Cross.fromList constructor
Construct cross from an existing 6x6 matrix.
Cross.fromList(this.grid);
is a constructor in the Cross
class that takes
a 2D list grid
as a parameter. It creates a new instance of the Cross
class by assigning the grid
parameter to the grid
property of the new
instance. This allows you to create a Cross
object from an existing 2D list.
Implementation
Cross.fromList(this.grid);