From 1cb53f9850ed593d75b6e3af0454616b30048643 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 10 Aug 2010 13:15:33 +0200
Subject: Add comparison operators for shared_ptr

---
 cutl/shared-ptr.hxx | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/cutl/shared-ptr.hxx b/cutl/shared-ptr.hxx
index de85447..702af29 100644
--- a/cutl/shared-ptr.hxx
+++ b/cutl/shared-ptr.hxx
@@ -140,6 +140,20 @@ namespace cutl
 
     X* x_;
   };
+
+  template <typename X, typename Y>
+  inline bool
+  operator== (const shared_ptr<X>& x, const shared_ptr<Y>& y)
+  {
+    return x.get () == y.get ();
+  }
+
+  template <typename X, typename Y>
+  inline bool
+  operator!= (const shared_ptr<X>& x, const shared_ptr<Y>& y)
+  {
+    return x.get () != y.get ();
+  }
 }
 
 #endif // CUTL_SHARED_PTR_HXX
-- 
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