pub fn unescape_byte_literal<F>(
    literal_text: &str,
    mode: Mode,
    callback: &mut F
) where
    F: FnMut(Range<usize>, Result<u8, EscapeError>), 
Expand description

Takes a contents of a byte, byte string or raw byte string (without quotes) and produces a sequence of bytes or errors. Values are returned through invoking of the provided callback.