From 8a2ae936c954bca7662a421cc0b2489296cb2c92 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 26 Mar 2016 17:29:44 +0000
Subject: Remove Guava usage from DeepReflectionMatcher

---
 src/main/java/org/zwobble/mammoth/internal/util/MammothSets.java | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/main')

diff --git a/src/main/java/org/zwobble/mammoth/internal/util/MammothSets.java b/src/main/java/org/zwobble/mammoth/internal/util/MammothSets.java
index 87f7bbe..4f06efc 100644
--- a/src/main/java/org/zwobble/mammoth/internal/util/MammothSets.java
+++ b/src/main/java/org/zwobble/mammoth/internal/util/MammothSets.java
@@ -24,6 +24,12 @@ public class MammothSets {
         return set;
     }
 
+    public static <T> Set<T> difference(Set<? extends T> set1, Set<? extends T> set2) {
+        HashSet<T> result = new HashSet<>(set1);
+        result.removeAll(set2);
+        return result;
+    }
+
     public static <T> Set<T> toSet(Iterable<T> iterable) {
         return stream(iterable).collect(Collectors.toSet());
     }
-- 
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