R Advanced Quiz 2

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Quiz 2
1. Which function checks for method dispatching in S3?
2. What does `lazyeval` handle in modern R?
3. How to capture an expression without evaluating it?
4. Which package provides 'Futures' for parallel programming?
5. What is `do.call()` primarily used for?
6. Which function is used to create a reference class?
7. What is the scope of a variable created in the parent environment?
8. Which function implements a closure?
9. How to check if an object is a list?
10. What does the `match.call()` function do?
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