From 7db110f48d23344e1fc2fa9f30f6b1fe3878bc73 Mon Sep 17 00:00:00 2001
From: tidely <43219534+tidely@users.noreply.github.com>
Date: Wed, 23 Jul 2025 10:57:57 +0300
Subject: [PATCH] sum_tree: Utilize `size_hint` in `TreeSet::extend` (#34936)

Collect the iterator instead of manually looping over it to utilize
possible size hints. Zed usually passes in owned `Vec`'s, meaning we get
to reuse memory as well.

Release Notes:

- N/A
---
 crates/sum_tree/src/tree_map.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/crates/sum_tree/src/tree_map.rs b/crates/sum_tree/src/tree_map.rs
index 0397f16182..54e8ae8343 100644
--- a/crates/sum_tree/src/tree_map.rs
+++ b/crates/sum_tree/src/tree_map.rs
@@ -71,10 +71,10 @@ impl<K: Clone + Ord, V: Clone> TreeMap<K, V> {
     }
 
     pub fn extend(&mut self, iter: impl IntoIterator<Item = (K, V)>) {
-        let mut edits = Vec::new();
-        for (key, value) in iter {
-            edits.push(Edit::Insert(MapEntry { key, value }));
-        }
+        let edits: Vec<_> = iter
+            .into_iter()
+            .map(|(key, value)| Edit::Insert(MapEntry { key, value }))
+            .collect();
         self.0.edit(edits, &());
     }