Function easyfix_messages_gen::generate_fix_messages

pub fn generate_fix_messages(
    fixt_xml_path: impl AsRef<Path>,
    fix_xml_path: impl AsRef<Path>,
    fields_file: impl AsRef<Path>,
    groups_file: impl AsRef<Path>,
    messages_file: impl AsRef<Path>
) -> Result<(), Box<dyn Error + 'static>>