cleanup

Cargo.toml

@@ -4,4 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-num = "0.4.3"
+num = "0.4"

src/agent.rs

@@ -22,7 +22,7 @@ impl Agent for ManualAgent {
             stdin.lock().read_line(&mut input).ok()?;
             let numbers = input
                 .split_whitespace()
-                .map(|i| usize::from_str_radix(i, 10).ok())
+                .map(|i| i.parse::<usize>().ok())
                 .collect::<Option<Vec<usize>>>();
             if let Some(numbers) = numbers {
                 if numbers.len() == 2 {

src/board.rs

@@ -1,5 +1,5 @@
 use crate::{misc::split_from, piece::Piece};
-use std::fmt;
+use std::{cmp::Ordering, fmt};
 
 pub const BOARD_SIZE: usize = 8;
 
@@ -185,38 +185,27 @@ impl Board {
         captured
     }
 
-    // keep score of each color
+    /// Returns (White score, Black score)
     pub fn get_score(&self) -> (usize, usize) {
-        let mut white_score = 0;
-        let mut black_score = 0;
-
-        for row in &self.board {
-            for &cell in row {
-                match cell {
-                    Some(Piece::White) => white_score += 1,
-                    Some(Piece::Black) => black_score += 1,
-                    _ => {}
-                }
-            }
-        }
-        (white_score, black_score)
+        self.board
+            .iter()
+            .flatten()
+            .flatten()
+            .map(|cell| match cell {
+                Piece::White => (1, 0),
+                Piece::Black => (0, 1),
+            })
+            .fold((0_usize, 0usize), |(a, b), (c, d)| (a + c, b + d))
     }
 
     // Get the winning piece (for game over screen mainly)
     pub fn get_winner(&self) -> Option<Piece> {
         let (white_score, black_score) = self.get_score();
 
-        // White wins
-        if white_score > black_score {
-            Some(Piece::White)
-        }
-        // Black Wins
-        else if black_score > white_score {
-            Some(Piece::Black)
-        }
-        // Tie
-        else {
-            None
+        match white_score.cmp(&black_score) {
+            Ordering::Greater => Some(Piece::White), // White win
+            Ordering::Less => Some(Piece::Black),    // Black win
+            Ordering::Equal => None,                 // Tie
         }
     }