What is advanced type erasure in C++17?
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What is advanced type erasure in C++17?
Advanced type erasure in C++17 allows you to store and manipulate objects of different types through a common interface, using features like std::any, std::function, and std::variant.
Can you explain how std::any works?
std::any is a type-safe container for single values of any type. You can store any type of value in it and retrieve it later, but you need to know the type to extract it.
What are the benefits of using type erasure?
Type erasure provides flexibility and abstraction, allowing you to write more generic and reusable code without being tied to specific types.
Are there any performance drawbacks?
Yes, type erasure can introduce some overhead due to dynamic memory allocation and type checks, so it's important to use it judiciously.
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