From af57cf3b90dc00b2e92277b996787efda54b6585 Mon Sep 17 00:00:00 2001
From: Peter Livesey <plivesey453@gmail.com>
Date: Wed, 14 Sep 2016 13:57:35 -0700
Subject: [PATCH] Checking if a block has been cancelled immediately before it
 runs (#35)

---
 ConsistencyManager/ConsistencyManager.swift | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ConsistencyManager/ConsistencyManager.swift b/ConsistencyManager/ConsistencyManager.swift
index 66b5b11..337dd0a 100644
--- a/ConsistencyManager/ConsistencyManager.swift
+++ b/ConsistencyManager/ConsistencyManager.swift
@@ -755,6 +755,10 @@ public class ConsistencyManager {
                 // Default to true if weakOperation is nil
                 return weakOperation?.cancelled ?? true
             }
+            // Let's check here to see if it's cancelled before we start
+            if cancelled() {
+                return
+            }
             task(cancelled)
         }
         weakOperation = operation