From 9950d712e485ded3e293d995d357008e76ef5bdc Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Thu, 20 Feb 2025 23:41:43 -0500
Subject: [PATCH] replace retain_mut usage

---
 src/logic/future_moves.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/logic/future_moves.rs b/src/logic/future_moves.rs
index 7d51d50..4f29b78 100644
--- a/src/logic/future_moves.rs
+++ b/src/logic/future_moves.rs
@@ -342,11 +342,10 @@ impl FutureMoves {
                     }
                 }
 
-                node.children.retain_mut(|c| {
+                for c in node.children.as_mut_slice() {
                     debug_assert!(index_map.get(*c).unwrap().is_some());
                     *c = unsafe { index_map.get_unchecked(*c).unwrap_unchecked() };
-                    true
-                });
+                }
 
                 node
             })