From 16b5a1228990f53574f3b2d9d2a4143163e7cd91 Mon Sep 17 00:00:00 2001
From: Justus Winter <justus@sequoia-pgp.org>
Date: Mon, 27 Jun 2022 18:38:27 +0200
Subject: openpgp: Make Cert::insert_packets_merge take a FnMut.

  - This way, the callback can have side-effects.
---
 openpgp/src/cert.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'openpgp/src/cert.rs')

diff --git a/openpgp/src/cert.rs b/openpgp/src/cert.rs
index 053220bd..135d7d90 100644
--- a/openpgp/src/cert.rs
+++ b/openpgp/src/cert.rs
@@ -2602,7 +2602,7 @@ impl Cert {
         -> Result<(Self, bool)>
         where P: IntoIterator,
               P::Item: Into<Packet>,
-              I: Fn(Option<Packet>, Packet) -> Result<Packet>,
+              I: FnMut(Option<Packet>, Packet) -> Result<Packet>,
     {
         self.insert_packets_(&mut packets.into_iter().map(Into::into),
                              Box::new(merge))
@@ -2615,8 +2615,8 @@ impl Cert {
     /// we avoid the cost of monomorphization.
     fn insert_packets_<'a>(self,
                            packets: &mut dyn Iterator<Item = Packet>,
-                           merge: Box<dyn Fn(Option<Packet>, Packet)
-                                             -> Result<Packet> + 'a>)
+                           mut merge: Box<dyn FnMut(Option<Packet>, Packet)
+                                                    -> Result<Packet> + 'a>)
         -> Result<(Self, bool)>
     {
         let mut changed = false;
-- 
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