From fbb68e33de5e0b0707efbe950a57d46f0def3964 Mon Sep 17 00:00:00 2001
From: Chris Beck <beck.ct@gmail.com>
Date: Tue, 9 Sep 2025 16:10:54 -0600
Subject: [PATCH] make chunk iterator implement clone

---
 src/groupbylazy.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/groupbylazy.rs b/src/groupbylazy.rs
index af7512343..ee635b4b8 100644
--- a/src/groupbylazy.rs
+++ b/src/groupbylazy.rs
@@ -653,6 +653,20 @@ where
     first: Option<I::Item>,
 }
 
+impl<'a, I> Clone for Chunk<'a, I>
+where
+    I: Iterator,
+    I::Item: 'a + Clone,
+{
+    fn clone(&self) -> Self {
+        Self {
+            parent: self.parent,
+            index: self.index,
+            first: self.first.clone(),
+        }
+    }
+}
+
 impl<'a, I> Drop for Chunk<'a, I>
 where
     I: Iterator,