From 62ffffbe25a7a61a825f5b04399b9250f1af5ec0 Mon Sep 17 00:00:00 2001
From: tenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 5 Mar 2012 17:32:53 +0000
Subject: * ext/psych/lib/psych/core_ext.rb: only extend Kernel if IRB is
 loaded   in order to stop method pollution.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34914 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/psych/lib/psych/core_ext.rb | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'ext/psych/lib/psych/core_ext.rb')

diff --git a/ext/psych/lib/psych/core_ext.rb b/ext/psych/lib/psych/core_ext.rb
index 2ad75e1661..4a04c2d128 100644
--- a/ext/psych/lib/psych/core_ext.rb
+++ b/ext/psych/lib/psych/core_ext.rb
@@ -30,6 +30,7 @@ class Module
   alias :yaml_as :psych_yaml_as
 end
 
+if defined?(::IRB)
 module Kernel
   def psych_y *objects
     puts Psych.dump_stream(*objects)
@@ -38,3 +39,4 @@ module Kernel
   alias y psych_y
   private :y
 end
+end
-- 
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