core: drop std::function and ndn::Exclude from common.hpp, add ndn::optional
Change-Id: Ie3983d8b6f9929430efd8ada8d942e3f95755cd4
diff --git a/rib/readvertise/readvertise-policy.hpp b/rib/readvertise/readvertise-policy.hpp
index dce10b1..0f63745 100644
--- a/rib/readvertise/readvertise-policy.hpp
+++ b/rib/readvertise/readvertise-policy.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2014-2017, Regents of the University of California,
+ * Copyright (c) 2014-2018, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
@@ -50,7 +50,7 @@
/** \brief decide whether to readvertise a route, and what prefix to readvertise
*/
- virtual ndn::optional<ReadvertiseAction>
+ virtual optional<ReadvertiseAction>
handleNewRoute(const RibRouteRef& ribRoute) const = 0;
/** \return how often readvertisements made by this policy should be refreshed.