add boost on mac

macx64/include/boost/property_map/function_property_map.hpp

@@ -0,0 +1,66 @@
+//
+//=======================================================================
+// Author: Philipp Moeller
+//
+// Copyright 2012, Philipp Moeller
+//
+// 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_PROPERTY_MAP_FUNCTION_PROPERTY_MAP_HPP
+#define BOOST_PROPERTY_MAP_FUNCTION_PROPERTY_MAP_HPP
+
+#include <boost/config.hpp>
+#include <boost/property_map/property_map.hpp>
+#include <boost/type_traits.hpp>
+#include <boost/utility/result_of.hpp>
+#include <boost/mpl/and.hpp>
+#include <boost/mpl/not.hpp>
+#include <utility>
+
+namespace boost {
+
+template<typename Func, typename Key, typename Ret = typename boost::result_of<const Func(const Key&)>::type>
+class function_property_map: public put_get_helper<Ret, function_property_map<Func, Key, Ret> > {
+  public:
+  typedef Key key_type;
+  typedef Ret reference;
+  typedef typename boost::remove_cv<typename boost::remove_reference<Ret>::type>::type value_type;
+
+  typedef typename boost::mpl::if_<
+                     boost::mpl::and_<
+                       boost::is_reference<Ret>,
+                       boost::mpl::not_<boost::is_const<Ret> >
+                     >,
+                     boost::lvalue_property_map_tag,
+                     boost::readable_property_map_tag>::type
+    category;
+
+  function_property_map(Func f = Func()) : f(f) {}
+
+  reference operator[](const Key& k) const {
+    return f(k);
+  }
+
+  private:
+  Func f;
+};
+
+template<typename Key, typename Func>
+function_property_map<Func, Key>
+make_function_property_map(const Func& f) {
+  return function_property_map<Func, Key>(f);
+}
+
+template<typename Key, typename Ret, typename Func>
+function_property_map<Func, Key, Ret>
+make_function_property_map(const Func& f) {
+  return function_property_map<Func, Key, Ret>(f);
+}
+
+} // boost
+
+#endif /* BOOST_PROPERTY_MAP_FUNCTION_PROPERTY_MAP_HPP */