Returning raw pointers from functions that take ownership
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what is unique_ptr Informational
- Can you use it to manage memory-mapped files? Discuss the use of unique_ptr in implementing transactional operations.
- When might you need a raw pointer to an object managed by a unique_ptr? How does unique_ptr relate to the concept of "Resource Acquisition Is Destruction (RAID)" (a slight variation of RAII)?
- What are the performance considerations of using unique_ptr?
- Does it separate resource management from the object's core logic? Explain the behavior of unique_ptr when used with alignment requirements for the managed object.
- What are the core principles behind smart pointer design? How can unique_ptr be used to implement the Resource Acquisition Is Initialization (RAII) idiom?
- Managing resources other than memory
- Provide specific examples. How does unique_ptr compare to other smart pointer libraries or frameworks that might exist outside the C++ standard library? Explain the internal implementation details of a typical unique_ptr (conceptually).
- Which guarantees do typical unique_ptr operations provide? Discuss the use of unique_ptr in implementing smart pointers for specific types or scenarios.
- How do you check if a unique_ptr is null? How do you access the managed object through a unique_ptr?
- How does unique_ptr ensure that the correct destructor is called? Explain the concept of ownership transfer with unique_ptr.
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