DRY

llarp/config/config.cpp

@@ -228,22 +228,20 @@ namespace llarp
   DnsConfig::defineConfigOptions(ConfigDefinition& conf, const ConfigGenParameters& params)
   {
     (void)params;
-
+    static auto parseDNSAddr = [](auto arg) {
+      IpAddress addr{arg};
+      const auto maybePort = addr.getPort();
+      if (not maybePort.has_value())
+        addr.setPort(53);
+      return addr;
+    };
     conf.defineOption<std::string>(
         "dns", "upstream", false, true, std::nullopt, [=](std::string arg) {
-          IpAddress addr{arg};
-          const auto maybePort = addr.getPort();
-          if (not maybePort.has_value())
-            addr.setPort(53);
-          m_upstreamDNS.push_back(std::move(addr));
+          m_upstreamDNS.push_back(parseDNSAddr(std::move(arg)));
         });
 
     conf.defineOption<std::string>("dns", "bind", false, std::nullopt, [=](std::string arg) {
-      IpAddress addr{arg};
-      const auto maybePort = addr.getPort();
-      if (not maybePort.has_value())
-        addr.setPort(53);
-      m_bind = std::move(addr);
+      m_bind = parseDNSAddr(std::move(arg));
     });
   }