Function regex_automata::util::utf8::decode_last

pub(crate) fn decode_last(bytes: &[u8]) -> Option<Result<char, u8>>

Decodes the last UTF-8 encoded codepoint from the given byte slice.

If no valid encoding of a codepoint exists at the end of the given byte slice, then the last byte is returned instead.

This returns None if and only if bytes is empty.