Make the RetryHelper methods mutating

Frizlab · Jan 12, 2023 · c64f989 · c64f989
1 parent 123eafb
commit c64f989
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/Sources/RetryingOperation/RetryHelper.swift b/Sources/RetryingOperation/RetryHelper.swift
@@ -19,7 +19,7 @@ import Foundation
 
 public protocol RetryHelper {
 
-	func setup()
-	func teardown()
+	mutating func setup()
+	mutating func teardown()
 
 }
diff --git a/Sources/RetryingOperation/RetryingOperation.swift b/Sources/RetryingOperation/RetryingOperation.swift
@@ -354,8 +354,8 @@ open class RetryingOperation : Operation {
 	private var nRetries = 0
 
 	private var retryHelpers: [RetryHelper]? {
-		willSet {retryHelpers?.forEach{ $0.teardown() }}
-		didSet  {retryHelpers?.forEach{ $0.setup() }}
+		willSet {retryHelpers?.forEach{ var mut = $0; mut.teardown() }}
+		didSet  {retryHelpers = retryHelpers?.map{ var ret = $0; ret.setup(); return ret }}
 	}
 
 	private let retryStateSemaphore = DispatchSemaphore(value: 1)