What are some examples of when a custom deleter might be necessary?
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what is unique_ptr Informational
- Can these tools track the lifetime of objects managed by unique_ptr? Discuss the use of unique_ptr in implementing graphical user interfaces (GUIs).
- How might custom deleters introduce overhead? Can you create an array of unique_ptrs?
- How does the deleter interact with these allocators? How does unique_ptr interact with tools for detecting memory leaks and other memory-related errors (e.g., Valgrind)?
- How do they interact in scenarios involving shared ownership (or lack thereof)? Discuss the use of unique_ptr in implementing state machines.
- What are the benefits of returning unique_ptr from factories? Discuss the use of unique_ptr in the context of Pimpl idiom (Pointer to Implementation).
- How does it help simplify class design? Explain the behavior of unique_ptr when used with custom allocation functions (overloading `new` and `delete`).
- Are there any limitations or considerations in such contexts? How does unique_ptr interact with profiling tools?
- Can you declare a unique_ptr to an incomplete type?
- When might you need to get the raw pointer? What are the potential dangers of using the raw pointer obtained from `get()`?
- How do function objects (functors) work as custom deleters?
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