From 18c943760d8ab3b2144111213d0144f6f14ed268 Mon Sep 17 00:00:00 2001
From: Andrew Gallagher <andrewjcg@fb.com>
Date: Tue, 3 Oct 2017 06:52:50 -0700
Subject: [PATCH] PatternMatchedCollection: implement `equals`/`hashCode`

Test Plan: CI

Reviewed By: ttsugriy

fbshipit-source-id: dc422dc
---
 .../coercer/PatternMatchedCollection.java     | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/com/facebook/buck/rules/coercer/PatternMatchedCollection.java b/src/com/facebook/buck/rules/coercer/PatternMatchedCollection.java
index 47cbb1ee03c..b85c5ac6c60 100644
--- a/src/com/facebook/buck/rules/coercer/PatternMatchedCollection.java
+++ b/src/com/facebook/buck/rules/coercer/PatternMatchedCollection.java
@@ -82,6 +82,25 @@ public <V> PatternMatchedCollection<V> map(Function<T, V> func) {
             .toImmutableList());
   }
 
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (!(o instanceof PatternMatchedCollection)) {
+      return false;
+    }
+
+    PatternMatchedCollection<?> that = (PatternMatchedCollection<?>) o;
+
+    return values.equals(that.values);
+  }
+
+  @Override
+  public int hashCode() {
+    return values.hashCode();
+  }
+
   public static <T> Builder<T> builder() {
     return new Builder<>();
   }