Dave DeLong • 12/3/2022

Adventures in Advent of Code

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The author shares a detailed experience from Advent of Code, where a seemingly simple puzzle about finding common elements led to a 45-minute debugging session. This uncovered an unexpected bug in Swift's Set.intersection method, prompting the creation of a custom Collection extension to reliably find common elements across multiple groups.

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#debugging #Swift #Advent Of Code
Adventures in Advent of Code

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