1 files changed, 114 insertions, 0 deletions
diff --git a/boost/python/other.hpp b/boost/python/other.hpp
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+++ b/boost/python/other.hpp
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+#ifndef OTHER_DWA20020601_HPP
+# define OTHER_DWA20020601_HPP
+
+# include <boost/python/detail/prefix.hpp>
+// Copyright David Abrahams 2002.
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+# if _MSC_VER+0 >= 1020
+#  pragma once
+# endif
+
+# include <boost/config.hpp>
+
+namespace boost { namespace python {
+
+template<class T> struct other
+{ 
+    typedef T type;
+};
+
+# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+namespace detail
+{
+  template<typename T>
+  class is_other
+  {
+   public:
+      BOOST_STATIC_CONSTANT(bool, value = false); 
+  };
+
+  template<typename T>
+  class is_other<other<T> >
+  {
+   public:
+      BOOST_STATIC_CONSTANT(bool, value = true);
+  };
+
+  template<typename T>
+  class unwrap_other
+  {
+   public:
+      typedef T type;
+  };
+
+  template<typename T>
+  class unwrap_other<other<T> >
+  {
+   public:
+      typedef T type;
+  };
+}
+# else // no partial specialization
+
+}} // namespace boost::python
+
+#include <boost/type.hpp>
+
+namespace boost { namespace python {
+
+namespace detail
+{
+  typedef char (&yes_other_t)[1];
+  typedef char (&no_other_t)[2];
+      
+  no_other_t is_other_test(...);
+
+  template<typename T>
+  yes_other_t is_other_test(type< other<T> >);
+
+  template<bool wrapped>
+  struct other_unwrapper
+  {
+      template <class T>
+      struct apply
+      {
+          typedef T type;
+      };
+  };
+
+  template<>
+  struct other_unwrapper<true>
+  {
+      template <class T>
+      struct apply
+      {
+          typedef typename T::type type;
+      };
+  };
+
+  template<typename T>
+  class is_other
+  {
+   public:
+      BOOST_STATIC_CONSTANT(
+          bool, value = (
+              sizeof(detail::is_other_test(type<T>()))
+              == sizeof(detail::yes_other_t)));
+  };
+
+  template <typename T>
+  class unwrap_other
+      : public detail::other_unwrapper<
+      is_other<T>::value
+  >::template apply<T>
+  {};
+}
+
+# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+}} // namespace boost::python
+
+#endif // #ifndef OTHER_DWA20020601_HPP