When should you use unique_ptr vs. shared_ptr?

Mar 14, 2025 ... Which smart pointer would you use for shared ownership? unique_ptr ... This content has been made available for informational purposes only. Oct 26, 2014 ... error C2248: 'std::unique_ptr<_Ty>::unique_ptr' : cannot ... Not a complete answer, just informational: I highly recommend adding ... Apr 11, 2025 ... // read clientBase into the declared unique_ptr above. "clients"; for ... Educational\Informational, Breakthrough, SpearHead, Medal of ... Apr 7, 2025 ... Information within a note callout, such as this text, is for informational ... A buffer can be constructed using a shared_ptr to host data. This ... Pointer lifetime-end zap (informational/historical), Paul E. McKenney ... unique_ptr, Zhihao Yuan, Jordan Saxonberg, 2024-05-20, 2024-05, LEWG Library ... Methods in Buzzer may return a unique_ptr or take a unique_ptr . Now we need to mock Buzzer in our tests. To mock a method that accepts or ... Feb 11, 2019 ... ... informational. So using shared pointers is the easy way out, but you should really use a unique pointer and a raw pointer. However, using unique ... Apr 3, 2021 ... It will typically tell you exactly where in your source code the error first occurs, and you can use this information to figure out what is ... Sep 23, 2024 ... ... unique_ptr>, std::__1::unique_ptr or take a unique_ptr . Now we need to mock Buzzer in our tests. To mock a method that accepts or ...

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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.