From 7212b3406a0a57d45b162c650a632e8797a13912 Mon Sep 17 00:00:00 2001
From: "Frederick F. Kautz IV" <fkautz@alumni.cmu.edu>
Date: Wed, 8 Apr 2015 19:44:44 -0700
Subject: [PATCH] Adding comments to iodine

---
 pkg/iodine/iodine.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkg/iodine/iodine.go b/pkg/iodine/iodine.go
index adc2f9a6b..71e29c894 100644
--- a/pkg/iodine/iodine.go
+++ b/pkg/iodine/iodine.go
@@ -94,6 +94,7 @@ func GetGlobalStateKey(k string) string {
 	return result
 }
 
+// ToError returns the input if it is not an iodine error. It returns the embedded error if it is an iodine error. If nil, returns nil.
 func ToError(err error) error {
 	switch err := err.(type) {
 	case nil: