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Deep Copy in C++: How to Avoid Shallow Copy Pitfalls
Tutorial April 11, 2025
- What shallow vs deep copy means
- The problems caused by shallow copy
- How to implement deep copy correctly
- A practical class example with dynamic memory
- When to use
Rule of ThreevsRule of Five
A shallow copy copies the values of member variables as-is. If your class has a pointer member, both the original and copy point to the same memory.