From 865f36d0a76b00c6014dff039ed81493b249bf0d Mon Sep 17 00:00:00 2001
From: Simon G <simon.gockner@gmail.com>
Date: Thu, 19 Nov 2020 13:38:55 +0100
Subject: [PATCH] #45: clearMultitonInstances() gets registration first now

---
 LightweightIocContainer/IocContainer.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/LightweightIocContainer/IocContainer.cs b/LightweightIocContainer/IocContainer.cs
index cb64982..57c2e84 100644
--- a/LightweightIocContainer/IocContainer.cs
+++ b/LightweightIocContainer/IocContainer.cs
@@ -611,7 +611,11 @@ namespace LightweightIocContainer
         /// <typeparam name="T">The <see cref="Type"/> to clear the multiton instances</typeparam>
         public void ClearMultitonInstances<T>()
         {
-            var multitonInstance = _multitons.FirstOrDefault(m => m.type == typeof(T));
+            IRegistration registration = FindRegistration<T>();
+            if (!(registration is IMultitonRegistration<T> multitonRegistration))
+                return;
+            
+            var multitonInstance = _multitons.FirstOrDefault(m => m.type == multitonRegistration.ImplementationType);
 
             //it is allowed to clear a non existing multiton instance (don't throw an exception)
             if (multitonInstance == default)