From 33d5c19549aa60568dbc6c9faf6f426f7193fbd1 Mon Sep 17 00:00:00 2001
From: Kerin Millar <kfm@plushkava.net>
Date: Thu, 27 Jun 2024 14:26:27 +0100
Subject: Don't explicitly assign the empty string in is_subset()

While it is correct to do so, the key may be created without assignment.

Signed-off-by: Kerin Millar <kfm@plushkava.net>
---
 functions.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/functions.sh b/functions.sh
index afc170a..faf9d64 100644
--- a/functions.sh
+++ b/functions.sh
@@ -235,7 +235,7 @@ is_subset()
 				if (word == ENVIRON["SENTINEL"]) {
 					break
 				} else {
-					set1[word] = ""
+					set1[word]
 				}
 			}
 			if (i == 1 || argc - i < 2) {
@@ -243,7 +243,7 @@ is_subset()
 			}
 			for (i++; i < argc; i++) {
 				word = ARGV[i]
-				set2[word] = ""
+				set2[word]
 			}
 			for (word in set2) {
 				delete set1[word]
-- 
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