> > Isn't <charconv> already locale independent?
> > In what way after C++17 would stoi not be obsolete?

> Seriously?

> Because std::stoi(function_returning_string()) is much simpler than:

> auto str = function_returning_string();

> int i;

> if (auto [ptr, ec] = std::from_chars(str.data(), str.data()+str.size(), i); ec)

I’m going to double down on this.

Looks simpler, takes longer.

If you insist having it a one liner, just wrap it up in a function, you would still be saving a lot of time.