From c40a330ac121abbf211a955fb86701793fef1611 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 24 Oct 2024 15:45:41 +0900
Subject: [PATCH] Use `String#b`

---
 lib/json/pure/generator.rb | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/json/pure/generator.rb b/lib/json/pure/generator.rb
index 517d4e272..1fc9ba091 100644
--- a/lib/json/pure/generator.rb
+++ b/lib/json/pure/generator.rb
@@ -50,8 +50,7 @@ module JSON
   # Convert a UTF8 encoded Ruby string _string_ to a JSON string, encoded with
   # UTF16 big endian characters as \u????, and return it.
   def utf8_to_json(string, script_safe = false) # :nodoc:
-    string = string.dup
-    string.force_encoding(::Encoding::ASCII_8BIT)
+    string = string.b
     if script_safe
       string.gsub!(SCRIPT_SAFE_ESCAPE_PATTERN) { SCRIPT_SAFE_MAP[$&] || $& }
     else
@@ -62,8 +61,7 @@ def utf8_to_json(string, script_safe = false) # :nodoc:
   end
 
   def utf8_to_json_ascii(string, script_safe = false) # :nodoc:
-    string = string.dup
-    string.force_encoding(::Encoding::ASCII_8BIT)
+    string = string.b
     map = script_safe ? SCRIPT_SAFE_MAP : MAP
     string.gsub!(/[\/"\\\x0-\x1f]/n) { map[$&] || $& }
     string.gsub!(/(