From fbe30e71784f87b1c99989fb0f15766d971d5fae Mon Sep 17 00:00:00 2001
From: Philippe-Cholet <phcholet@orange.fr>
Date: Thu, 9 Nov 2023 19:33:00 +0100
Subject: [PATCH] `Multipeek::fold`

---
 src/multipeek_impl.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/multipeek_impl.rs b/src/multipeek_impl.rs
index 00c5d4ea7..a78bc447b 100644
--- a/src/multipeek_impl.rs
+++ b/src/multipeek_impl.rs
@@ -102,6 +102,14 @@ where
     fn size_hint(&self) -> (usize, Option<usize>) {
         size_hint::add_scalar(self.iter.size_hint(), self.buf.len())
     }
+
+    fn fold<B, F>(self, mut init: B, mut f: F) -> B
+    where
+        F: FnMut(B, Self::Item) -> B,
+    {
+        init = self.buf.into_iter().fold(init, &mut f);
+        self.iter.fold(init, f)
+    }
 }
 
 // Same size