Data Structures & Algorithms in Swift, Episode 12: Challenge: Binary Tree | Kodeco

[catie]

Who doesn't love to serialize and deserialize data? See if you can transform a tree into an array, and back!

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This is a companion discussion topic for the original entry at https://www.kodeco.com/977854-data-structures-algorithms-in-swift/lessons/12

[eder_padilla]

@catie

esn’t love to serialize and deserialize

I dont inderstand why its appending as optional if its wrapped woth an if let