The API in Swift allows getting to a UTF-8 Encoding Unit, or a UTF-16 Encoding Unit, or a UTF-32 Codepoint. Treating them as an index into an array of those sub-Character things. (Depending on what the developer is trying to do.)
Swift and Python 3 both seem to have a good handle on Unicode strings.
Alas, I have to work with C++, which has somewhat underwhelming support for Unicode.
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The API in Swift allows getting to a UTF-8 Encoding Unit, or a UTF-16 Encoding Unit, or a UTF-32 Codepoint. Treating them as an index into an array of those sub-Character things. (Depending on what the developer is trying to do.)
Swift and Python 3 both seem to have a good handle on Unicode strings.
Alas, I have to work with C++, which has somewhat underwhelming support for Unicode.