Without knowing what's included in the core of the language and what comes as constructs on top of it, it is hard to get impressed with these examples. I see t

Without knowing what's included in the core of the language and what comes as constructs on top of it, it is hard to get impressed with these examples. I see them as an equivalent of giving STL-heavy examples when trying to impress someone with C++ - "Look! Sorting an array with one function call - std::sort(head, tail) !"