internal SudokuSolutionNode(SudokuBoard a_board, SudokuSolutionNodeState a_state, SudokuSolution a_solution = null)
{
m_state = a_state;
m_board = a_board;
m_board.BoardChanged += num => m_nextBoard = null;
m_solution = a_solution;
}
internal SudokuSolutionNode AddNode(SudokuBoard a_board, SudokuSolutionNodeState a_state, SudokuSolution a_solution)
{
return(AddNode(new SudokuSolutionNode(a_board, a_state, a_solution)));
}
internal SudokuSolutionNode AddNode(SudokuBoard a_board, SudokuSolutionNodeState a_state)
{
return(AddNode(a_board, a_state, null));
}