From 154d3e81bee3a61b4c4209b406c631d6aba0f624 Mon Sep 17 00:00:00 2001
From: sine/cosine/tangent <zfshmn@gmail.com>
Date: Fri, 21 Apr 2023 17:21:51 -0700
Subject: [PATCH] feat: SerializableDictionary implements
 IReadOnlyDictionary<TKey, TValue>

---
 Runtime/SerializableCollections/SerializableDictionary.cs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Runtime/SerializableCollections/SerializableDictionary.cs b/Runtime/SerializableCollections/SerializableDictionary.cs
index bd97e1f..ecbacfb 100644
--- a/Runtime/SerializableCollections/SerializableDictionary.cs
+++ b/Runtime/SerializableCollections/SerializableDictionary.cs
@@ -19,8 +19,8 @@
     /// }
     /// </code></example>
     [Serializable]
-    public class SerializableDictionary<TKey, TValue> : IDictionary<TKey, TValue>, IDictionary,
-        ISerializationCallbackReceiver, IDeserializationCallback, ISerializable
+    public class SerializableDictionary<TKey, TValue> : IDictionary<TKey, TValue>, IDictionary, IReadOnlyDictionary<TKey, TValue>,
+        ISerializationCallbackReceiver, IDeserializationCallback, ISerializable   
     {
         private Dictionary<TKey, TValue> _dict;
         [SerializeField] private TKey[] _keys;
@@ -48,6 +48,10 @@ public class SerializableDictionary<TKey, TValue> : IDictionary<TKey, TValue>, I
 
         public object SyncRoot => ((IDictionary) _dict).SyncRoot;
 
+        IEnumerable<TKey> IReadOnlyDictionary<TKey, TValue>.Keys => ((IReadOnlyDictionary<TKey, TValue>)_dict).Keys;
+
+        IEnumerable<TValue> IReadOnlyDictionary<TKey, TValue>.Values => ((IReadOnlyDictionary<TKey, TValue>)_dict).Values;
+
         public object this[object key]
         {
             get => ((IDictionary) _dict)[key];