From 5808d986fa347214a55389ad8a14748671f713ac Mon Sep 17 00:00:00 2001
From: Dariusz Rybicki <dariusz@elixxir.io>
Date: Mon, 6 Jun 2022 13:58:07 +0200
Subject: [PATCH] FIx Cancellable
Prevent multiple cancellations
---
Sources/ElixxirDAppsSDK/Cancellable.swift | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/Sources/ElixxirDAppsSDK/Cancellable.swift b/Sources/ElixxirDAppsSDK/Cancellable.swift
index 1984e3f1..f6897f8d 100644
--- a/Sources/ElixxirDAppsSDK/Cancellable.swift
+++ b/Sources/ElixxirDAppsSDK/Cancellable.swift
@@ -1,11 +1,18 @@
public final class Cancellable {
public init(cancel: @escaping () -> Void) {
- self.cancel = cancel
+ self.onCancel = cancel
}
deinit {
cancel()
}
- public let cancel: () -> Void
+ public func cancel() {
+ guard isCancelled == false else { return }
+ isCancelled = true
+ onCancel()
+ }
+
+ private var isCancelled = false
+ private let onCancel: () -> Void
}
--
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