From 694e5f1cb3fa5121bbe53a747633ad6deb17b83e Mon Sep 17 00:00:00 2001
From: Greg Johnston <greg.johnston@gmail.com>
Date: Tue, 23 Jan 2024 11:08:33 -0500
Subject: [PATCH] fix: cast to correct type on `Memo::try_with_untracked`

---
 leptos_reactive/src/memo.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/leptos_reactive/src/memo.rs b/leptos_reactive/src/memo.rs
index b7b560d69..858305a85 100644
--- a/leptos_reactive/src/memo.rs
+++ b/leptos_reactive/src/memo.rs
@@ -357,7 +357,12 @@ impl<T> SignalWithUntracked for Memo<T> {
     #[inline]
     fn try_with_untracked<O>(&self, f: impl FnOnce(&T) -> O) -> Option<O> {
         with_runtime(|runtime| {
-            self.id.try_with_no_subscription(runtime, |v: &T| f(v)).ok()
+            self.id
+                .try_with_no_subscription(runtime, |v: &Option<T>| {
+                    v.as_ref().map(f)
+                })
+                .ok()
+                .flatten()
         })
         .ok()
         .flatten()