Which one do you think makes more sense?

gistfile1.txt

    # First version, uses attributes
    method flag-is(:$left-align, :$right-align, :$left-inverse, :$right-inverse, :$inverse, :$intra-chr) {
        $mask = 0 +| (:left-align ?? 2 !! 0)
                  +| (:right-align ?? 1 !! 0)
                  +| (:left-inverse ?? 8 !! 0)
		  +| (:right-inverse ?? 4 !! 0)
		  +| (:right-align ?? 16 !! 0)
		  +| (:intra-chr ?? 32 !! 0);
        return ($.flag +& $mask);
    }

    # Second version, uses exported bit-flags
    constant \FL_LEFT_ALIGN is export := 2;
    constant \FL_RIGHT_ALIGN is export := 1;
    constant \FL_LEFT_INVERSE is export := 8;
    constant \FL_RIGHT_INVERSE is export := 4;
    constant \FL_INVERSE is export := 16;
    constant \FL_INTRA_CHR is export := 32;
    method flag-is(Int $mask) {
        return ($.flag +& $mask);
    }