From cbf47482ad825d58d53c1055469e24ee61ce708c Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Thu, 27 Feb 2025 23:32:20 -0500
Subject: [PATCH] simplify board functions

---
 src/repr/board.rs | 18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)

diff --git a/src/repr/board.rs b/src/repr/board.rs
index a6c5fbe..d0a7ae6 100644
--- a/src/repr/board.rs
+++ b/src/repr/board.rs
@@ -123,9 +123,7 @@ impl Board {
 
     /// Provides an iterator of all possible positions on the board
     pub fn all_positions() -> impl Iterator<Item = CoordPair> {
-        (0..Self::BOARD_SIZE).flat_map(|i| {
-            (0..Self::BOARD_SIZE).map(move |j| (i as CoordAxis, j as CoordAxis).into())
-        })
+        (0..Self::BOARD_SIZE).flat_map(|i| (0..Self::BOARD_SIZE).map(move |j| (i, j).into()))
     }
 
     /// Returns an iterator of all possible moves a `color` can make
@@ -133,20 +131,6 @@ impl Board {
         Self::all_positions().filter(move |&coord| self.would_prop(coord, color))
     }
 
-    pub fn sides() -> impl Iterator<Item = (CoordAxis, CoordAxis)> {
-        (0..Self::BOARD_SIZE)
-            .map(|i| (i, Self::BOARD_SIZE - 1))
-            .chain((0..Self::BOARD_SIZE).map(|i| (i, 0)))
-            .chain((0..Self::BOARD_SIZE).map(|j| (Self::BOARD_SIZE - 1, j)))
-            .chain((0..Self::BOARD_SIZE).map(|j| (0, j)))
-    }
-
-    pub fn corners() -> impl Iterator<Item = (CoordAxis, CoordAxis)> {
-        [0, Self::BOARD_SIZE - 1]
-            .into_iter()
-            .flat_map(|i| [0, Self::BOARD_SIZE - 1].into_iter().map(move |j| (i, j)))
-    }
-
     /// Get a reference to a backing [`BitBoard`]
     const fn board(&self, color: Piece) -> &BitBoard {
         match color {