It's only legal for types that are sufficiently trivial, so the "called constructor" would be trivial. You'll want to follow the links in the page I sent you, i

It's only legal for types that are sufficiently trivial, so the "called constructor" would be trivial. You'll want to follow the links in the page I sent you, it's explained: https://en.cppreference.com/w/cpp/language/classes.html#Implicit-lifetime_class https://en.cppreference.com/w/cpp/language/classes.html#Impl...