combine, Apple's framework to handle asynchronous events by combining event-processing operators. The Publisher protocol declares a type that transmits a sequence of values over time that subscribers can receive as input by adopting the Subscriber protocol.
Using a sequence as values to publish, Combine allows typical operators available in Swift to shape the values that will be published or received. For example, publishers can be used with transformation operators.
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