5 struct Board {  struct
9   constexpr Board() : State(0), Failed(false) {}  in Board()  argument
10   constexpr Board(const Board &O) : State(O.State), Failed(O.Failed) {}  in Board()  argument
11   constexpr Board(uint64_t State, bool Failed = false) :  in Board()  function
13   constexpr Board addQueen(int Row, int Col) const {  in addQueen()  argument
14     return Board(State | ((uint64_t)Row << (Col * 4)));  in addQueen()
35 constexpr Board buildBoardRecurse(int N, int Col, const Board &B);  argument
36 constexpr Board buildBoardScan(int N, int Col, int Row, const Board &B);
37 constexpr Board tryBoard(const Board &Try,  in tryBoard()
38                          int N, int Col, int Row, const Board &B) {  in tryBoard()
41 constexpr Board buildBoardScan(int N, int Col, int Row, const Board &B) {  in buildBoardScan()
42   return Row == N ? Board(0, true) :  in buildBoardScan()
48 constexpr Board buildBoardRecurse(int N, int Col, const Board &B) {  in buildBoardRecurse()
51 constexpr Board buildBoard(int N) {  in buildBoard()
52   return buildBoardRecurse(N, 0, Board());  in buildBoard()
55 constexpr Board q8 = buildBoard(8);
57 constexpr bool Board::check(const char *p, int Row, int Col) const {  in check()