swift uses copy on write technique with value types like arrays to manage the memory better, this is one technique used where value types are stopped from polluting the memory by creating multiple instances of it. Not all value types in swift perform copy on write operations but they do perform something called as copy on assignment.
Given are the chapters for today's video
0:00 introduction
0:36 reference type behavior
3:09 value type behavior
5:11 copy on assignment
5:50 copy on assignment problem with arrays
7:27 copy on write code example
10:34 interview tips
11:07 conclusion
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