From f2625ff388a037ce0d65fcc14f76586614936d78 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 19 Oct 2011 10:47:41 +0200
Subject: Add support for const data members

Const data members are automatically treated as readonly. New test:
const-member.
---
 odb/qt/smart-ptr/wrapper-traits.hxx | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/odb/qt/smart-ptr/wrapper-traits.hxx b/odb/qt/smart-ptr/wrapper-traits.hxx
index 1f61b5e..6faf34b 100644
--- a/odb/qt/smart-ptr/wrapper-traits.hxx
+++ b/odb/qt/smart-ptr/wrapper-traits.hxx
@@ -23,6 +23,12 @@ namespace odb
     typedef T wrapped_type;
     typedef QSharedPointer<T> wrapper_type;
 
+    // T can be const.
+    //
+    typedef
+    typename details::meta::remove_const<T>::result
+    unrestricted_wrapped_type;
+
     static const bool null_handler = true;
     static const bool null_default = false;
 
@@ -48,9 +54,9 @@ namespace odb
     set_ref (wrapper_type& p)
     {
       if (p.isNull ())
-        p = wrapper_type (new wrapped_type);
+        p = wrapper_type (new unrestricted_wrapped_type);
 
-      return *p;
+      return const_cast<unrestricted_wrapped_type&> (*p);
     }
   };
 }
-- 
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