question: translates a bit set to its number version concode_field_sep PlaceHolder placeHolder concode_field_sep Long reverseBinary concode_elem_sep BitSet fromLong concode_elem_sep BitSet reverse
target: Long function ( BitSet arg0 ) { Long loc0 = 0L ; long loc1 = 1 ; for ( int loc2 = 0 ; loc2 < arg0 . length ( ) ; loc2 ++ ) { loc0 += arg0 . get ( loc2 ) ? loc1 : 0 ; loc1 *= 2 ; } return loc0 ; }