Function difft::display::style::split_and_apply

pub(crate) fn split_and_apply(
    line: &str,
    max_len: usize,
    tab_width: usize,
    styles: &[(SingleLineSpan, Style)],
    side: Side
) -> Vec<String>

Split line (from the source code) into multiple lines of max_len (i.e. word wrapping), and apply styles to each part according to its original position in line.