From 56ccad060d1c215280f12444f726d54d2ca6636d Mon Sep 17 00:00:00 2001
From: Toshimaru <me@toshimaru.net>
Date: Tue, 28 Nov 2023 09:44:05 +0900
Subject: [PATCH] [ruby/rdoc] Early return when `token_stream` is `nil`

https://github.com/ruby/rdoc/commit/04f75d8516

Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
---
 lib/rdoc/token_stream.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rdoc/token_stream.rb b/lib/rdoc/token_stream.rb
index ea8d9417cc..19ca7ed248 100644
--- a/lib/rdoc/token_stream.rb
+++ b/lib/rdoc/token_stream.rb
@@ -112,7 +112,7 @@ module RDoc::TokenStream
   # Returns a string representation of the token stream
 
   def tokens_to_s
-    Array(token_stream).compact.map { |token| token[:text] }.join ''
+    (token_stream or return '').compact.map { |token| token[:text] }.join ''
   end
 
 end