1 files changed, 14 insertions, 0 deletions

diff --git a/src/WixToolset.Data/DictionaryExtensions.cs b/src/WixToolset.Data/DictionaryExtensions.cs
new file mode 100644
index 00000000..cb6647ff
--- /dev/null
+++ b/src/WixToolset.Data/DictionaryExtensions.cs
@@ -0,0 +1,14 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.Data
+{
+    using System.Collections.Generic;
+
+    internal static class DictionaryExtensions
+    {
+        public static V GetValueOrDefault<K, V>(this IDictionary<K, V> dictionary, K key, V defaultValue = default(V))
+        {
+            return dictionary.TryGetValue(key, out var value) ? value : defaultValue;
+        }
+    }
+}