From 8976a0a11befafb8bed0105dc29ac5c183745e7a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 19 Oct 2011 10:47:40 +0200
Subject: Add support for const data members

Const data members are automatically treated as readonly. New test:
const-member.
---
 odb/boost/smart-ptr/wrapper-traits.hxx | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'odb/boost/smart-ptr/wrapper-traits.hxx')

diff --git a/odb/boost/smart-ptr/wrapper-traits.hxx b/odb/boost/smart-ptr/wrapper-traits.hxx
index 5389eca..de7ec9e 100644
--- a/odb/boost/smart-ptr/wrapper-traits.hxx
+++ b/odb/boost/smart-ptr/wrapper-traits.hxx
@@ -23,6 +23,12 @@ namespace odb
     typedef T wrapped_type;
     typedef ::boost::shared_ptr<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;
 
@@ -44,13 +50,13 @@ namespace odb
       return *p;
     }
 
-    static wrapped_type&
+    static unrestricted_wrapped_type&
     set_ref (wrapper_type& p)
     {
       if (!p)
-        p.reset (new wrapped_type);
+        p.reset (new unrestricted_wrapped_type);
 
-      return *p;
+      return const_cast<unrestricted_wrapped_type&> (*p);
     }
   };
 }
-- 
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