Combine: Debugging Combine Messages
With these short code snippets you will be able add debug messages to your Combine workflow to understand what is happening behind the scenes.
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.
When dealing with Combine pipelines it is often not so straightforward what is happening behind the scenes. To get a better understanding, you can add the .print() operator to the publisher.
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