build: switch to C++17
Change-Id: Ie68020a04b7e20b74778b6d0370544ded55c5e26
diff --git a/daemon/rib/readvertise/readvertise.cpp b/daemon/rib/readvertise/readvertise.cpp
index 2f16795..addad72 100644
--- a/daemon/rib/readvertise/readvertise.cpp
+++ b/daemon/rib/readvertise/readvertise.cpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2014-2019, Regents of the University of California,
+ * Copyright (c) 2014-2022, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
@@ -67,7 +67,7 @@
void
Readvertise::afterAddRoute(const RibRouteRef& ribRoute)
{
- optional<ReadvertiseAction> action = m_policy->handleNewRoute(ribRoute);
+ std::optional<ReadvertiseAction> action = m_policy->handleNewRoute(ribRoute);
if (!action) {
NFD_LOG_DEBUG("add-route " << ribRoute.entry->getName() << '(' << ribRoute.route->faceId <<
',' << ribRoute.route->origin << ") not-readvertising");