From ea4bdd718df5d82619463a2bbcb6fd7294312f8c Mon Sep 17 00:00:00 2001
From: Yuya Nishihara <yuya@tcha.org>
Date: Wed, 15 Nov 2023 12:40:19 +0900
Subject: [PATCH] index: use "while let" in common_ancestors_pos()

---
 lib/src/default_index_store.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/src/default_index_store.rs b/lib/src/default_index_store.rs
index 7f844a0e8..5a1230780 100644
--- a/lib/src/default_index_store.rs
+++ b/lib/src/default_index_store.rs
@@ -911,9 +911,7 @@ impl<'a> CompositeIndex<'a> {
             .collect();
 
         let mut result = BTreeSet::new();
-        while !(items1.is_empty() || items2.is_empty()) {
-            let entry1 = items1.last().unwrap();
-            let entry2 = items2.last().unwrap();
+        while let (Some(entry1), Some(entry2)) = (items1.last(), items2.last()) {
             match entry1.cmp(entry2) {
                 Ordering::Greater => {
                     let entry1 = items1.pop_last().unwrap();