From 06c8d4c68650bbc1fc158d90a44c4c17644c7889 Mon Sep 17 00:00:00 2001
From: Paul Buetow <pbuetow@mimecast.com>
Date: Sat, 8 Aug 2020 14:06:12 +0100
Subject: wrapup

---
 sort/shell.go | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'sort/shell.go')

diff --git a/sort/shell.go b/sort/shell.go
index 4132ca6..4a8fded 100644
--- a/sort/shell.go
+++ b/sort/shell.go
@@ -17,12 +17,10 @@ func Shell(a ds.ArrayList) ds.ArrayList {
 	for h >= 1 {
 		for i := h; i < length; i++ {
 			for j := i; j >= h; j -= h {
-				if a[j-h].Lower(a[j]) {
+				if a[j-h] < a[j] {
 					break
 				}
-				tmp := a[j]
-				a[j] = a[j-h]
-				a[j-h] = tmp
+				a.Swap(j, j-h)
 			}
 		}
 
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