refactor out won state

src/game.rs

@@ -62,9 +62,6 @@ pub struct Game {
 
     /// Indicates whether the game is in high contrast mode, where each suit is printed in a different color.
     high_contrast: bool,
-
-    /// Indicates whether the game has been won.
-    won: bool,
 }
 
 impl Game {
@@ -84,8 +81,7 @@ impl Game {
             selected_card_opt: None,
             undo_history: CircularBuffer::new(),
             move_count: 0,
-            high_contrast: false,
-            won: false
+            high_contrast: false
         };
 
         // Deal deck onto the board
@@ -105,7 +101,8 @@ impl Game {
     ///
     /// `true` if the game has been won, otherwise `false`.
     pub fn is_won(&self) -> bool {
-        self.won
+        // Check if all foundation piles are full
+        self.field.iter().take(FOUNDATIONS).all(|stack| stack.len() == RANKS as usize)
     }
 
     /// Toggles high contrast mode, making diamonds magenta and spades yellow.
@@ -245,8 +242,6 @@ impl Game {
             self.field[to].push(from_card);
         }
         self.selected_card_opt = None;
-        // Check to see if player won or unwon (due to undo)
-        self.won = self.field.iter().all(|stack| stack.len() == RANKS as usize);
     }
 }
 

src/game/print.rs

@@ -59,7 +59,7 @@ impl Game {
 
         for (i, stack) in self.field.iter().enumerate() {
             let mut top_card = stack.last().copied().unwrap_or_default();
-            let top_card_is_highlighted = self.highlighted_card == i && !self.won;
+            let top_card_is_highlighted = self.highlighted_card == i && !self.is_won();
             if i < FOUNDATIONS {
                 // Print foundation
                 // If card is a placeholder, assign a suit for decoration

src/main.rs

@@ -20,7 +20,7 @@
 // #TODO X refactor
 // #TODO X lint
 // #TODO   document
-// #TODO   get rid of "won" in game state, compute it dynamically from a function
+// #TODO X get rid of "won" in game state, compute it dynamically from a function
 // #TODO   ci
 // #TODO   publish
 // #TODO   pet the coyote she has been so good