Set up API for AI choice of slot on board

front_end/src/ai/mod.rs

@@ -0,0 +1,23 @@
+use crate::state::BoardType;
+
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+pub enum AIDifficulty {
+    Easy,
+    Normal,
+    Hard,
+}
+
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+pub enum SlotChoice {
+    Slot0,
+    Slot1,
+    Slot2,
+    Slot3,
+    Slot4,
+    Slot5,
+    Slot6,
+}
+
+pub fn get_ai_choice(difficulty: AIDifficulty, board: &BoardType) -> Result<SlotChoice, String> {
+    Err("Unimplemented".into())
+}

front_end/src/main.rs

@@ -1,6 +1,7 @@
 mod constants;
 mod state;
 mod yew_components;
+mod ai;
 
 use state::SharedState;
 use yew::prelude::*;

front_end/src/state.rs

@@ -95,9 +95,11 @@ impl Turn {
     }
 }
 
+pub type BoardType = [Rc<Cell<BoardState>>; 56];
+
 #[derive(Clone, Debug, PartialEq)]
 pub struct SharedState {
-    pub board: [Rc<Cell<BoardState>>; 56],
+    pub board: BoardType,
     pub game_state: Rc<Cell<GameState>>,
     pub turn: Rc<Cell<Turn>>,
 }