board without structs

src/main.rs

-struct TicTacToe {
-    board: [char; 9],
-}
-
-fn display(board: TicTacToe) {
+fn display(board: [char; 9]) {
     for row in 0..3 {
         println!(
             " {} | {} | {}",
-            board.board[row * 3],
-            board.board[row * 3 + 1],
-            board.board[row * 3 + 2]
+            board[row * 3],
+            board[row * 3 + 1],
+            board[row * 3 + 2]
         );
         if row == 0 || row == 1 {
             println!("---+---+---");
@@ -18,7 +14,7 @@ fn display(board: TicTacToe) {
 }
 
 fn main() {
-    let board = TicTacToe { board: ['.'; 9] };
+    let board = ['.'; 9];
 
     display(board);
 }