From 64de61ac4e7397a867633235b3a5c811efb68a8f Mon Sep 17 00:00:00 2001
From: Pradyumna Kaushik <pkaushi1@binghamton.edu>
Date: Wed, 22 Feb 2017 20:07:48 -0500
Subject: [PATCH] added function to initial list of Pairs from a
 map[string]float64. Removed unnecessary import.

---
 utilities/utils.go | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/utilities/utils.go b/utilities/utils.go
index 1d0dfd1..a8ca307 100644
--- a/utilities/utils.go
+++ b/utilities/utils.go
@@ -1,9 +1,5 @@
 package utilities
 
-import (
-	"errors"
-)
-
 /*
 The Pair and PairList have been taken from google groups forum,
 https://groups.google.com/forum/#!topic/golang-nuts/FT7cjmcL7gw
@@ -18,6 +14,15 @@ type Pair struct {
 // A slice of pairs that implements the sort.Interface to sort by value.
 type PairList []Pair
 
+// Convert map[string]float64 to PairList
+func GetPairList(m map[string]float64) PairList {
+	pl := PairList{}
+	for k, v := range m {
+		pl = append(pl, Pair{Key: k, Value: v})
+	}
+	return pl
+}
+
 // Swap pairs in the PairList
 func (plist PairList) Swap(i, j int) {
 	plist[i], plist[j] = plist[j], plist[i]