pub const MAX: char = '\u{10ffff}'
The highest valid code point a char can have.
A char is a Unicode Scalar Value, which means that it is a Code Point, but only ones within a certain range. MAX is the highest valid code point that's a valid Unicode Scalar Value.
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Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/char/constant.MAX.html