From 1aed887059f7b6c5a2297a1eba77a1a653a0bddd Mon Sep 17 00:00:00 2001
From: Pat Brown <mrpatbrown@gmail.com>
Date: Sun, 3 Nov 2024 12:18:08 +1100
Subject: [PATCH] Avoid extra lock for subscriptions

---
 .../ComposableArchitecture/Internal/CurrentValueRelay.swift  | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Sources/ComposableArchitecture/Internal/CurrentValueRelay.swift b/Sources/ComposableArchitecture/Internal/CurrentValueRelay.swift
index 6f8a9eb61c4d..bb09e396e08b 100644
--- a/Sources/ComposableArchitecture/Internal/CurrentValueRelay.swift
+++ b/Sources/ComposableArchitecture/Internal/CurrentValueRelay.swift
@@ -33,10 +33,11 @@ final class CurrentValueRelay<Output>: Publisher {
   }
 
   func send(_ value: Output) {
-    self.lock.sync {
+    let subscriptions = self.lock.sync {
       self.currentValue = value
+      return self.subscriptions
     }
-    for subscription in self.lock.sync({ self.subscriptions }) {
+    for subscription in subscriptions {
       subscription.receive(value)
     }
   }