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require "yaml" class Hello attr_reader :monkey def hoho @monkey = "bob" end end a = Hello.new a.hoho puts a.to_yaml.inspect b = Hello.new puts b.to_yaml.inspect aa = "--- !ruby/object:Hello nmonkey: bobn" bb = "--- !ruby/object:Hello {}nn" aaa = YAML::load(aa) bbb = YAML::load(bb) puts aaa.inspect puts bbb.inspect puts aaa.monkey puts bbb.monkey
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