Function print_code_line

fn print_code_line(
    f: &mut impl Write,
    line_num: usize,
    line_text: &str,
    connector: &str,
    start: usize,
    end: usize,
    multiline: bool,
    first_line: Option<usize>,
    last_line: Option<usize>,
    label: &Label,
) -> Result

Print a single line of code with connector and optional highlight