From c6edf8421f876d11da5677fb666257edebf896e2 Mon Sep 17 00:00:00 2001
From: David Wragg <david@wragg.org>
Date: Mon, 27 Jul 2015 16:33:21 +0100
Subject: [PATCH] Handle the not-found case implicitly in Broadcast and
 BroadcastAll

---
 router/routes.go | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/router/routes.go b/router/routes.go
index b463b658..50705635 100644
--- a/router/routes.go
+++ b/router/routes.go
@@ -65,21 +65,13 @@ func (routes *Routes) UnicastAll(name PeerName) (PeerName, bool) {
 func (routes *Routes) Broadcast(name PeerName) []PeerName {
 	routes.RLock()
 	defer routes.RUnlock()
-	hops, found := routes.broadcast[name]
-	if !found {
-		return []PeerName{}
-	}
-	return hops
+	return routes.broadcast[name]
 }
 
 func (routes *Routes) BroadcastAll(name PeerName) []PeerName {
 	routes.RLock()
 	defer routes.RUnlock()
-	hops, found := routes.broadcastAll[name]
-	if !found {
-		return []PeerName{}
-	}
-	return hops
+	return routes.broadcastAll[name]
 }
 
 // Choose min(log2(n_peers), n_neighbouring_peers) neighbours, with a