private static string RenderRow(Minefield minefield, int rowIndex) { var squares = Enumerable.Range(0, minefield.Width) .Select(columnIndex => RenderSquare(minefield, columnIndex, rowIndex)); return string.Join("", squares) + "\n"; }
private static string RenderSquare(Minefield minefield, int columnIndex, int rowIndex) { return minefield.IsExplored(columnIndex, rowIndex) ? "O" : "X"; }
public static string Render(Minefield minefield) { var rowIndices = Enumerable.Range(0, minefield.Height); var rows = rowIndices.Select(rowIndex => RenderRow(minefield, rowIndex)); return string.Join("", rows); }