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-rw-r--r--ext/psych/lib/psych/core_ext.rb2
1 files changed, 2 insertions, 0 deletions
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