I often visit Stack Overflow. But, I’ve noticed people over there can be a little geeky, and many answers are terse and hard to understand based on my experience. So, here I’m, Bob the Developer, trying to save lives of many, and most importantly, prevent your hair from falling due to stress and disorder. Let’s go. 👶
Completion Handlers took me months to master. It is not an easy concept if you are not good with closures. To enjoy the ride with me, you need to know trailing closures, the meaning of $0 and that you may pass or return a closure.
...You may read the full tutorial here
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