typing improvements

src/logic/move.rs

@@ -2,10 +2,12 @@ use super::board_value::BoardValueMap;
 use crate::repr::{Board, CoordPair, Piece, Winner};
 use allocative::Allocative;
 
+pub type MoveCoord = Option<CoordPair>;
+
 #[derive(Clone, Debug, Allocative)]
 pub struct Move {
     /// Coordinates (i, j) of the move (if it exists)
-    pub coord: Option<CoordPair>,
+    pub coord: MoveCoord,
 
     /// Current winner of the match
     pub winner: Winner,
@@ -34,7 +36,7 @@ pub struct Move {
 }
 
 impl Move {
-    pub fn new(coord: Option<CoordPair>, board: Board, color: Piece, agent_color: Piece) -> Self {
+    pub fn new(coord: MoveCoord, board: Board, color: Piece, agent_color: Piece) -> Self {
         let mut m = Move {
             coord,
             winner: board.game_winner(),