From 57a902a1b4f7aeafcb7b5cfec0c15635d0fd2b63 Mon Sep 17 00:00:00 2001
From: Srdan Rasic <srdan.rasic@gmail.com>
Date: Fri, 24 Mar 2023 14:54:47 +0100
Subject: [PATCH] Fix append operator disposing race condition

---
 Sources/SignalProtocol+Combining.swift | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Sources/SignalProtocol+Combining.swift b/Sources/SignalProtocol+Combining.swift
index 086c42c..62a5a01 100644
--- a/Sources/SignalProtocol+Combining.swift
+++ b/Sources/SignalProtocol+Combining.swift
@@ -143,18 +143,18 @@ extension SignalProtocol {
     /// Check out interactive example at [https://rxmarbles.com/#concat](https://rxmarbles.com/#concat)
     public func append<O: SignalProtocol>(_ other: O) -> Signal<Element, Error> where O.Element == Element, O.Error == Error {
         return Signal { observer in
-            let serialDisposable = SerialDisposable(otherDisposable: nil)
-            serialDisposable.otherDisposable = self.observe { event in
+            let disposable = CompositeDisposable()
+            disposable += self.observe { event in
                 switch event {
                 case .next(let element):
                     observer.receive(element)
                 case .failed(let error):
                     observer.receive(completion: .failure(error))
                 case .completed:
-                    serialDisposable.otherDisposable = other.observe(with: observer.on)
+                    disposable += other.observe(with: observer.on)
                 }
             }
-            return serialDisposable
+            return disposable
         }
     }