From a2f5e79abafb65765ffa60c9d3ae1121cc74780d Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Thu, 27 Feb 2025 21:07:07 -0500
Subject: [PATCH] add comment regarding CoordPair performance

---
 src/repr/coords.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/repr/coords.rs b/src/repr/coords.rs
index f622aeb..11b9f97 100644
--- a/src/repr/coords.rs
+++ b/src/repr/coords.rs
@@ -7,6 +7,7 @@ use static_assertions::const_assert;
 // performance by about 1-2% overall
 pub type CoordAxis = u8;
 
+// using u8 for this results in a ~3-6% perf increase
 pub type CoordPairInner = u8;
 
 const_assert!(CoordPairInner::MAX as usize >= Board::BOARD_AREA as usize);