From 2be18a200fb17b90fea60adb04b2f840ff9866ca Mon Sep 17 00:00:00 2001
From: Piotr Osiewicz <24362066+osiewicz@users.noreply.github.com>
Date: Fri, 8 Aug 2025 17:11:48 +0200
Subject: [PATCH] Warnings

---
 crates/sum_tree/src/sum_tree.rs | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/crates/sum_tree/src/sum_tree.rs b/crates/sum_tree/src/sum_tree.rs
index 565cfceaf26c553a0940e632d89014be55b05498..74fd65ab376cf861fba2a026dd2cd667d2d9180c 100644
--- a/crates/sum_tree/src/sum_tree.rs
+++ b/crates/sum_tree/src/sum_tree.rs
@@ -40,7 +40,7 @@ pub trait Summary: Clone {
 
     fn zero(cx: &Self::Context) -> Self;
     fn add_summary(&mut self, summary: &Self, cx: &Self::Context);
-    fn sub_summary(&mut self, summary: &Self, cx: &Self::Context) {}
+    fn sub_summary(&mut self, _: &Self, _: &Self::Context) {}
 }
 
 /// Catch-all implementation for when you need something that implements [`Summary`] without a specific type.
@@ -297,7 +297,7 @@ impl<T: Item> SumTree<T> {
                         } else {
                             summary
                         };
-                        previous_item.insert(current_item.clone());
+                        _ = previous_item.insert(current_item.clone());
                         Some(current_item)
                     })
                     .collect();
@@ -923,18 +923,6 @@ impl<T: KeyedItem> Edit<T> {
     }
 }
 
-fn sum<'a, T, I>(iter: I, cx: &T::Context) -> T
-where
-    T: 'a + Summary,
-    I: Iterator<Item = &'a T>,
-{
-    let mut sum = T::zero(cx);
-    for value in iter {
-        sum.add_summary(value, cx);
-    }
-    sum
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;