From ae9b26130417651f7cbb10892428f7573e248f23 Mon Sep 17 00:00:00 2001
From: SubZero0 <pnmanjos@hotmail.com>
Date: Thu, 7 May 2020 17:25:57 -0300
Subject: [PATCH] Add default nullable enum typereader

---
 src/Discord.Net.Commands/CommandService.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Discord.Net.Commands/CommandService.cs b/src/Discord.Net.Commands/CommandService.cs
index 1d4b0e15a..10865ac94 100644
--- a/src/Discord.Net.Commands/CommandService.cs
+++ b/src/Discord.Net.Commands/CommandService.cs
@@ -435,6 +435,13 @@ namespace Discord.Commands
                 _defaultTypeReaders[type] = reader;
                 return reader;
             }
+            var underlyingType = Nullable.GetUnderlyingType(type);
+            if (underlyingType != null && underlyingType.IsEnum)
+            {
+                reader = NullableTypeReader.Create(underlyingType, EnumTypeReader.GetReader(underlyingType));
+                _defaultTypeReaders[type] = reader;
+                return reader;
+            }
 
             //Is this an entity?
             for (int i = 0; i < _entityTypeReaders.Count; i++)