returns the 64-bit long representation of the bitboard . see the class definition for a description of the long representation . concode_field_sep long data concode_field_sep Bitboard bitboardFromFile concode_elem_sep void updateUnion concode_elem_sep void updateUnion concode_elem_sep boolean intersects concode_elem_sep boolean intersects concode_elem_sep boolean intersects concode_elem_sep void setData concode_elem_sep void updateRemove concode_elem_sep void updateRemove concode_elem_sep void clear concode_elem_sep boolean isEmpty concode_elem_sep Bitboard bitboardFromRank concode_elem_sep Bitboard union concode_elem_sep Bitboard union concode_elem_sep Bitboard intersection concode_elem_sep Bitboard intersection concode_elem_sep int numOccupied concode_elem_sep String toString concode_elem_sep Bitboard copy concode_elem_sep Bitboard flip concode_elem_sep int numEmptyStartingSquares
long function ( ) { return this . data ; }