Now I am curious to look at Swift's strings. I am a big fan of explicit encodings. I have long believed that an ideal text API would not use string as a concret

Now I am curious to look at Swift's strings. I am a big fan of explicit encodings. I have long believed that an ideal text API would not use string as a concrete data type. Instead, encodings themselves (UTF-8 et al.) should be concrete types and string should be nothing more than an abstraction over them for polymorphism.