Andrew Bancroft • 5/8/2015

Strong, Weak, and Unowned – Sorting out ARC and Swift

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This article provides a detailed explanation of strong, weak, and unowned references in Swift's Automatic Reference Counting (ARC) system. It clarifies how ARC manages memory for class instances, distinguishes between reference and value types, and offers practical guidelines for choosing the appropriate reference type to avoid retain cycles. The author summarizes key conclusions upfront, making it useful for Swift developers seeking to understand memory management nuances.

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#memory management #Swift #Weak References
Strong, Weak, and Unowned – Sorting out ARC and Swift

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