This is Understanding Combine, written by Matt Neuburg. It is a work in progress. Corrections and suggestions are greatly appreciated (you can comment here). So are donations; please consider keeping me going by funding this work at http://www.paypal.me/mattneub. Or buy my books: the current editions are iOS 13 Programming Fundamentals with Swift and Programming iOS 13. Thank you!


Timers

Timers
By timers I mean those operators that play with the timing of the values arriving from upstream.

The timer operator par excellence is .delay, which inserts a pause between the time a value arrives from upstream and the time it passes downstream.


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