From cee9da9469c0cd4c94a9891e5c81fd94257ae2ed Mon Sep 17 00:00:00 2001
From: Derek Benson <derekbenson@google.com>
Date: Mon, 15 Jul 2024 11:59:14 -0700
Subject: [PATCH] add IntoProxied Repeated blanket impl for Iterators

PiperOrigin-RevId: 652555465
---
 rust/repeated.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/rust/repeated.rs b/rust/repeated.rs
index 5d455922f6..4044b8c67e 100644
--- a/rust/repeated.rs
+++ b/rust/repeated.rs
@@ -261,6 +261,19 @@ where
     }
 }
 
+impl<'msg, T, I, U> IntoProxied<Repeated<T>> for I
+where
+    I: Iterator<Item = U>,
+    T: 'msg + ProxiedInRepeated,
+    U: IntoProxied<T>,
+{
+    fn into_proxied(self, _private: Private) -> Repeated<T> {
+        let mut repeated: Repeated<T> = Repeated::new();
+        repeated.as_mut().extend(self);
+        repeated
+    }
+}
+
 /// Types that can appear in a `Repeated<T>`.
 ///
 /// This trait is implemented by generated code to communicate how the proxied
@@ -588,4 +601,10 @@ mod tests {
 
         assert_that!(r.as_mut(), elements_are![eq(0), eq(1), eq(2), eq(3)]);
     }
+
+    #[test]
+    fn test_repeated_iter_into_proxied() {
+        let r: Repeated<i32> = [0, 1, 2, 3].into_iter().into_proxied(Private);
+        assert_that!(r.as_view(), elements_are![eq(0), eq(1), eq(2), eq(3)]);
+    }
 }