Exactly. And you additionally need GC or reference counting. If you write a text editor you certainly should think about something like that, but claiming it sh

Exactly. And you additionally need GC or reference counting. If you write a text editor you certainly should think about something like that, but claiming it should be the default string type is a bit off. You should probably only use data structures with a lot of indirection if you really can measure it to be faster in the situation.