From 6f70eeec9401f385c8122445eedb53602a002830 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 25 Mar 2011 16:50:19 +0200
Subject: Add support for forward-declaring shared_base-based types

The forward declaration must specialize the counter_type template
to explicitly specify shared_base as the counter type.
---
 odb/details/shared-ptr/counter-type.hxx | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 odb/details/shared-ptr/counter-type.hxx

(limited to 'odb/details/shared-ptr/counter-type.hxx')

diff --git a/odb/details/shared-ptr/counter-type.hxx b/odb/details/shared-ptr/counter-type.hxx
new file mode 100644
index 0000000..f208a4f
--- /dev/null
+++ b/odb/details/shared-ptr/counter-type.hxx
@@ -0,0 +1,25 @@
+// file      : odb/details/shared-ptr/counter-type.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_DETAILS_SHARED_PTR_COUNTER_TYPE_HXX
+#define ODB_DETAILS_SHARED_PTR_COUNTER_TYPE_HXX
+
+#include <odb/pre.hxx>
+
+namespace odb
+{
+  namespace details
+  {
+    template <typename X>
+    struct counter_type
+    {
+      typedef X counter;
+    };
+  }
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_DETAILS_SHARED_PTR_COUNTER_TYPE_HXX
-- 
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