From 67d4c9359644ef087b9c5b71bd0bb357c0a1030f Mon Sep 17 00:00:00 2001
From: Sutou Kouhei <kou@clear-code.com>
Date: Tue, 24 Dec 2024 16:26:06 +0900
Subject: [PATCH] Suppress "literal string will be frozen" warnings

---
 lib/groonga/client.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/groonga/client.rb b/lib/groonga/client.rb
index 51ffa65..2f83a13 100644
--- a/lib/groonga/client.rb
+++ b/lib/groonga/client.rb
@@ -1,5 +1,5 @@
 # Copyright (C) 2013  Haruka Yoshihara <yoshihara@clear-code.com>
-# Copyright (C) 2013-2017  Kouhei Sutou <kou@clear-code.com>
+# Copyright (C) 2013-2024  Sutou Kouhei <kou@clear-code.com>
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
@@ -153,7 +153,7 @@ def close(&block)
     def load(parameters, &block)
       values = parameters[:values]
       if values.is_a?(Array)
-        json = "["
+        json = +"["
         values.each_with_index do |value, i|
           if i.zero?
             json << "\n"