In common.h, define func_lib for function objects. In configure.ac, define HAVE_STD_FUNCTION and HAVE_BOOST_FUNCTION. Include function headers in ndnboost.
diff --git a/libs/functional/hash/examples/template.hpp b/libs/functional/hash/examples/template.hpp
new file mode 100644
index 0000000..1817a9d
--- /dev/null
+++ b/libs/functional/hash/examples/template.hpp
@@ -0,0 +1,36 @@
+
+// Copyright 2012 Daniel James.
+// 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)
+
+// This is an example of how to write a hash function for a template
+// class.
+
+#include <boost/functional/hash_fwd.hpp>
+
+template <typename A, typename B>
+class my_pair
+{
+ A value1;
+ B value2;
+public:
+ my_pair(A const& v1, B const& v2)
+ : value1(v1), value2(v2)
+ {}
+
+ bool operator==(my_pair const& other) const
+ {
+ return value1 == other.value1 &&
+ value2 == other.value2;
+ }
+
+ friend std::size_t hash_value(my_pair const& p)
+ {
+ std::size_t seed = 0;
+ ndnboost::hash_combine(seed, p.value1);
+ ndnboost::hash_combine(seed, p.value2);
+
+ return seed;
+ }
+};
+