$opt{report} //= join('',
'${partsum+; $_ .= " of "}',
'${sum+; color(1); $_ .= " total in "}',
'${count#} values',
'${lines#; $_ = $_ != @order && " over $_ lines"}',
sprintf('${count: (%s)}', join ', ',
$opt{report} //= join('',
'${partsum+; $_ .= " of "}',
'${sum+; color(1); $_ .= " total in "}',
'${count#} values',
'${lines#; $_ = $_ != @order && " over $_ lines"}',
sprintf('${count: (%s)}', join ', ',