::std::initializer_list vs variadic templates

Question

Does passing multiple arguments via ::std::initializer_list offer any advantages over the variadic function template method?

In code:

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Answer 1

You can iterate over an std::initializer_list in a way that you cannot over a parameter pack (unless you have C++17 and you fold it first). So for example you can have for loops with the lists. With parameter packs, you only option to expand them is via recursive specialised definitions.