factory to patterns with spill

src/azul.rs

@@ -214,15 +214,15 @@ impl Game {
             return Ok(game)
         };
 
-        let target = match game_move.2 {
+        // This is a workaround for borrowing _only_that board pattern
-            1..=5 =>&mut board.patterns
+        let target: &mut Vec<Tile> = match game_move.2 {
-                .split_at_mut(game_move.2 - 1).1
+            1..=5 => &mut board.patterns[game_move.2 - 1],
-                .split_at_mut(game_move.2).0
-                .first().unwrap_or(return Err("something went wrong while borrowing the target")),
             _ => return Err("That's not a valid pattern line")
         };
 
-        if target.first() != Some(&sel_tile) {
+        println!("{:#?}", target);
+
+        if target.first() != None && target.first() != Some(&sel_tile) {
             return Err("You cannot place that tile on that pattern-line, because there are already other tiles with a different color there")
         }
 

src/main.rs

@@ -6,7 +6,8 @@ fn main() -> Result<(), &'static str>{
     let mut game = Game::new(2)?;
     game.fill()?;
     println!("{:#?}", game);
-    let game2 = game.do_move(GameMove(0, Tile::Red, 0))?;
+    let game2 = game.do_move(GameMove(0, Tile::Red, 2))?;
+    let game2 = game2.do_move(GameMove(1, Tile::Red, 2))?;
     println!("{:#?}", game2);
     Ok(())
 }