What are the core principles behind smart pointer design? How can unique_ptr be used to implement the Resource Acquisition Is Initialization (RAII) idiom?
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what is unique_ptr Informational
- Mixing raw pointers and unique_ptrs incorrectly How does unique_ptr compare to `std shared_ptr`?
- Highlight common mistakes that can lead to leaks. How does unique_ptr contribute to writing more robust and maintainable C++ code?
- Can you reset a unique_ptr to a different pointer?
- Can these tools provide insights into the performance of unique_ptr usage? Discuss the use of unique_ptr in implementing finite state machines (FSMs).
- How do containers handle the move-only nature of unique_ptr?
- Are there any situations where you cannot use `std make_unique`? How does unique_ptr support move semantics for arrays?
- 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.
- How does it help simplify class design? Explain the behavior of unique_ptr when used with custom allocation functions (overloading `new` and `delete`).
- Can the compiler optimize away overhead associated with unique_ptr? Discuss the use of unique_ptr in implementing plugins or dynamically loaded libraries.
- How does a unique_ptr automatically manage memory?
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