Friday Q&A 2015-12-11: Swift Weak References

A very detailed review of how Weak References are implemented in Swift (hint it’s different than ObjC). Although these are implementation details that are not needed for day-to-day development in Swift it’s always important to understand the underlaying implementation. It comes handy when debugging strange/difficult bugs. Recommended.
https://www.mikeash.com/pyblog/friday-qa-2015-12-11-swift-weak-references.html

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