ostruct.rb: respond_to?
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53366 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ostruct.rb: respond_to?
just-allocated objects for workaround of Psych.
[ruby-core:72501] [Bug #11884]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53366 b2dd03c8-39d4-4d8f-98ff-823fe69b080e