From fc51781402d35f182772d810f15705899d366f03 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Thu, 27 Mar 2014 14:34:21 +0900
Subject: Enumerable#cycle to return enumerator

---
 mrbgems/mruby-enum-ext/mrblib/enum.rb | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'mrbgems/mruby-enum-ext/mrblib')

diff --git a/mrbgems/mruby-enum-ext/mrblib/enum.rb b/mrbgems/mruby-enum-ext/mrblib/enum.rb
index d6959e26f..2affe555f 100644
--- a/mrbgems/mruby-enum-ext/mrblib/enum.rb
+++ b/mrbgems/mruby-enum-ext/mrblib/enum.rb
@@ -552,6 +552,8 @@ module Enumerable
   #
 
   def cycle(n=nil, &block)
+    return to_enum :cycle if !block_given? && n == nil
+
     ary = []
     if n == nil
       self.each do|*val|
-- 
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