From c0450c578ded9b5f8f55c0c6e731efd2911a6c7a Mon Sep 17 00:00:00 2001
From: gorhill <rhill@raymondhill.net>
Date: Sun, 26 Oct 2014 19:28:03 -0400
Subject: [PATCH] todo

---
 src/js/matrix.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/js/matrix.js b/src/js/matrix.js
index a6347df..cbf53cb 100644
--- a/src/js/matrix.js
+++ b/src/js/matrix.js
@@ -486,6 +486,9 @@ Matrix.prototype.evaluateSwitchZ = function(srcHostname) {
 
 /******************************************************************************/
 
+// TODO: In all likelyhood, will have to optmize here, i.e. keeping an
+// up-to-date collection of src hostnames with reference count etc.
+
 Matrix.prototype.extractAllSourceHostnames = function() {
     var srcHostnames = {};
     var rules = this.rules;