From 8260478a87b805c3d65dc1c9e76a744b81396ef2 Mon Sep 17 00:00:00 2001
From: Ali Behjati <bahjatia@gmail.com>
Date: Wed, 18 Oct 2023 15:00:37 +0200
Subject: [PATCH] Update hermes/src/aggregate/metrics.rs

Co-authored-by: Reisen <Reisen@users.noreply.github.com>
---
 hermes/src/aggregate/metrics.rs | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/hermes/src/aggregate/metrics.rs b/hermes/src/aggregate/metrics.rs
index 11f63e9fb..f8fb2c47b 100644
--- a/hermes/src/aggregate/metrics.rs
+++ b/hermes/src/aggregate/metrics.rs
@@ -86,16 +86,12 @@ impl Metrics {
 
     /// Observe a slot and event. An event at a slot should be observed only once.
     pub fn observe(&mut self, slot: Slot, event: Event) {
-        let order = if let Some(newest_observed_slot) = self.newest_observed_slot.get(&event) {
-            if slot > *newest_observed_slot {
-                self.newest_observed_slot.insert(event.clone(), slot);
-                SlotOrder::New
-            } else {
-                SlotOrder::OutOfOrder
-            }
-        } else {
+        let order = if self.newest_observed_slot.get(&event)
+            .map_or(true, |&observed_slot| slot > observed_slot) {
             self.newest_observed_slot.insert(event.clone(), slot);
             SlotOrder::New
+        } else {
+            SlotOrder::OutOfOrder
         };