C++ Trivia

1. What does nodiscard do?
2. What does the inline keyword do in C++?
3. How do virtual functions work in C++? Explain how vtable lookup works.
4. Map vs unordered_map in C++, how is each one implemented under the hood. What data structure is used.
5. What does constexpr do in C++? Why is it useful?
6. How do you avoid implicit conversions in C++?
7. What are variadic templates? What do they do?
8. What are concepts? What do they do?
9. What is the rule of 5?
10. What does the spaceship operator do?
11. What are structured bindings?