From 0830c5734658aeabbd1ef131b55ae3de99110c68 Mon Sep 17 00:00:00 2001
From: Chedli Bourguiba <chedli.bourguiba@edu.esiee.fr>
Date: Sun, 9 Jun 2024 00:44:09 +0200
Subject: [PATCH] Fix frozen string literal issue

---
 lib/spring/json.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/spring/json.rb b/lib/spring/json.rb
index d4d71b6e..58a8206c 100644
--- a/lib/spring/json.rb
+++ b/lib/spring/json.rb
@@ -364,7 +364,8 @@ def unquote(q)
             end
           end
           if rubydoesenc?
-            a[w] = '' << uchar
+            a[w] = '' 
+            a[w] += uchar
             w += 1
           else
             w += ucharenc(a, w, uchar)