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somewhat of a rust noob: but as I recall there is a difference between string and array of chars.

string use utf-8, which is 1 byte for the most common characters.

char is unicode

They are both unicode. A `String` is unicode encoded as `UTF-8` whereas a `char` is simply a single, un-encoded, code point.

An array of `char` would technically be UTF-32. Which isn't particularly useful, imho.

ok, thnx for clarifying.

A char is a scalar value, rather: https://doc.rust-lang.org/std/primitive.char.html

You're right, of course. Unicode terminology always trips me up. I have to remember that a scalar value is almost the same as a code point except that it excludes surrogates.

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