From 8286ac511144e4f17d34eac9affb97e50646344a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Wed, 23 Jul 2014 15:25:44 +0200
Subject: Imported Upstream version 4.0.0

---
 libcutl/cutl/details/boost/ref.hpp | 189 +++++++++++++++++++++++++++++++++++++
 1 file changed, 189 insertions(+)
 create mode 100644 libcutl/cutl/details/boost/ref.hpp

(limited to 'libcutl/cutl/details/boost/ref.hpp')

diff --git a/libcutl/cutl/details/boost/ref.hpp b/libcutl/cutl/details/boost/ref.hpp
new file mode 100644
index 0000000..5a377c7
--- /dev/null
+++ b/libcutl/cutl/details/boost/ref.hpp
@@ -0,0 +1,189 @@
+#ifndef BOOST_REF_HPP_INCLUDED
+#define BOOST_REF_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <cutl/details/boost/config.hpp>
+#include <cutl/details/boost/utility/addressof.hpp>
+#include <cutl/details/boost/mpl/bool.hpp>
+#include <cutl/details/boost/detail/workaround.hpp>
+
+//
+//  ref.hpp - ref/cref, useful helper functions
+//
+//  Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
+//  Copyright (C) 2001, 2002 Peter Dimov
+//  Copyright (C) 2002 David Abrahams
+//
+// 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)
+//
+//  See http://www.boost.org/libs/bind/ref.html for documentation.
+//
+
+namespace cutl_details_boost
+{
+
+template<class T> class reference_wrapper
+{ 
+public:
+    typedef T type;
+
+#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, < 1300 )
+
+    explicit reference_wrapper(T& t): t_(&t) {}
+
+#else
+
+    explicit reference_wrapper(T& t): t_(cutl_details_boost::addressof(t)) {}
+
+#endif
+
+    operator T& () const { return *t_; }
+
+    T& get() const { return *t_; }
+
+    T* get_pointer() const { return t_; }
+
+private:
+
+    T* t_;
+};
+
+# if defined( __BORLANDC__ ) && BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT(0x581) )
+#  define BOOST_REF_CONST
+# else
+#  define BOOST_REF_CONST const
+# endif
+
+template<class T> inline reference_wrapper<T> BOOST_REF_CONST ref(T & t)
+{ 
+    return reference_wrapper<T>(t);
+}
+
+template<class T> inline reference_wrapper<T const> BOOST_REF_CONST cref(T const & t)
+{
+    return reference_wrapper<T const>(t);
+}
+
+# undef BOOST_REF_CONST
+
+# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+template<typename T>
+class is_reference_wrapper
+    : public mpl::false_
+{
+};
+
+template<typename T>
+class unwrap_reference
+{
+ public:
+    typedef T type;
+};
+
+#  define AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF(X) \
+template<typename T> \
+class is_reference_wrapper< X > \
+    : public mpl::true_ \
+{ \
+}; \
+\
+template<typename T> \
+class unwrap_reference< X > \
+{ \
+ public: \
+    typedef T type; \
+}; \
+/**/
+
+AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF(reference_wrapper<T>)
+#if !defined(BOOST_NO_CV_SPECIALIZATIONS)
+AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF(reference_wrapper<T> const)
+AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF(reference_wrapper<T> volatile)
+AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF(reference_wrapper<T> const volatile)
+#endif
+
+#  undef AUX_REFERENCE_WRAPPER_METAFUNCTIONS_DEF
+
+# else // no partial specialization
+
+} // namespace cutl_details_boost
+
+#include <cutl/details/boost/type.hpp>
+
+namespace cutl_details_boost
+{
+
+namespace detail
+{
+  typedef char (&yes_reference_wrapper_t)[1];
+  typedef char (&no_reference_wrapper_t)[2];
+      
+  no_reference_wrapper_t is_reference_wrapper_test(...);
+
+  template<typename T>
+  yes_reference_wrapper_t is_reference_wrapper_test(type< reference_wrapper<T> >);
+
+  template<bool wrapped>
+  struct reference_unwrapper
+  {
+      template <class T>
+      struct apply
+      {
+          typedef T type;
+      };
+  };
+
+  template<>
+  struct reference_unwrapper<true>
+  {
+      template <class T>
+      struct apply
+      {
+          typedef typename T::type type;
+      };
+  };
+}
+
+template<typename T>
+class is_reference_wrapper
+{
+ public:
+    BOOST_STATIC_CONSTANT(
+        bool, value = (
+             sizeof(detail::is_reference_wrapper_test(type<T>()))
+            == sizeof(detail::yes_reference_wrapper_t)));
+    
+    typedef ::cutl_details_boost::mpl::bool_<value> type;
+};
+
+template <typename T>
+class unwrap_reference
+    : public detail::reference_unwrapper<
+        is_reference_wrapper<T>::value
+      >::template apply<T>
+{};
+
+# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+template <class T> inline typename unwrap_reference<T>::type&
+unwrap_ref(T& t)
+{
+    return t;
+}
+
+template<class T> inline T* get_pointer( reference_wrapper<T> const & r )
+{
+    return r.get_pointer();
+}
+
+} // namespace cutl_details_boost
+
+#endif // #ifndef BOOST_REF_HPP_INCLUDED
-- 
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