Update boost to version 1.58

[lyx.git] / boost / boost / utility / enable_if.hpp

diff --git a/boost/boost/utility/enable_if.hpp b/boost/boost/utility/enable_if.hpp
index d292c6a7b00b273ccc2e8a7cb051586367fee2dd..803bfca5e25cd130dfa055b21793a49ddbe2ad03 100644 (file)
--- a/boost/boost/utility/enable_if.hpp
+++ b/boost/boost/utility/enable_if.hpp
@@ -1,119 +1,17 @@
-// Boost enable_if library
-
-// Copyright 2003 (c) The Trustees of Indiana University.
-
-// Use, modification, and distribution is subject to 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)
-
-//    Authors: Jaakko Jarvi (jajarvi at osl.iu.edu)
-//             Jeremiah Willcock (jewillco at osl.iu.edu)
-//             Andrew Lumsdaine (lums at osl.iu.edu)
-
+/*
+ * Copyright (c) 2014 Glen Fernandes
+ *
+ * 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)
+ */
 
 #ifndef BOOST_UTILITY_ENABLE_IF_HPP
 #define BOOST_UTILITY_ENABLE_IF_HPP
 
-#include "boost/config.hpp"
-
-// Even the definition of enable_if causes problems on some compilers,
-// so it's macroed out for all compilers that do not support SFINAE
-
-#ifndef BOOST_NO_SFINAE
-
-namespace boost
-{
- 
-  template <bool B, class T = void>
-  struct enable_if_c {
-    typedef T type;
-  };
-
-  template <class T>
-  struct enable_if_c<false, T> {};
-
-  template <class Cond, class T = void> 
-  struct enable_if : public enable_if_c<Cond::value, T> {};
-
-  template <bool B, class T>
-  struct lazy_enable_if_c {
-    typedef typename T::type type;
-  };
-
-  template <class T>
-  struct lazy_enable_if_c<false, T> {};
-
-  template <class Cond, class T> 
-  struct lazy_enable_if : public lazy_enable_if_c<Cond::value, T> {};
-
-
-  template <bool B, class T = void>
-  struct disable_if_c {
-    typedef T type;
-  };
-
-  template <class T>
-  struct disable_if_c<true, T> {};
-
-  template <class Cond, class T = void> 
-  struct disable_if : public disable_if_c<Cond::value, T> {};
-
-  template <bool B, class T>
-  struct lazy_disable_if_c {
-    typedef typename T::type type;
-  };
-
-  template <class T>
-  struct lazy_disable_if_c<true, T> {};
-
-  template <class Cond, class T> 
-  struct lazy_disable_if : public lazy_disable_if_c<Cond::value, T> {};
-
-} // namespace boost
-
-#else
-
-namespace boost {
-
-  namespace detail { typedef void enable_if_default_T; }
-
-  template <typename T>
-  struct enable_if_does_not_work_on_this_compiler;
-
-  template <bool B, class T = detail::enable_if_default_T>
-  struct enable_if_c : enable_if_does_not_work_on_this_compiler<T>
-  { };
-
-  template <bool B, class T = detail::enable_if_default_T> 
-  struct disable_if_c : enable_if_does_not_work_on_this_compiler<T>
-  { };
-
-  template <bool B, class T = detail::enable_if_default_T> 
-  struct lazy_enable_if_c : enable_if_does_not_work_on_this_compiler<T>
-  { };
-
-  template <bool B, class T = detail::enable_if_default_T> 
-  struct lazy_disable_if_c : enable_if_does_not_work_on_this_compiler<T>
-  { };
-
-  template <class Cond, class T = detail::enable_if_default_T> 
-  struct enable_if : enable_if_does_not_work_on_this_compiler<T>
-  { };
-
-  template <class Cond, class T = detail::enable_if_default_T> 
-  struct disable_if : enable_if_does_not_work_on_this_compiler<T>
-  { };
-
-  template <class Cond, class T = detail::enable_if_default_T> 
-  struct lazy_enable_if : enable_if_does_not_work_on_this_compiler<T>
-  { };
-
-  template <class Cond, class T = detail::enable_if_default_T> 
-  struct lazy_disable_if : enable_if_does_not_work_on_this_compiler<T>
-  { };
-
-} // namespace boost
+// The header file at this path is deprecated;
+// use boost/core/enable_if.hpp instead.
 
-#endif // BOOST_NO_SFINAE
+#include <boost/core/enable_if.hpp>
 
 #endif