Explain why we need a cast to ICollection here

michaelklishin · michaelklishin · commit 7ba2078ba701 · 2013-08-05T21:12:06.000+04:00
diff --git a/projects/client/RabbitMQ.Client/src/util/SynchronizedList.cs b/projects/client/RabbitMQ.Client/src/util/SynchronizedList.cs
@@ -44,7 +44,8 @@ public T this[int index]
         internal SynchronizedList(IList<T> list)
         {
             this.list = list;
-            this.root = ((ICollection)list).SyncRoot;
+            // ICollection provides SyncRoot
+            this.root = ((ICollection)list.SyncRoot;
         }
 
         public void Add(T item)

Original file line number	Diff line number	Diff line change
`@@ -44,7 +44,8 @@ public T this[int index]`
`44`	`44`	`internal SynchronizedList(IList<T> list)`
`45`	`45`	`{`
`46`	`46`	`this.list = list;`
`47`		`- this.root = ((ICollection)list).SyncRoot;`
	`47`	`+ // ICollection provides SyncRoot`
	`48`	`+ this.root = ((ICollection)list.SyncRoot;`
`48`	`49`	`}`
`49`	`50`
`50`	`51`	`public void Add(T item)`