Added boost header

test/external/boost/intrusive/detail/ebo_functor_holder.hpp

@@ -0,0 +1,95 @@
+/////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Joaquin M Lopez Munoz  2006-2009
+//
+// 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/intrusive for documentation.
+//
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
+#define BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
+
+#include <boost/intrusive/detail/config_begin.hpp>
+#include <boost/intrusive/detail/mpl.hpp>
+
+namespace boost {
+namespace intrusive {
+namespace detail {
+
+template<typename T, bool IsEmpty = true>
+class ebo_functor_holder_impl
+{
+   public:
+   ebo_functor_holder_impl()
+   {}
+   ebo_functor_holder_impl(const T& t)
+      :  t_(t)
+   {}
+   template<class Arg1, class Arg2>
+   ebo_functor_holder_impl(const Arg1& arg1, const Arg2& arg2)
+      :  t_(arg1, arg2)
+   {}
+
+   T&       get(){return t_;}
+   const T& get()const{return t_;}
+
+   private:
+   T t_;
+};
+
+template<typename T>
+class ebo_functor_holder_impl<T, false>
+   :  public T
+{
+   public:
+   ebo_functor_holder_impl()
+   {}
+   ebo_functor_holder_impl(const T& t)
+      :  T(t)
+   {}
+   template<class Arg1, class Arg2>
+   ebo_functor_holder_impl(const Arg1& arg1, const Arg2& arg2)
+      :  T(arg1, arg2)
+   {}
+
+   T&       get(){return *this;}
+   const T& get()const{return *this;}
+};
+
+template<typename T>
+class ebo_functor_holder
+   :  public ebo_functor_holder_impl<T, is_unary_or_binary_function<T>::value>
+{
+   private:
+   typedef ebo_functor_holder_impl<T, is_unary_or_binary_function<T>::value> super;
+
+   public:
+   ebo_functor_holder(){}
+   ebo_functor_holder(const T& t)
+      :  super(t)
+   {}
+
+   template<class Arg1, class Arg2>
+   ebo_functor_holder(const Arg1& arg1, const Arg2& arg2)
+      :  super(arg1, arg2)
+   {}
+
+   ebo_functor_holder& operator=(const ebo_functor_holder& x)
+   {
+      this->get()=x.get();
+      return *this;
+   }
+};
+
+
+}  //namespace detail {
+}  //namespace intrusive {
+}  //namespace boost {
+
+#include <boost/intrusive/detail/config_end.hpp>
+
+#endif   //#ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP