From 789b5d9f2be677e3d081ac7a921267f3f4f97196 Mon Sep 17 00:00:00 2001
From: Richard Barnes <rlb@ipv.sx>
Date: Mon, 15 Jul 2024 20:56:31 -0400
Subject: [PATCH] if let

---
 mls-rs/src/group/mod.rs | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/mls-rs/src/group/mod.rs b/mls-rs/src/group/mod.rs
index eebf92f2..9383ffcc 100644
--- a/mls-rs/src/group/mod.rs
+++ b/mls-rs/src/group/mod.rs
@@ -2028,13 +2028,14 @@ where
 
             // If the current leaf node contains an epoch value, delete any cached state for
             // updates from prior epochs.
-            self.current_user_leaf_node()?
+            let epoch_ext = self
+                .current_user_leaf_node()?
                 .extensions
-                .get_as::<LeafNodeEpochExt>()?
-                .map(|epoch_ext| {
-                    self.pending_updates
-                        .retain(|_pk, upd| upd.epoch >= epoch_ext.epoch);
-                });
+                .get_as::<LeafNodeEpochExt>()?;
+            if let Some(epoch_ext) = epoch_ext {
+                self.pending_updates
+                    .retain(|_pk, upd| upd.epoch >= epoch_ext.epoch);
+            }
         }
 
         self.pending_commit = None;