refactor done for native

veilid-core/src/routing_table/node_ref.rs

@@ -49,12 +49,7 @@ impl NodeRef {
     // Returns the best dial info to attempt a connection to this node
     pub fn best_dial_info(&self) -> Option<DialInfo> {
         let nm = self.routing_table.network_manager();
-        let protocol_config = nm.get_protocol_config();
-        if protocol_config.is_none() {
-            return None;
-        }
-        let protocol_config = protocol_config.unwrap();
-
+        let protocol_config = nm.get_protocol_config()?;
         self.operate(|e| {
             e.first_filtered_dial_info(|di| {
                 // Does it match the dial info filter
@@ -99,7 +94,7 @@ impl Clone for NodeRef {
 
 impl fmt::Debug for NodeRef {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let out = format!("{}", self.node_id.encode());
+        let mut out = self.node_id.encode();
         if !self.dial_info_filter.is_empty() {
             out += &format!("{:?}", self.dial_info_filter);
         }