boardToString static method
Implementation
static String boardToString(SudokuState state) {
var board = state.board;
var string = '';
for (var i = 0; i < board.length; i++) {
for (var j = 0; j < (board[i]).length; j++) {
// ignore: use_string_buffers
string += board[i][j].toString();
}
}
return string;
}