It looks relatively simple on the surface:
std::initializer_list is a lightweight wrapper around an array of elements built into the C++ language.
But the deeper you dig, the more you think that something is fishy here...
Universal initialization, auto, constructors, initialization of aggregate types with parentheses()...
We will try to sort out the details of all of that and figure out how to live with it.
Video: https://www.youtube.com/watch?v=tL44rnyLQ9Y (in Russian)
Description on the conference site (in Russian):
https://siberia-2020.cppug.ru/speakers/novikov.html
Slides: