> - support a len() method that is called out as returning the length of that vector They should have called that one bytelen() then. And how do you get a pro

> - support a len() method that is called out as returning the length of that vector They should have called that one bytelen() then. And how do you get a proper offset for slicing? Do you then have to interpret the UTF-8 bytes yourself, or can you somehow get it via the chars() iterator or something similar?