From 727dc7b0d6d64fb5c5e68c66a2b77954ec4482b2 Mon Sep 17 00:00:00 2001
From: Jason Turner <lefticus@gmail.com>
Date: Thu, 16 Jul 2009 21:30:01 +0000
Subject: [PATCH] Add support for boxed_cast<> to const boost::shared_ptr<Type>
 &, fixing the problem Jon was having

---
 include/chaiscript/dispatchkit/boxed_value.hpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/include/chaiscript/dispatchkit/boxed_value.hpp b/include/chaiscript/dispatchkit/boxed_value.hpp
index 528c8c7..e36c609 100644
--- a/include/chaiscript/dispatchkit/boxed_value.hpp
+++ b/include/chaiscript/dispatchkit/boxed_value.hpp
@@ -438,6 +438,21 @@ namespace dispatchkit
       }
     };
 
+  /**
+   * Cast_Helper for casting to a boost::shared_ptr<> type
+   */
+  template<typename Result>
+    struct Cast_Helper<typename const boost::shared_ptr<Result> &>
+    {
+      typedef typename boost::shared_ptr<Result> Result_Type;
+        
+      static Result_Type cast(const Boxed_Value &ob)
+      {
+        return boost::any_cast<boost::shared_ptr<Result> >(ob.get());
+      }
+    };
+
+
 
   /**
    * Cast_Helper for casting to a Boxed_Value type