From 40f80e8913d41b587e028da4226bd5c261923fc8 Mon Sep 17 00:00:00 2001
From: Miha Vrhovnik <miha.vrhovnik@gmail.com>
Date: Wed, 5 Aug 2020 08:50:08 +0200
Subject: [PATCH] Prevent index out of bunds error

I'm reusing this driver for disque client... and get index out of bounds error because there really are just 2 items in array not 3.
---
 iterator.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/iterator.go b/iterator.go
index f6272d4b..2f8bc2be 100644
--- a/iterator.go
+++ b/iterator.go
@@ -44,9 +44,10 @@ func (it *ScanIterator) Next(ctx context.Context) bool {
 		}
 
 		// Fetch next page.
-		if it.cmd.args[0] == "scan" {
+		switch it.cmd.args[0] {
+		case "scan", "qscan":
 			it.cmd.args[1] = it.cmd.cursor
-		} else {
+		default:
 			it.cmd.args[2] = it.cmd.cursor
 		}