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In modern C++, what is the purpose of using ‘Concepts’ in conjunction with templates?

What is a primary disadvantage of using a range-based (i.e. for-each style) for loop to iterate over a collection of data?

What is the primary purpose of using a std::weak_ptr in a memory management strategy?

When is the actual method chosen for execution during the process of dynamic polymorphism?

Which term describes assigning a subclass object to a superclass reference variable?

What is a ‘friend’ function in the context of C++ classes?

If an object survives even after its ‘owner’ is destroyed, the relationship most likely represents:

What is the primary difference between a member operator and a friend operator?

What occurs when the subscript operator ([]) is used to access a key that does not currently exist in a std::map?

What is the key difference between Aggregation and Composition?