add boost on mac

macx64/include/boost/poly_collection/function_collection.hpp

@@ -0,0 +1,80 @@
+/* Copyright 2016-2017 Joaquin M Lopez Munoz.
+ * 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/poly_collection for library home page.
+ */
+
+#ifndef BOOST_POLY_COLLECTION_FUNCTION_COLLECTION_HPP
+#define BOOST_POLY_COLLECTION_FUNCTION_COLLECTION_HPP
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/poly_collection/function_collection_fwd.hpp>
+#include <boost/poly_collection/detail/function_model.hpp>
+#include <boost/poly_collection/detail/poly_collection.hpp>
+#include <utility>
+
+namespace boost{
+
+namespace poly_collection{
+
+template<typename Signature,typename Allocator>
+class function_collection:
+ public common_impl::poly_collection<
+   detail::function_model<Signature>,Allocator>
+{
+  using base_type=common_impl::poly_collection<
+    detail::function_model<Signature>,Allocator>;
+
+  base_type&       base()noexcept{return *this;}
+  const base_type& base()const noexcept{return *this;}
+
+public:
+  using base_type::base_type;
+
+  function_collection()=default;
+  function_collection(const function_collection& x)=default;
+  function_collection(function_collection&& x)=default;
+  function_collection& operator=(const function_collection& x)=default;
+  function_collection& operator=(function_collection&& x)=default;
+
+  template<typename S,typename A> 
+  friend bool operator==(
+    const function_collection<S,A>&,const function_collection<S,A>&);
+};
+
+template<typename Signature,typename Allocator>
+bool operator==(
+  const function_collection<Signature,Allocator>& x,
+  const function_collection<Signature,Allocator>& y)
+{
+  return x.base()==y.base();
+}
+
+template<typename Signature,typename Allocator>
+bool operator!=(
+  const function_collection<Signature,Allocator>& x,
+  const function_collection<Signature,Allocator>& y)
+{
+ return !(x==y);
+}
+
+template<typename Signature,typename Allocator>
+void swap(
+  function_collection<Signature,Allocator>& x,
+  function_collection<Signature,Allocator>& y)
+{
+  x.swap(y);
+}
+
+} /* namespace  */
+
+using poly_collection::function_collection;
+
+} /* namespace boost */
+
+#endif