Using tuples to work with parameter packs

In this recipe, we will learn how to work with variadic parameter lists using std::tuple. This is important because a variadic parameter list is meant to be used in wrapper functions where the wrapper doesn't know anything about the arguments being passed to it but instead will forward these arguments to something that does. There are, however, use cases where you will care about the arguments being passed, and you must have a way of working with these arguments. This recipe will demonstrate how to do that including how to deal with any number of arguments.

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