Advanced Swift: Sequences, Collections and Algorithms · Array2D | raywenderlich.com

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This is a companion discussion topic for the original entry at https://www.raywenderlich.com/1940675-advanced-swift-sequences-collections-and-algorithms/lessons/5
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So confusing… Not sure if I will ever implement a custom Collection now. Too bad cause it sounds useful.

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@akirna Please let us know what you don’t understand exactly when you get a chance. Thank you!

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No specific questions. I was just frustrated cause I didn’t understand most of it. I’ll have to rewatch the video and keep researching.