From d8fc05fcb9c6161f4c0959e2e2471f597483e0f4 Mon Sep 17 00:00:00 2001
From: ksss <co000ri@gmail.com>
Date: Sun, 23 Mar 2014 20:11:20 +0900
Subject: Hash#{reject,reject!} support return Enumerator

---
 mrblib/hash.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mrblib/hash.rb b/mrblib/hash.rb
index 491d2a0ee..4b74550e7 100644
--- a/mrblib/hash.rb
+++ b/mrblib/hash.rb
@@ -134,6 +134,8 @@ class Hash
 
   # 1.8/1.9 Hash#reject! returns Hash; ISO says nothing.
   def reject!(&b)
+    return to_enum :reject! unless block_given?
+
     keys = []
     self.each_key{|k|
       v = self[k]
@@ -150,6 +152,8 @@ class Hash
 
   # 1.8/1.9 Hash#reject returns Hash; ISO says nothing.
   def reject(&b)
+    return to_enum :reject unless block_given?
+
     h = {}
     self.each_key{|k|
       v = self[k]
-- 
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