pub(crate) fn print(
lhs_src: &str,
rhs_src: &str,
display_options: &DisplayOptions,
lhs_positions: &[MatchedPos],
rhs_positions: &[MatchedPos],
hunks: &[Hunk],
display_path: &str,
extra_info: &Option<String>,
file_format: &FileFormat
)