Replace uses of forEach with for-in loops.

iOS/MasterFeed/MasterFeedViewController.swift

@@ -879,9 +879,9 @@ private extension MasterFeedViewController {
 	}
 	
 	func applyToAvailableCells(_ completion: (MasterFeedTableViewCell, IndexPath) -> Void) {
-		tableView.visibleCells.forEach { cell in
+		for cell in tableView.visibleCells {
 			guard let indexPath = tableView.indexPath(for: cell) else {
-				return
+				continue
 			}
 			completion(cell as! MasterFeedTableViewCell, indexPath)
 		}

iOS/MasterTimeline/MasterTimelineViewController.swift

@@ -476,9 +476,12 @@ class MasterTimelineViewController: UITableViewController, UndoableCommandRunner
 		guard let feed = note.userInfo?[UserInfoKey.feed] as? Feed else {
 			return
 		}
-		tableView.indexPathsForVisibleRows?.forEach { indexPath in
+		guard let indexPathsForVisibleRows = tableView.indexPathsForVisibleRows else {
+			return
+		}
+		for indexPath in indexPathsForVisibleRows {
 			guard let article = dataSource.itemIdentifier(for: indexPath) else {
-				return
+				continue
 			}
 			if article.feed == feed, let cell = tableView.cellForRow(at: indexPath) as? MasterTimelineTableViewCell, let image = iconImageFor(article) {
 				cell.setIconImage(image)
@@ -490,9 +493,12 @@ class MasterTimelineViewController: UITableViewController, UndoableCommandRunner
 		guard coordinator.showIcons, let avatarURL = note.userInfo?[UserInfoKey.url] as? String else {
 			return
 		}
-		tableView.indexPathsForVisibleRows?.forEach { indexPath in
+		guard let indexPathsForVisibleRows = tableView.indexPathsForVisibleRows else {
+			return
+		}
+		for indexPath in indexPathsForVisibleRows {
 			guard let article = dataSource.itemIdentifier(for: indexPath), let authors = article.authors, !authors.isEmpty else {
-				return
+				continue
 			}
 			for author in authors {
 				if author.avatarURL == avatarURL, let cell = tableView.cellForRow(at: indexPath) as? MasterTimelineTableViewCell, let image = iconImageFor(article) {

iOS/SceneCoordinator.swift

@@ -1468,7 +1468,7 @@ private extension SceneCoordinator {
 	func rebuildArticleDictionaries() {
 		var idDictionary = [String: Article]()
 
-		articles.forEach { article in
+		for article in articles {
 			idDictionary[article.articleID] = article
 		}