Imported Upstream version 3.3.0.2upstream/3.3.0.2

1 files changed, 33 insertions, 0 deletions

diff --git a/libcult/cult/meta/class-p.hxx b/libcult/cult/meta/class-p.hxx
new file mode 100644
index 0000000..6ac056d
--- /dev/null
+++ b/libcult/cult/meta/class-p.hxx
@@ -0,0 +1,33 @@
+// file      : cult/meta/class-p.hxx
+// author    : Boris Kolpackov <boris@kolpackov.net>
+// copyright : Copyright (c) 2005-2010 Boris Kolpackov
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#ifndef CULT_META_CLASS_HXX
+#define CULT_META_CLASS_HXX
+
+#include <cult/types/fundamental.hxx>
+
+#include <cult/meta/answer.hxx>
+
+namespace Cult
+{
+  namespace Meta
+  {
+    template <typename X>
+    class class_p
+    {
+      //@@ g++ bug 14881
+    public:
+      template <typename Y> static No test (...);
+      template <typename Y> static Yes test (Void* Y::*);
+
+    public:
+      //@@ Qualification bug fixed for g++ 3.4.0.
+      static Boolean const r =
+        sizeof (class_p<X>::template test<X> (0)) == sizeof (Yes);
+    };
+  }
+}
+
+#endif  // CULT_META_CLASS_HXX