util: specialize std::hash<> for ethernet::Address
Change-Id: Id1263b8716d242f36e563b9aebbd2bb695fd4e5b
diff --git a/src/util/ethernet.hpp b/src/util/ethernet.hpp
index ac7cb94..ef227d4 100644
--- a/src/util/ethernet.hpp
+++ b/src/util/ethernet.hpp
@@ -30,6 +30,7 @@
#include <array>
#include <cstdint>
+#include <functional>
#include <string>
namespace ndn {
@@ -111,4 +112,17 @@
} // namespace util
} // namespace ndn
+
+namespace std {
+
+// specialize std::hash<> for ethernet::Address
+template<>
+struct hash<ndn::util::ethernet::Address>
+{
+ size_t
+ operator()(const ndn::util::ethernet::Address& a) const noexcept;
+};
+
+} // namespace std
+
#endif // NDN_UTIL_ETHERNET_HPP