From: Matt Mongeau <lists@...>
Date: 2013-02-24T02:31:20+09:00
Subject: Re: how to see the class creation time in Ruby?

Sure

irb(main):001:0> class Object
irb(main):002:1> def self.method_added method_name
irb(main):003:2> @last_modified = Time.now
irb(main):004:2> end
irb(main):005:1> def self.last_modified
irb(main):006:2> @last_modified
irb(main):007:2> end
irb(main):008:1> end
=> nil
irb(main):009:0> class Foo
irb(main):010:1> def bar
irb(main):011:2> puts "bar"
irb(main):012:2> end
irb(main):013:1> end
=> nil
irb(main):014:0> Foo.last_modified
=> 2013-02-23 12:30:57 -0500

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