From 590961fb2c8ac40957fbc20205b05738e0be7efd Mon Sep 17 00:00:00 2001
From: Brent Simmons <brent@ranchero.com>
Date: Sun, 7 Jul 2019 14:01:44 -0700
Subject: [PATCH] =?UTF-8?q?Add=20comment=20that=20Account=20is=20main-thre?=
 =?UTF-8?q?ad-only,=20and=20assert=20that=20we=E2=80=99re=20on=20the=20mai?=
 =?UTF-8?q?n=20thread=20in=20flattenedFeeds().?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Frameworks/Account/Account.swift | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Frameworks/Account/Account.swift b/Frameworks/Account/Account.swift
index dfa0ea452..80713ef82 100644
--- a/Frameworks/Account/Account.swift
+++ b/Frameworks/Account/Account.swift
@@ -17,6 +17,8 @@ import RSParser
 import ArticlesDatabase
 import RSWeb
 
+// Main thread only.
+
 public extension Notification.Name {
 	static let AccountRefreshDidBegin = Notification.Name(rawValue: "AccountRefreshDidBegin")
 	static let AccountRefreshDidFinish = Notification.Name(rawValue: "AccountRefreshDidFinish")
@@ -636,6 +638,7 @@ public final class Account: DisplayNameProvider, UnreadCountProvider, Container,
 	// MARK: - Container
 
 	public func flattenedFeeds() -> Set<Feed> {
+		assert(Thread.isMainThread)
 		if flattenedFeedsNeedUpdate {
 			updateFlattenedFeeds()
 		}