From: Love U Ruby <lists@...>
Date: 2013-07-23T15:51:18+09:00
Subject: Re: How can we create instance method and class methods at runtime in ruby?

Sorry for creating the confusions:-

Here I tried once more to explain what I was looking for:

class Foo
  def test
    p "hi"
  end
end
foo = Foo.new
foo.test # => "hi"
Foo.define_method(:test){p "hello"}
#  private method `define_method' called for Foo:Class (NoMethodError)

Any method is there to re-define the method `test` without re-opening 
the class in runtime?

Thanks

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