From 0a828f500bb265ca2545c4fc15f58e0aa06c8500 Mon Sep 17 00:00:00 2001
From: Havoc Pennington <hp@pobox.com>
Date: Tue, 14 Oct 2014 03:46:38 -0400
Subject: [PATCH] Implement equals and hashCode for ResolveSource

Useful for debugging or whatever.
---
 .../com/typesafe/config/impl/ResolveSource.java | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/config/src/main/java/com/typesafe/config/impl/ResolveSource.java b/config/src/main/java/com/typesafe/config/impl/ResolveSource.java
index 6eea30a3..dd6a4d74 100644
--- a/config/src/main/java/com/typesafe/config/impl/ResolveSource.java
+++ b/config/src/main/java/com/typesafe/config/impl/ResolveSource.java
@@ -275,6 +275,23 @@ final class ResolveSource {
         final T value;
         final Node<T> next;
 
+        @Override
+        public int hashCode() {
+            return value.hashCode() + 41 * (41 + next.hashCode());
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            if (other instanceof Node<?>) {
+                if (value == ((Node<?>) other).value)
+                    return true;
+                else
+                    return value.equals(((Node<?>) other).value);
+            } else {
+                return false;
+            }
+        }
+
         Node(T value, Node<T> next) {
             this.value = value;
             this.next = next;