Piezas.cpp
Piezas::Piezas()
{
  board = std::vector<std::vector<Piece>>(BOARD_ROWS, std::vector<Piece>(BOARD_COLS,Blank));
  turn = X;
}
/**
 * Constructor sets an empty board (default 3 rows, 4 columns) and 
 * specifies it is X's turn first
**/
Constructor sets an empty board (default 3 rows, 4 columns) and
specifies it is X's turn first
Constructor sets an empty board ( default 3 rows 4 columns ) and specifies it is X ' s turn first
Piezas::Piezas()
{
  board = std::vector<std::vector<Piece>>(BOARD_ROWS, std::vector<Piece>(BOARD_COLS,Blank));
  turn = X;
}
Piezas :: Piezas ( ) { board = std :: vector < std :: vector < Piece > > ( BOARD_ROWS , std :: vector < Piece > ( BOARD_COLS , Blank ) ) ; turn = X ; }
Constructor sets an empty board (default 3 rows, 4 columns) and
 specifies it is X's turn first
Constructor sets an empty board ( default 3 rows 4 columns ) and specifies it is X ' s turn first