From de4e4c01415692ecd51c66f32486aa57e3140b74 Mon Sep 17 00:00:00 2001
From: Pradyumna Kaushik <pkaushi1@binghamton.edu>
Date: Tue, 21 Feb 2017 22:27:08 -0500
Subject: [PATCH] removed unnecessary function.

---
 utilities/utils.go | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/utilities/utils.go b/utilities/utils.go
index 18b2400..1d0dfd1 100644
--- a/utilities/utils.go
+++ b/utilities/utils.go
@@ -32,16 +32,3 @@ func (plist PairList) Len() int {
 func (plist PairList) Less(i, j int) bool {
 	return plist[i].Value < plist[j].Value
 }
-
-// convert a PairList to a map[string]float64
-func OrderedKeys(plist PairList) ([]string, error) {
-	// Validation
-	if plist == nil {
-		return nil, errors.New("Invalid argument: plist")
-	}
-	orderedKeys := make([]string, len(plist))
-	for _, pair := range plist {
-		orderedKeys = append(orderedKeys, pair.Key)
-	}
-	return orderedKeys, nil
-}